Math 9 · Unit 8: Fractions · Cambridge Lower Secondary Maths Stage 9

Questions

1. 1. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 2
   • 8
   • 3
   • 6
   • 4
   Check

2. 2. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 4
   • 5
   • 3
   • 8
   • 15
   • 12
   Check

3. 3. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 9
   • 6
   • 15
   • 3
   • 30
   • 5
   Check

4. 4. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 36
   • 7
   • 4
   • 12
   • 3
   • 9
   Check

5. 5. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 3
   • 12
   • 6
   • 24
   • 8
   • 4
   Check

6. 6. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 12
   • 6
   • 40
   • 5
   • 8
   • 30
   Check

7. 7. Complete the working in this multiplication by cancelling common factors first.

   Fill the blanks with these.

   • 7
   • 20
   • 28
   • 12
   • 4
   • 5
   Check

8. 8. Work out 2/5 × 15.

   • 12
   • 30
   • 6
   • 3
   Check

9. 9. Work out 3/4 × 24.

   • 18
   • 6
   • 72
   • 36
   Check

10. 10. Work out 7/8 × 32.

    • 36
    • 28
    • 224
    • 4
    Check

11. 11. Complete the working in this multiplication by cancelling common factors first.

    Fill the blanks with these.

    • 5
    • 20
    • 2
    • 10
    • 1
    • 4
    Check

12. 12. Complete the working in this multiplication by cancelling common factors first.

    Fill the blanks with these.

    • 15
    • 1
    • 7
    • 3
    • 12
    • 2
    • 25
    • 5
    • 10
    Check

13. 13. Complete the working in this multiplication by cancelling common factors first.

    Fill the blanks with these.

    • 21
    • 4
    • 7
    • 14
    • 1
    • 3
    • 42
    • 2
    • 10
    Check

14. 14. Complete the working in this multiplication by cancelling common factors first.

    Fill the blanks with these.

    • 13
    • 9
    • 5
    • 24
    • 8
    • 1
    • 3
    • 120
    • 40
    Check

15. 15. Work out 1/4 × 18. Give your answer as a mixed number.

    • 4 1/2
    • 5 1/2
    • 9
    • 18
    Check

16. 16. Work out 3/8 × 10. Give your answer as a mixed number.

    • 1 1/4
    • 30
    • 3 3/4
    • 7 1/2
    Check

17. 17. Work out 7/12 × 16. Give your answer as a mixed number.

    • 18 2/3
    • 1 1/3
    • 112
    • 9 1/3
    Check

18. 18. Work out 3/5 × 15.

    • 9
    • 3
    • 45
    • 18
    Check

19. 19. Work out 3/4 × 16.

    • 24
    • 4
    • 48
    • 12
    Check

20. 20. Work out 3/5 × 25.

    • 5
    • 30
    • 15
    • 75
    Check