Use estimation to support accurate calculation | Maths

Starter quiz

Match the equation the product.
- 7 × 2
  
  ⇔
  
  14 ✓
- 3 × 6
  
  ⇔
  
  18 ✓
- 7 × 9
  
  ⇔
  
  63 ✓
- 3 × 7
  
  ⇔
  
  21 ✓
- 7 × 10
  
  ⇔
  
  70 ✓
Which multiples of 10 is 47 between?
- 30 and 40
- 40 and 50 ✓
- 50 and 60
Which multiples of 100 is 256 between?
- 100 and 200
- 200 and 300 ✓
- 240 and 340
26 × 4 Use the expressions. The answer will be between 80 and ______.
- '120' ✓
True or false: 3 × 30 < 3 × 34
- True ✓
- False
Estimate and record your calculation as an informal or formal strategy. Eric buys 4 football tickets at £32 each. He then sells 1 at a discounted price of £29. How much did he spend in total? £ ______
- '99' ✓