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Maths
Multiply 3 or more numbers (commutative and associative laws)

Starter quiz

  • What number is represented by the factor bug?
    What number is represented by the factor bug?
    • '36' ✓
  • 50 x 8 = ______
    • '400' ✓
  • Tick all the factors of 28
    • 3
    • 4  ✓
    • 6
    • 7  ✓
    • 14  ✓
  • What is the missing factor of 72 from this list? 1, 2, 3, 4, 6, 8, 9, 18, 24, 36, and 72
    • '12' ✓
  • Put these calculations in order from lowest to highest.
    • 1
      ⇔
      12 × 10 × 1
    • 2
      ⇔
      2 × 14 × 5
    • 3
      ⇔
      16 × (5 × 2)
    • 4
      ⇔
      9 × (4 × 5)
  • What is the most efficient calculation for 86 × 5?
    • 80 × 6 × 5
    • (43 × 2) × 5
    • 43 × (2 × 5)  ✓
    • 2 × (43 × 5)
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