Math 6 · Unit 16: The laws of arithmetic · Cambridge Primary Maths Stage 6

Questions

1. 1. 2 + 3² × 2 = ?

   • 50
   • 20
   • 22
   • 38
   Check

2. 2. 17 × 6 + 17 × 4 = ?

   • 68
   • 102
   • 1700
   • 170
   Check

3. 3. (8 − 3)² = ?

   • 55
   • 61
   • 10
   • 25
   Check

4. 4. 20 ÷ 4 × 5 = ?

   • 1
   • 100
   • 4
   • 25
   Check

5. 5. 10 − 4 + 3 = ?

   • 11
   • 9
   • 3
   • 17
   Check

6. 6. 4 × 2.5 × 7 = ?

   • 17.5
   • 28
   • 700
   • 70
   Check

7. 7. Which is equal to 9 × 48?

   • 9 + 48 × 10
   • 9 × 40 + 8
   • 10 × 48 − 9
   • 10 × 48 − 48
   Check

8. 8. 3 + 6 ÷ 3 × 2 = ?

   • 3
   • 7
   • 6
   • 4
   Check

9. 9. Where do brackets make 6 + 4 × 3 − 1 = 29?

   • (6 + 4) × 3 − 1
   • 6 + 4 × (3 − 1)
   • 6 + (4 × 3) − 1
   • (6 + 4 × 3) − 1
   Check

10. 10. 2³ + 4 = ?

    • 12
    • 216
    • 64
    • 10
    Check

11. 11. 25 × 13 × 4 = ?

    • 1300
    • 1700
    • 1225
    • 325
    Check

12. 12. Is division commutative (8 ÷ 2 = 2 ÷ 8)?

    • Yes
    • No
    Check

13. 13. 36 ÷ (3 + 6) = ?

    • 18
    • 4
    • 12
    • 6
    Check

14. 14. 5 × (12 − 2) ÷ 10 = ?

    • 50
    • 5
    • 6
    • 1
    Check

15. 15. 19 + 37 + 81 is easiest as …

    • 37 + 81 first
    • you can't reorder
    • 19 + 37 first
    • 19 + 81 + 37
    Check