Starter quiz
- When you use a ratio table, you are using __________ relationship.
- an additive
- a difference
- a multiplicative ✓
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- 100% = 40 and 70% = 28. The percentage change is ______%.
- '30' ✓
- The cost of a laptop increases from £540 to £702. What is the percentage change?
- 130%
- 77%
- 30% ✓
- 23%
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- Jun thinks of a number and increases it by a percentage. The number Jun thought of was 80 and his new number is 100. Jun has increased his original number by ______%.
- '25' ✓
- Jacob’s score on a game increases from 2450 to 2744. The percentage that Jacob's original score has changed by is ______%.
- '12' ✓
- A reduced fat bag of crisps contains 3 g of fat. The normal bag of crisps contains 2 g more of fat. The percentage that the fat has been reduced by is ______%.
- '40%' ✓
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