Mon Prof Augmenté
Half a cake, three ways
Age 8 · Maths
Open to everyone until Thursday, October 29
To keep it, print it while it is open.
Each cake is cut into a different number of equal pieces, but the pink part is always half of the cake. One half, two quarters and four eighths are the same amount.
In the picture
- Cake cut in 2: one half is pink
- Cake cut in 4: two quarters are pink, the same half
- Cake cut in 8: four eighths are pink, still the same half
Examples
- A pizza cut into 8 slices: eating 4 slices is the same as eating half the pizza.
- A chocolate bar with 4 squares: 2 squares are the same as half the bar.
Key takeaways
- 1/2 = 2/4 = 4/8: they cover the same amount.
- More pieces means smaller pieces, so you need more of them to make the same half.
Quiz: Half a cake, three ways (Age 8)
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Which of these is the same amount as one half of a cake?
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A cake is cut into 8 equal pieces. How many pieces do you need to make half of the cake?
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Why do you need more eighths than quarters to make the same half?
The answers, each with its explanation, are in the app. This quiz is free there while the lesson is in the free week.
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