Math 2 · Unit 10: Calculating · Cambridge Primary Maths Stage 2

Questions

1. 1. 10 × 8 = 80. What is 5 × 8?

   • 13
   • 80
   • 16
   • 40
   Check

2. 2. 5 × 4 = 20. What is 10 × 4?

   • 14
   • 40
   • 9
   • 20
   Check

3. 3. 10 × 3 = 30. What is 5 × 3?

   • 15
   • 30
   • 8
   • 60
   Check

4. 4. 5 × 9 = 45. What is 10 × 9?

   • 45
   • 54
   • 90
   • 19
   Check

5. 5. 5 + 5 = 10. Which multiplication is the same?

   • 5 × 2 = 10
   • 5 × 5 = 10
   • 10 × 2 = 5
   • 2 × 10 = 10
   Check

6. 6. Which matches 3 × 2?

   • 1 + 1
   • 10 + 10
   • 3 + 3
   • 6 + 6
   Check

7. 7. Which matches 10 × 2?

   • 3 + 3
   • 1 + 1
   • 10 + 10
   • 6 + 6
   Check

8. 8. Sofia counts 10 hands. Each hand has 5 fingers. How many fingers is that?

   • 10
   • 15
   • 50
   • 100
   Check

9. 9. Which number is in both the 5 times table and the 10 times table?

   • 30
   • 45
   • 15
   • 25
   Check

10. 10. Biscuits cost 5c each. Arun writes 10 × 4 = 40 for the cost of 4 biscuits. Is he correct?

    • Yes
    • No
    Check

11. 11. Which is the smallest?

    • 2 × 9
    • 5 × 3
    • 10 × 5
    • 5 × 4
    Check

12. 12. Which is equal to 4 × 2?

    • 2 × 4
    • 4 + 2
    • 4 × 4
    • 2 × 2
    Check

13. 13. 10 × 1 = 10 and 5 × 2 = 10. These are …

    • equivalent
    • inverse
    • wrong
    • different
    Check

14. 14. Double 6 = ?

    • 12
    • 66
    • 3
    • 8
    Check

15. 15. 5 × 7 = ?

    • 12
    • 35
    • 57
    • 30
    Check

16. 16. Cakes cost 10c each. Sofia writes 10 × 7 = 70 for 7 cakes. Is she correct?

    • Yes
    • No
    Check