Linear Measurement: Imperial

Transcription

1 3 Name Linear Measurement: Imperial Uses of imperial measurement: Many North American sports use imperial units. For example, the CFL uses a football field that is 0 yards long. An NBA basketball hoop is 0 feet high. Most people know their height in feet and inches. Many lengths for wood needed in construction projects are given in feet and inches. For example, plywood boards are 4 feet by 8 feet.. What are other uses of imperial measurement?. Europe uses the metric system. The United States uses the imperial system. Which system should Canada use? Why? Chapter 3 Linear Measurement: Imperial MHR 67

2 3. Introduetion to hnperial Measure Focus: developing number sense, using imperial measurements, representing fractions. Fill each container to the amount shown. a) EJ b ) u. What fraction of each diagram is shaded? a) c) 4 u J. 4 b ) 3. Count by s. 4. Draw the coin or coins that represent a) one quarter of a dollar b ) one half of a dollar c) three quarters of a dollar 5. What pairs of numbers multiply to give 6? a) X 6.? 6. H ow many 4 s are n. (Hint: Think money!) b ) X 6 c) X 6 7. a) What is half of a half? s. b ) What is half of that? A $ 4 T-shirt is on sale for.! off. The sale price is 68 MHR Chapter 3 Linear Measurement: Imperial

3 Units of Imperial Measure The basic units of linear measure in the imperial system are the inch, the foot, the yard, and the mile. An imperial ruler is one foot long. There are... inches in foot. There are 3 feet in yard. So, there must be x 3 inches in yard. There are 760 yards in a mile. (You rarely would need to know this!!) How many feet would be in one mile? Write the four basic units of imperial measure in order from smallest to largest. It is important to become familiar with the common abbreviations for imperial units. What is meant by an abbreviation? You will need to know these: Yard Mile ftor' yd mi Most imperial rulers and measuring tapes divide an inch into 6 parts. In this course, you will focus on halves and quarters Introduction to Imperial Measure MHR 69

4 . Write the fraction of an inch shown by each arrow. a) I I I 0 "" b) I I I I II I I i "" 0 I I I d) I I I I II I I I I o. Choose the words from the box to write the first 3 fractions from # in order from smallest to largest. 3. The lines on a ruler that divide an inch into equal parts are different lengths. a) Why are the lengths of these division lines different? b) What is the pattern? 70 MHR Chapter 3 Linear Measurement: Imperial

5 , _ Name The diagram below shows a quarter-inch grid. Each grid square is one quarter inch wide and one quarter inch high. This size of grid often is used to make scale diagrams with imperial measurements. A quarter-inch grid means that there are squares in one inch. 4. Using a straight edge, but not a ruler, draw line segments of the following lengths on the grid. Write the measurement beside each line. The first line is drawn for you. a) b) c) 3 Why is the grid called a quarter-inch grid? d) e) _! f) _! 4 ; a) li. b) i :...,.... ' J! ; : ' : ; : c) ;. d) e) i f) ! : 5. List the 6 lengths from #4 in increasing order from shortest to longest. Shortest Cheek Your Understandin Explain how you could use a quarter-inch grid to draw a 5-inch line. Longest 3. Introduction to Imperial Measure MHR 7

6 Skills Practice 7: Equivalent Fractions Equivalent fractions the same part of the whole or group.!. and are equivalent 4 represent. fractions fractions. You use equivalent all the time without thinking about it. Look at money. a) is How many cents this amount of money? b) What fraction of a dollar is this? c) Write this fraction two other ways. or in. Look again at the inch. a) Each bracketed length. Write the unknown section is a fraction of an inch in numerator for each fraction. " " 0 " b) Locate and label the 4 division line on the diagram. c).!. Locate and label the.!. division line " d) Locate and label the division line. _ 4 e) How many quarters of an inch there in one full inch?, are 7 MHR Chapter 3 Linear Measurement: Imperial

7 3. Shade in one half of the boxes in each diagram below. Diagram Diagram a) How many boxes did you shade in Diagram? How many boxes are there in total in Diagram? The fraction of shaded boxes total boxes b) How many boxes did you shade in Diag ra m? How many boxes are there in total in Diagram? shaded boxes The fraction of total boxes 4. What are 3 ways of writing the fraction "one half"? a) b) c) 5. Shade in one out of every four boxes below. How many boxes did you shade in? How many boxes are there in total? shaded boxes The fraction of -- total boxes 6. What are ways of writing the fraction "one quarter"? a) b) Skills Practice 7: Equivalent Fractions MHR 73

