maths y7 percentages

What you'll learn

1. 1

   Imagine a big chocolate bar with 100 squares. That whole bar is 100% — the whole thing!

2. 2

   If you eat 50 squares of the 100-square chocolate bar, what percentage have you eaten?

3. 3

   Shade 30% of this 100-square grid — tap on the squares.

4. 4

   What is 25% of 200 marbles?

5. 5

   What is 10% of 60 sweets?

6. 6

   Use the bar model to find 20% of 80. The total bar is 100%.

7. 7

   If 30% of a number is 15, what is the number?