___________
Maths
Use common factors and multiples to solve calculations efficiently

Starter quiz

  • Complete the missing word. ______ × factor = product
    • 'factor' ✓
  • Tick the factors of 27
    • 1  ✓
    • 2
    • 3  ✓
    • 7
    • 9  ✓
  • 32 is a multiple of:
    • 2  ✓
    • 3
    • 4  ✓
    • 8  ✓
    • 12
  • Match the square number to the correct factor.
    • 1
      ⇔
      1 ✓
    • 9
      ⇔
      3 ✓
    • 25
      ⇔
      5 ✓
    • 49
      ⇔
      7 ✓
    • 81
      ⇔
      9 ✓
  • 24 and 9 are common multiples of ______.
    • '3' ✓
  • How could you describe the multiplicative relationship between 25 and 100?
    • 25 is 4 times the size of 100
    • 100 is twice the size of 25
    • 100 is 4 times larger than 25  ✓
    • 25 × 4 = 100  ✓
    • 100 = 25 × 2
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