8 3. hnperial Len ths and Referenees Focus: developing number sense, approximating and measuring lengths. a) Shade in each of the. a) Shade in each of the following fractions of a following fractions of a circle. circle. EBEBEBEB EB EB b) Circle the pair of equivalent fractions. b) _! Count by 6s. 4. A six-pack of bottled mineral water costs $7. 0. What is the unit price? 6 Estimating and Measuring Imperial Lengths. Look at a tape measure with imperial units. Find the following relationships. a) How many inches are in one foot? b) How many inches are in half a foot? Look at page 69 for a reminder c) How many inches are in two feet? about imperial units.. Convert each measurement to the unit specified. The first one is done for you a) ft 4 b) 3 ft c) 3 ft d) 6 ft yd e) 6 ft f) _! ft 74 MHR Chapter 3 Linear Measurement: Imperial

9 3. Circle the better measurement. a) The length of this book is about ft b) The diameter of a CD is about 4 c) The length of a car is about 0 ft 0 yd d) The width of a fingernail is about If ' e) The height of a table is about ft 6ft f) The diameter of a skateboard wheel is about. - n State the imperial unit that you might use to measure each of the following items. The first one is done for you. a) a ceiling tile feet b) the length of a pencil c) the length of a football field d) the height of a cat e) a city block f) the height of a fence g) the length of a snowboard h) the length of your hair 3. Imperial Lengths and References MHR 75

10 Name 5. Measure each of the following lines to the nearest 4 Write each length with the correct units at the end of the line. The first one is done for you. a) b) l 4 c) d) e) -- f) g) - h) i) j) 6. Measure the width and the length of this workbook in inches. Width... Length Using a straight edge that is not a ruler, draw lines of approximately the following lengths. a) b) c) 6 d).! ). e 4 n. 8. Measure each line in #7. How close were you? 76 MHR Chapter 3 Linear Measurement: Imperial

11 As you saw in Chapter, estimating common distances is easier if you can approximate distances using your body or your surroundings. 9. Collect some personal references for estimating imperial distances. ft ft 3ft...,...,..,... ) 0. Measure, if possible, the objects listed in the table. Then, complete the table to collect more personal references for estimating imperial distances. The length of a floortile The length of your arm The. length of a ceiling tile A football field Cheek Your Undersfandin How could you use your collection of personal references to estimate the height of your classroom? 3. Imperial Lengths and References MHR 77

12 Skills Practice 8: Adding Imperial Measures Adding Inches Adding feet and inches can be confusing. Example: Add Solution: ft ( ; e are inches in one foot.. Fill in the blanks with the appropriate numbers. a) ft b) ft c) 0 + ft d) + 8 ft e) ft f) ft g) ft h) ft 78 MHR Chapter 3 Linear Measurement: Imperial

13 Adding Fractions (of an Inch) One way to add fractions is to draw them. Example What is 3 +.!? 4 Solution 3" STEP : Draw a 4 line. STEP : Draw a " - line starting at the end of the first line STEP 3: Measure the total length of the line " - 4. Use a ruler to add the following fractions. 3 a) - +- b) c) 33 +! 4 You can also add fractions by relating them to something you already know, such as money. Example What is l +!? 4. Solution STEP : Draw l of a dollar using quarters. 4 STEP : Draw! of a dollar using quarters. STEP 3: Add. Five quarters is 4 q ua rters ($) plus one quarter, or Draw quarters to add the following fractions. a ).! +! b)! c) 3..., + 4 Skills Practice 8: Adding Imperial Measures MHR 79

14 Practice Measures Skills 9: Multiplying Imperial money can help with calculations. Thinking about imperial Multiplying With Fractions (of an Inch) What fraction of a dollar is 3 x? or What fraction of a dollar is x? or What is 3 x $.50? $ What is that as a fraction? So, 3 x 4, and 3 x -. Evaluate. a) x " - " b) 3 X - c) 4 5 x " - 4 Multiplying With Feet and Inches 8 x ft 8 x 3 ft What about 6' 8" x 6' 8" X? (6' X ) + (8" X ' + ' + 6" , ),. Evaluate. a) 4' 9" X ( X ' ) + ( " X ) I + II ' +, II b) 5' 6" X 3 80 MHR Chapter 3 Linear Measurement: Imperial

