Friday, February 20, 2015

February 23 on Yogurt Drink

Each 100ml of this yogurt drink provides 47kcal. Each bottle is 125ml. 

Yi Yang has slurped down five bottles today. 

How many kcal did he consume from the yogurt drink alone? 

For Parents | This type of question are typically worth two marks in the PSLE. Still considered basic but it is not a single-step task. Students with good number sense do not divide by 100 and multiply by 125, Instead they divide by 4 and multiply by 5. 

This is typically for Paper 2 where calculator use is allowed. 

Self-Check for Students | Can you do this leaving your calculation answers in fractions and to do it without using calculator? 

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