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

Questions

1. 1. Copy and complete these calculations. 2 1/8 + (1 1/2 − 1/4)

   Fill the blanks with these.

   • 3
   • 4
   • 2
   • 5
   • 1
   Check

2. 2. Copy and complete these calculations. 3 + 2/3 × 4/5

   Fill the blanks with these.

   • 12
   • 7
   • 8
   • 15
   Check

3. 3. Copy and complete these calculations. 2² ÷ 3/5 − 1 5/6

   Fill the blanks with these.

   • 40
   • 12
   • 30
   • 4
   • 29
   • 5
   • 20
   Check

4. 4. Work out 4 3/8 + 1/2 × 3/4.

   • 3 15/32
   • 4 7/8
   • 4 1/2
   • 4 3/4
   Check

5. 5. Work out 3/5 × 1/2 + 2 1/10.

   • 1 13/20
   • 2 2/5
   • 2 1/5
   • 2 3/10
   Check

6. 6. Work out 5 5/8 − (2 1/2 + 3/8).

   • 2 3/4
   • 3 1/2
   • 3 1/4
   • 2 1/4
   Check

7. 7. Work out 5/8 ÷ 15/16 + 4 1/3.

   • 4 1/2
   • 5
   • 4 31/48
   • 4 2/3
   Check

8. 8. Match each calculation with the correct answer.

   • 5 1/4 + 1/2 × 5/6
   • 8 2/3 − (4 3/4 − 1 1/2)
   • 11/12 × (3² ÷ 3/2)

   • 5 1/2
   • 5 2/3
   • 5 5/12
   Check

9. 9. Work out 10 − (1 1/6 + 2 7/12).

   • 6 1/12
   • 6 3/4
   • 11 5/12
   • 6 1/4
   Check

10. 10. Work out 4 2/9 + (7 2/3 − 1/2).

    • 11 7/18
    • 11 1/18
    • 12 7/18
    • 10 7/18
    Check

11. 11. Work out 6 7/8 + 2 1/4 × 15.

    • 34 5/8
    • 40 3/8
    • 136 7/8
    • 40 5/8
    Check

12. 12. Work out 18 1/14 − 6/7 × 5/2.

    • 15 13/14
    • 15 1/14
    • 42 23/28
    • 16 13/14
    Check

13. 13. The triangle has a perimeter of 25 49/50 m. Which calculation works out the length of the third side?

    • (4 2/5 + 12 7/25) − 25 49/50
    • 25 49/50 − 4 2/5 + 12 7/25
    • 25 49/50 − (4 2/5 + 12 7/25)
    • 25 49/50 + 4 2/5 + 12 7/25
    Check

14. 14. A triangle has a perimeter of 25 49/50 m. Two of its sides are 4 2/5 m and 12 7/25 m. Is Arun's estimate of the third side correct?

    • Yes
    • No
    Check

15. 15. A triangle has a perimeter of 25 49/50 m. Two of its sides are 4 2/5 m and 12 7/25 m. Is the third side 9 1/2 m long?

    • Yes
    • No
    Check

16. 16. Shania has a mass of 57 2/5 kg. Kiera's mass is 2 1/4 kg more than Shania's mass. The total mass of Shania, Kiera and Lara is 173 3/4 kg. What is Lara's mass?

    • 117 1/20 kg
    • 57 7/10 kg
    • 56 7/10 kg
    • 56 3/10 kg
    Check

17. 17. Copy and complete the workings to calculate the answer to 2/3 ÷ 3/7 + 6 1/2 × 7.

    Fill the blanks with these.

    • 9
    • 91
    • 21
    • 47
    • 1
    • 14
    • 13
    • 3
    • 7
    Check

18. 18. Work out the area of this compound shape.

    • 17 1/3 m²
    • 16 29/36 m²
    • 19 31/36 m²
    • 15 11/36 m²
    Check

19. 19. Work out (3 1/2)² + 3 1/2.

    • 16 1/4
    • 12 3/4
    • 13 1/4
    • 15 3/4
    Check

20. 20. Work out 16 × 2 1/4 − (3/4)².

    • 35 7/8
    • 35 7/16
    • 35 1/4
    • 34 7/16
    Check