15 -- -- Name 3.3 Caleulatin Perimeter Usin Imperial Measures Focus: measuring, rounding, calculating perimeter. Evaluate.. Name the fraction of one inch shown by each arrow. a) ft b) 9" + 0" I I I I I \ I I I 0 I " 3. The distance around the outside of a figure is called its 4. Calculate the perimeter of this rectangle. 7cm Scm Perimeter Calculating Perimeter. Measure each line segment. Round each measurement to the nearest half-inch. Write the measurement above the line. The first line is done for you. a) b).! _ c) d) e)a_ f) 3. 3 Calculating Perimeter Using Imperial Measures MHR 8

16 . Label the unknown dimensions. a) s ft 4 ft 6 in. b) '3" 3. Calculate the perimeter of each figure in #. a) Perimeter ft Since b) Perimeter equal ft, the perimeter is X ft. ft ft 4. The following diagram is on a quarter-inch grid. The scale is square to foot. Label the missing dimensions. Then, calculate the perimeter of the figure. Perimeter 8 MHR Chapter 3 Linear Measurement: Imperial

17 5. Measure the length and the width of each item listed in the table. Round each measurement to the nearest inch. Then, calculate the perimeter of each item. Display board Your desktop Sheet of paper Classroom door Teacher 's desk 6. Measure each side of the figure in the diagram to the nearest! Place each measurement on the diagram. Then, calculate the perimeter of the figure. Perimeter Cheek Your Undersfandin A friend says that ' 5" times three equals 6' 5". You answer, "Well, yes that 's right but II 3.3Calculating Perimeter Using Imperial Measures MHR 83

18 3.4: My Ow Room! Focus: calculating perimeter, using scale diagrams. Calculate the HST paid on a purchase of $ Calculate the total cost of the purchase in #. 0/o of $ $ $ $ $ 3. What is the peri meter of the following figure if square represents ft? 4. What would the perimeter of the figure in #3 be if a) square represents ft? b) square represents 5 ft? c) square represents 6 7 Perimeter ft Using a Scale Diagram This diagram represents an overhead view of a basement. The scale of this diagram is square to 3 ft. This means that one side of one square on the diagram represents 3 ft inside the house. 84 MHR Chapter 3 Linear Measurement: Imperial

19 _ Count the number of squares along the long wall squares This means that the actual length of the basement is X ft.. Count the number of squares along the short wall.... squares This means that the actual width of the basement is X ft. 3. Calculate the perimeter of the basement. 4. You want to place a bedroom in one corner of the basement. The bedroom will be 5 ft long and ft wide. That would be squares long and squares wide. 5. Use a pencil to make a scale diagram of only the new bedroom. Use a scale of square to ft....,...., ! :..,.... : i :.... : : :, : : i :.... ' ' :.... :... ' ' : My Own Room! MHR 85

20 After the bedroom is built, it will need to be decorated. Baseboard trim will be placed around the room where the carpet meets the floor. The door to the bedroom will be 30 wide. That is ft A closet doorway will be 4 wide. That is ft 6. Calculate the perimeter of the bedroom. / Try to place doorway to the room and the doorway to the closet on your diagram. ( the 7. Find the length of baseboard trim needed for the room. Perimeter of room Doorway to room Doorway to closet Length of baseboard trim needed Baseboard trim is sold in 8-ft lengths. 8. How many 8-ft baseboards need to be purchased? Length of baseboard trim needed Distance covered with one baseboard Number of 8-ft boards to be purchased Each 8-ft baseboard sells for $ a) Calculate the cost of the baseboards. b) Calculate the HST to be paid on the purchase. If you need help calculating tax, look back at page 5. c) What is the total cost of the purchase including tax? 86 MHR Chapter 3 Linear Measurement: Imperial

21 You have the following bills and coins in your pocket. $0 $0 $ 0 $5 0. a) Circle the bills and/or coins that you would give to the cashier. b) How much money do you give the cashier? c) How much change should you receive? d) Draw or list the combination of bills and/or coins that you might get back in change. Cheek Your Understanding Compare the calculations you completed here with the ones you completed in # to #5 on pages 60 to 6. What are the similarities? What are the differences? 3. 4 My Own Room! MHR 87

