Starter quiz
- Which of the following is the correct calculation for finding 20% of 300?
- 300 + 0.2
- 300 − 0.2
- 300 × 0.2 ✓
- 300 ÷ 0.2
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- A number is increased by 25%. 1 part is equal to 25%. What will be the total number of parts representing the new number?
- 3
- 4
- 5 ✓
- 6
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- The cost of a TV increases by 20%. The new price is £420. What was the cost of the TV before the price increase? Without calculating the answer, decide whose answers cannot possibly be correct?
- Andeep says the answer is £525 ✓
- Izzy says the answer is £502 ✓
- Aisha says the answer is £350
- Jacob says the answer is £226
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- Jun thinks of a number and increases it by 20%. Jun's new number is 720. What was his original number?
- 900
- 864
- 600 ✓
- 576
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- The cost of a TV increases by 20%. The new price is £420. The cost of the TV before the price increase is £ ______.
- '350' ✓
- The cost of a concert ticket is £80. This is an increase of 25% on last year. The cost of the ticket last year was £ ______.
- '64' ✓
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