MATHEMATICS HOME-WORK. CHRISTMAS π RECIPE

Transcription

1 MATHEMATICS HOME-WORK CHRISTMAS π RECIPE 1. Solve the following problem sums to calculate the amount of each ingredient required for your Christmas pie.* *If you are unable to find cranberry sauce, you may substitute it with raspberry, blueberry or cherry sauce or pie filling! 2. Head to a supermarket with your parents to buy the ingredients for your Christmas pie. 3. Follow the instructions below to make your Christmas pie.

2 INGREDIENTS: PROBLEM SUMS Read through the entire Home-worksheet once. Then, follow the instructions carefully and fill in the correct answers in the blanks. (Hint: You ll need your parents help to complete this exercise.) 15 x 4 x 3g plain 3/18 as much brown sugar as digestives 1 teaspoon cinnamon g plain g brown sugar 1 teaspoon cinnamon Use this space for your workings! 50% less ground ginger than cinnamon 25% as much salt as ground ginger tsp ground ginger tsp salt g unsalted g unsalted 1 90 x 4 ml 1.5 cups ( ml 5/34 as much white sugar as white sugar g 85 x 2^2g softened cream cheese g softened cream cheese 800% as much vanilla as salt vanilla tsp

3 STEP 1 CREATE THE PIE CRUST 1. Crush the into crumbs in a ziplock bag. 2. Combine the digestive biscuit crumbs, brown sugar, cinnamon, ground ginger and salt into a bowl. 3. Melt the unsalted separately by microwaving it in a bowl for seconds. 4. Mix in the melted until evenly combined. 5. Press the crust mixture evenly into a 9-inch pie pan. (Hint: Using the bottom of a cup with a flat base helps!) 6. Press well to compact the crust. 7. Set the crust aside in the refrigerator. STEP 2 MAKE THE CRANBERRY FILLING 1. Beat the in a stand mixer or with a hand mixer until stiff peaks form. (Hint: Make sure the whipping cream is refrigerated beforehand!) 2. In a separate bowl, add sugar and cream cheese. Then, beat them together until they are well combined. The mixture should look soft and fluffy. 3. Mix in the cranberry sauce, vanilla and the zest of until smooth. 4. Fold in the whipped cream mixture with a spatula. STEP 3 PUT THE PIE TOGETHER! 1. Take the pie pan with the crust you ve prepared from the fridge. 2. Pour the cranberry filling into it. 3. Put the pie back into the refrigerator and chill for about 21,600 seconds until firm. 4. Garnish with orange peel or frozen cranberries in the shape of π.

4 WHAT CAN WE LEARN ABOUT PI (π) FROM YOUR CHRISTMAS PIE? Pi (π) is the ratio of the circumference to diameter of a circle. The value of π is for every circle, no matter how big or small. This is why we can easily calculate a circle s diameter if we know its circumference, and vice versa. Circumference Pi (π) = = Diameter Using measuring tape, measure the ratio of circumference to diameter of your Christmas pie! DIAMETER CIRCUMFERENCE Circumference = Diameter = cm cm Circumference Diameter = Is the value 3.142? Explain why. Answer key on the following page. No peeking until you ve completed this on your own!

5 ANSWER KEY INGREDIENTS: PROBLEM SUMS 15 x 4 x 3g plain 3/18 as much brown sugar as digestives 1 teaspoon (tsp) cinnamon 180 g plain 30g (2 tbsp) brown sugar 1 teaspoon (tsp) cinnamon 50% less ground ginger than cinnamon 25% as much salt as ground ginger 1/2 tsp ground ginger 1/8 tsp salt g unsalted 113g unsalted 90 x 4 ml 5/34 as much white sugar as 360 ml 50g white sugar 85 x 2^2g softened cream cheese 340g cream cheese softened 800% as much vanilla as salt 1 tsp vanilla Is the value 3.142? Explain why. The Christmas pie is in the shape of a circle. And all circles have a π value of

6 HOME-WORK Exercises that get your kids to apply academic concepts to household activities and contexts helping your kids to become not just better students, but better grown-ups too. thelearninglab.com.sg/home-work TheLearningLabSingapore thelearninglab