22 Chapter 3 Revew Name. Complete the sentences. a) There are inches in one foot. b) Three feet equals one c) Two abbreviations for inches are d) Two abbreviations for feet are and and. Name the fraction of one inch shown by each arrow. 3. State a personal reference for each of these distances. ft 4. Using a straight edge, but not a ruler, draw lines for each of the following lengths. a) b) " c) - d) 3" Now, measure each line to see how close you were! 5. Evaluate. " + " a) 3-3- c) ft b) " " d) 8 x ft 88 MHR Chapter 3 Linear Measurement: Imperial

23 Name 6. Measure each line shown in the diagram. Record each measurement in the table. a) b) c) d) c) d) 7. Determine the total length of the 4 lines shown in the diagram in #6. 8. The diagram has a scale of square to ft. Label the unknown dimensions in the diagram. Then, calculate the perimeter of the figure. Perimeter Chapter 3 Review MHR 89

24 Task: The Master Bedroom Name You once again have been asked to help with the planning and the purchase of wallpaper border for a bedroom. The following diagram of the bedroom is not to scale. Window (5 ') Closet door (' 6") --- ' ' Door (' 6") Your task is to: Calculate the perimeter of this odd-shaped bedroom. Determine the amount of wallpaper needed. Calculate the cost of the wallpaper. "One dimension is Create an accurate scale diagram. unknown. But I know how to determine it.". Describe how you would determine the perimeter of the bedroom.. What is the perimeter of the bedroom? 90 MHR Chapter 3 Linear Measurement: Imperial

25 4eooking. Who is making a measurement mistake?. How do you know? 3. Have you ever made a mistake like this? Have you ever tried to eat something in which someone else made a mistake like this? Tell what happened. Chapter 4 Cooking MHR 9

26 4:. Measurin Tools Focus: metric and imperial units, personal references for capacity. Shade _! of this hundreds grid.. a) How many squares did you shade in #? b) What percent of the grid did you shade? 3. Use the diagram to show _! cup. 4. Use the diagram to show cup. 3 Using Metric and Imperial Measurements What types of measuring tools are often used for cooking? Are the tools you use metric or imperial?. Write the abbreviations in words. Circle the metric ones. tbsp g ml L tsp oz lb pkg. 9 MHR Chapter 4 Cooking

27 . Look through several cookbooks. Write different ingredients and their amounts in the columns of the table below. Some examples are given. cup flour cup milk 50 g butter 3. Do any of the units of measurement you listed above appear in more than one column? Explain why. 4. Obtain a set of measuring cups and spoons from your teacher. Write the units of the cups and spoons in increasing order from smallest to largest in the table. 5. a) Use rice or water to determine the number of. tablespoons n 3 cup. b) How many tablespoons are in cup? How did you determine your answer? 4. Measuring Tools MHR 93

28 Describe what capacity means. Creating Personal References for Capacity The greatest amount that a container can hold is called its capacity. Using personal references can help you estimate capacity and judge the reasonableness of quantities. 6. List the names and capacities of 4 containers of different sizes that you use. Complete the table. These will be your personal references for capacity, along with the one done for you. a) pop can 355 ml d fil b) c) d) e) 7. For each item in the table, write the units you would use to measure the capacity. Then, use one of your personal references to estimate the capacity. a) soup bowl b) a straw c) large frying pan Example How many millilitres are in a L carton of milk? Solution Since L 000 m l, L of milk x ---t ; 000 ml. 000 L ml There are 000 ml in L. is the This same as multiplying by I can find an expression for by dividing sides by the amo that is in the units given. Here, I a given L, so I dh both sides by t 94 MHR Chapter 4 Cooking

29 a) If you have 500 ml of water, how many litres do you have? b) If you have 50 ml of water, how many litres do you have? c) Which of your containers in #6 has a capacity closest to 0. 5 L? There are about 50 ml in cup. 9. a) About how many millilitres are in cups? b) Approximately how many millilitres are in 4 cups? c) Which of your containers in #6, has a capacity closest to 4 cups? d) What size of milk is 4 cups? 50 ml 500 ml L L e) A small milk is 50 ml. How many small milks do you need to fill a L carton? 0. Measure the capacity of a small spoon and a large (soup) spoon using measuring spoons. Use water or rice. a) A large spoon holds b) A small spoon holds. tsp is about 5 ml. If Kayden needs 5 ml of medicine, how many teaspoons should he have? Cheek Your Understandin How could you use your personal references to estimate the capacity of a backpack? 4. Measuring Tools MHR 95

