Checking and securing understanding of the commutative and associative laws | Maths

Starter quiz

Which operation is the mathematical operation of scaling one number by another?
- Division
- Multiplication ✓
- Addition
- Subtraction
Match each multiplication to its answer.
- $9\times3$
  
  ⇔
  
  $27$ ✓
- $8\times6$
  
  ⇔
  
  $48$ ✓
- $7\times9$
  
  ⇔
  
  $63$ ✓
- $6\times7$
  
  ⇔
  
  $42$ ✓
Work out the missing number: 7 × ______ = 7000
- '1000' ✓
Select all the correct statements.
- 8 + 4 is equal to 4 + 8 ✓
- 8 − 4 is the same 4 − 8
- 8 × 4 is equal to 4 × 8 ✓
- 8 ÷ 4 is equal to 4 ÷ 8
Without using a calculator, work out: 168 + 235 − 149 = ______
- '254' ✓
Without using a calculator, work out: 23 × 15 = ______
- '345' ✓