30 Skills Practice 0: Adding and Subtracting Fractions Show! Shade! cup. 3 Shade another 3. of the same cup. 3 Altogether, cup is. shaded For each of the following questions, use the measuring cups to draw the addition. state the answer. a) b)! Answer: Answer: c) l d) Answer: Answer: 96 MHR Chapter 4 Cooking

31 .!.! -. 4 Shfde.! cup. Remove the!... cup from 4 cup you shaded.!.. cup 4 cup is left For each of the following questions, use the measuring cups to draw the subtraction. state the answer. a) 3 3 Answer: b).! - Answer: Skills Practice 0: Adding and Subtracting Fractions MHR 97

32 4. Cookin for a Crowd Focus: using ratios and fractions Name Circle the measuring cups you Your -cup measuring cup 3 missing. How could you could use to make 4 cups. measure cup using the State how many of each cup measuring cups shown? you would use. 3. Does doubling a recipe change 4. Write each ratio in lowest the ratio of the ingredients? terms. YES NO a) 5: 0 b) 9: 6 Measuring for a Recipe. A recipe for apple pie calls for twice as many green apples as red apples. a) Write a ratio to represent this situation. b) If you use 6 green apples, how many red apples should you use? c) If you use red apples, how many green apples should you use?. A recipe for stew calls for cans of corn to cans of beans in a ratio of : 3. a) If you use 3 cans of corn, how many cans of beans should you use? b) If you use 6 cans of beans, how many cans of corn should you use? 98 MHR Chapter 4 Cooking

33 You want to make this recipe for homemade hot chocolate. lt-.,. Homemade Hot Chocolate 68 g of semi-sweet chocolate chips 4 cup cocoa powder!cup sugar 8 L milk 5 ml butter a pinch of salt 3. You only have semi-sweet baking chocolate in a 5-g box. The box contains 8 squares of chocolate. square g How many squares of chocolate are needed for the recipe? Show how you determined your answer. 4. How would you measure the correct amount of milk? 5. How would you measure the correct amount of butteri 4. Cooking for a Crowd MHR 99

34 6. How would you measure the correct amount of cocoa powder? 7. How would you measure the correct amount of sugar? To save steps, you decide to measure similar ingredients together in the same measuring cup. 8. a) What ingredients might you measure together? and Why? b) How much cocoa powder and sugar are in the recipe? cup+ cup cup c) First, you measure the cocoa powder in the cup. Next, you measure the sugar. How will you determine when to stop adding sugar to the measuring cup? d) How much sugar did you add to the measuring cup? 00 MHR Chapter 4 Cooking

35 Increasing Amounts You have been asked to cook a pancake breakfast for 90 people for a school fundraiser. A pancake recipe is shown. Pancakes (Makes six 4" pancakes) Name a) How much pancake mix do you need to make one batch of pancakes? b) How much water do you need for one batch of pancakes? 0. One batch of pancakes makes 6 pancakes. a) How many pancakes will a double batch make? What do you multiply by when b) How much pancake mix do you need to you double make a double batch? a recipe? c) How much water do you need to make a double batch? You need to serve 90 people. You estimate that each person will eat 3 pancakes.. To serve 90 people, how many batches do you need to make? First, I will determine how many pancakes I need. 4. Cooking for a Crowd MHR 0

36 You are in charge of preparing a meal for a banquet. One of the recipes you plan to make is shown. Caramel Flan (Serves 3 - cup granulated sugar 4 5 eggs oz sweetened condensed milk 4 oz evaporated milk 0) tsp vanilla. In the table, list each ingredient required for the recipe. Determine the amount needed of each ingredient. Complete the table. Number of people served Cheek Your Understanding A recipe calls for 3 cups of sugar, 4 eggs, and cup of butter. Which amount of the recipe is the most difficult to determine? - - DOUBLE 3 Explain why. TRIPLE 0 MHR Chapter 4 Cooking

37 Skills Practice.ll: Writing and Reducg Ratios A ratio is a comparison of quantities that have the sarne units. The ratio of squares to triangles is 8:. A ratio is in lowest terms when you cannot divide both numbers by any number other than. Read this as "eight to twelve." The ratio 8 : is not written in lowest terms. Both 8 and can be divided evenly by and by 4. It is better to divide by the greater number. 8: :3 -;4 So, the ratio 8: is written as :3 in lowest terms.. Refer to the shapes at the top of the page. Write each of the following ratios in lowest terms. b) c) to all shapes f) to all shapes Skills Practice : Writing and Reducing Ratios MHR 03

38 4:.3 Snoek Time Focus: reducing ratios and fractions Name. How many metres are in a kilometre?. How many grams are in a kilogram? 3. a) What does the prefix kilo means? 4. Convert to the specified unit. a) 5 ml L b) 0.35 kl L b) How many litres are in a kilolitre? c) 0 L kl d).35 L ml s. Use the diagram to show What is + _! equal to? - 4 Using Ratios Use the following recipe to answer the questions on the next page. Vegetable Dip (Serves 6) 50 ml sour cream 60 ml mayonnaise 5 ml finely chopped onion 5 ml chopped fresh dill 0 ml chopped fresh parsley 0 ml sea salt Mix all ingredients. Chill the mixture for severai hours. Use as a dip for fresh vegetables. 04 MHR Chapter 4 Cooking

39 . What type of units are used in this recipe? IMPERIAL UNITS METRIC UNITS. a) What is the ratio of onion to dill? :r : ing Metric and Imperial Units CJ? Write the ratio in lowest terms. b) What is the ratio of parsley to sea salt? Express the ratio in lowest terms. c) What is the ratio of dill to parsley? Write the ratio in lowest terms. The recipe makes enough dip for 6 people. 3. How many people are in your class? Round this number up to the closest multiple of By what factor does the recipe have to be multiplied to make enough dip for the whole class? 5. Calculate how much of each ingredient you need to make enough dip for the whole class. Record each amount in the table. [ "By what factor" means "multiplied by what number." j Sour cream 50 ml Mayonnaise 60 ml Onion 5 ml Dill 5 ml Parsley 0 ml Sea salt 0 ml 4. 3 Snack Time MHR 0 5

40 The following recipe is for peppermint ice cream Peppermint Ice Cream (Serves 5) cups whipping cream cup sugar.! tsp vanilla extract.! tsp peppermint extract 3 lb coffee can with plastic cover lb coffee can with plastic cover Rock salt Crushed ice or snow Crushed peppermint stick Place lb can in centre of 3 lb can. Fill lb can with ice cream ingredients. Layer crushed ice or snow and rock salt around the small can. Cover both cans with their plastic lids. Roll the can around on the floor for about 5 m 6. What type of units are used in this recipe? IMPERIAL UNITS METRIC UNITS 7. a) How much vanilla extract and peppermint extract do you need in total? b) What is the ratio of whipping cream to sugar? Write the ratio in lowest terms. c) What is the ratio of vanilla extract to peppermint extract? Write the ratio in lowest terms. The recipe makes enough ice cream for 5 people. 8. By what factor does this recipe have to be increased to make enough ice cream for the whole class? 06 MHR Chapter 4 Cooking

41 9. Calculate how much of each ingredient you need to make enough ice cream for the whole class. Record each amount in the table. Whipping cream cups Sugar Vanilla extract.! cup.! tsp Peppermint.! tsp extract Peppermint stick 0. You want to make batch of peppermint ice cream. State personal references you could use to help you estimate the amount of ingredients. Cheek Your Understanding When cooking, why is it sometimes helpful to write ratios in lowest terms? 4. 3 Snack Time MHR 0 7

42 4:.4: Shoppin for Ingedienfs Focus: using ratios, unit pricing, better buys. Evaluate. a) of 9 3 b) _! of c) - 4 of. Evaluate. Draw a diagram to show your answer. a) + b) A bag of 6 oranges costs $ a) Calculate the cost per orange. 4. Determine the unit price of each item. a) cookies cost $3.89. b) The cost of buying one of a certain item is called its price. b) 4 packs of gum cost $ c) 5 paper clips cost $ Buying Ingredients On page 04, you used this recipe for vegetable dip. Vegetable Dip (Serves 6) 50 ml sour cream 60 ml mayonnaise 5 ml finely chopped onion 5 ml chopped fresh dill 0 ml chopped fresh parsley 0 ml sea salt Mix all ingredients. Chill the mixture for Use as a dip for fresh vegetables. several hours.. How much sour cream does the recipe call for? 0 8 MHR Chapter 4 Cooking

43 You can buy sour cream in different sizes. a) Which size has a lower unit price? b) Which size would you buy? Why? 500 ml 50 ml $. 69 $ How much mayonnaise does the recipe call for? 4. You can buy mayonnaise in different sizes ml 890 ml $3.49 $4. 3 Which size would you buy?... Why? 5. The mass of one small onion is about 60 g. Onions cost $.4/kg. a) What is the mass of onion in kilograms? b) How much would onion cost? 6. Dill costs $. 49 per bunch and parsley costs $.7 for a bunch. One bunch of each should be enough. What is the total cost of the herbs? 7. How much sea salt does the recipe call for? 8. There are different brands of sea salt. a) Why do you think the prices are so different? b) Which size of sea salt do you think you should buy and why? kg kg $. 39 $ Shopping for Ingredients MHR 0 9

44 9. Calculate the total cost to make vegetable dip. Sour cream Mayonnaise Onion Dill Parsley 50 ml 60 ml 5 ml 5 ml 0 ml Sea salt 0 ml Total On page 06, you used this recipe for peppermint ice cream. --- Peppermint Ice Cream (Serves 5) cups whipping cream 3 lb coffee can with plastic cover cup sugar lb coffee can with plastic cover! tsp vanilla extract Rock salt! tsp peppermint extract Crushed ice or snow Crushed peppermint stick Place lb can in centre of 3 lb can. Fill lb can with ice cream ingredients. Layer crushed ice or snow and rock salt around the small can. Cover both cans with their plastic lids. Roll the can around on the floor for about 5 m Assume that you can get the coffee cans, rock salt, and crushed ice or snow from home. You will not need to buy these items. 500 ml 50 ml 0. You can buy whipping cream in sizes. $3.5 7 $. 9 Which one would you buy and why? cup is about 50 ml kg kg $.77 $ Sugar is available in sizes. Which size would you buy and why? 0 MHR Chapter 4 Cooking

45 . Peppermint extract costs $ One peppermint stick costs $0. 5. What is the cost of these items? 3. Two types of vanilla extract are available. a) Why do you think pure vanilla extract is so much more expensive than artificial vanilla extract? b) Which type of vanilla extract would you buy? Why? 5 ml 43 ml $3.39 $ Calculate the total cost to make peppermint ice cream. Whipping cream cups Sugar - cup Vanilla extract - tsp Peppermint - extract tsp Peppermint stick Total 5. Which recipe is less expensive to make, vegetable dip or peppermint ice cream? Cheek Your Undersfandin What things do you need to consider when deciding which size and brand of a product to buy? 4.4 Shopping for Ingredients MHR

46 Chapter 4 Revew Name Circle the better word or phrase to describe each statement in # to #4.. The greatest amount that a container can hold ( capacity volume ). A comparison of quantities with the same units ( decimal ratio ) 3. When a fraction cannot be reduced any further ( equivalent fraction lowest terms ) 4. To double a number ( multiply by divide by ) 5. Think of the standard measuring cups and spoons. Write the equivalent metric and imperial units for each cup and spoon. 6. Translate the abbreviations into words. tbsp tsp g pkg. oz ml lb L 7. Your set of measuring cups is missing a 3 cup. How can you make 4 of a cup using other measuring cups?! MHR Chapter 4 Cooking

47 Use the following recipe for #8 to #. Name l Biscuits (Serves 4) cups flour tsp baking soda.! cup shortening cup buttermilk! tsp salt 8. How could you estimate the amount of flour without a measuring cup? 9. You put triple the amount of baking soda into the mixing bowl by mistake. How much baking soda did you put in? 0. a) How many batches of the recipe do you need to make to serve 00 people? b) Complete the table. Flour Baking soda Salt Shortening Buttermilk Number of People Served. Flour is available in sizes. Which size has the lower price per kilogram? 5 kg $ kg $3.7 Chapter 4 Review MHR 3

48 Task: Workn With Reeipes Apple Crisp (Serves 6) Name 4 cups sliced apples (about 4 medium) cup packed brown 3 cup flour sugar l cup oats! cup butter 3 tsp ground cinnamon l tsp ground 4 nutmeg. You want to make enough apple crisp for a class of 30 students. How many batches of the recipe do you need to make?. Complete the table. Apples Brown sugar Flour Oats Butter Cinnamon Nutmeg Number of People Served 4 MHR Chapter 4 Cooking