Math 7 · Unit 4: Decimals · Cambridge Lower Secondary Maths Stage 7

Questions

1. 1. Work out 75 + 22.

   • 107
   • 87
   • 96
   • 97
   Check

2. 2. Work out 36 + 45.

   • 82
   • 81
   • 91
   • 71
   Check

3. 3. Work out 79 + 53.

   • 122
   • 132
   • 131
   • 142
   Check

4. 4. Work out 125 + 314.

   • 449
   • 439
   • 438
   • 429
   Check

5. 5. Question 1e: work out 562 + 36.

   • 598
   • 597
   • 5980
   • 608
   Check

6. 6. Question 1f: work out 286 + 77.

   • 3630
   • 373
   • 362
   • 363
   Check

7. 7. Question 2a: work out 3.4 + 2.1.

   • 5.5
   • 5.4
   • 6.5
   • 55
   Check

8. 8. Question 2b: work out 5.2 + 3.9.

   • 9
   • 9.1
   • 10.1
   • 91
   Check

9. 9. Question 2c: work out 6.8 + 8.4.

   • 15.2
   • 15.1
   • 152
   • 16.2
   Check

10. 10. Question 2d: work out 42.5 + 33.7.

    • 76.2
    • 77.2
    • 76.1
    • 762
    Check

11. 11. Question 2e: work out 73.7 + 9.1.

    • 828
    • 82.8
    • 82.7
    • 83.8
    Check

12. 12. Question 2f: work out 8.49 + 0.84.

    • 9.33
    • 9.43
    • 9.32
    • 93.3
    Check

13. 13. Question 3a: work out 6.1 + 5.7.

    • 12.8
    • 118
    • 11.7
    • 11.8
    Check

14. 14. Question 3b: work out 8.3 + 4.8.

    • 13.1
    • 131
    • 13
    • 14.1
    Check

15. 15. Question 3c: work out 12.9 + 5.3.

    • 182
    • 18.2
    • 18.1
    • 19.2
    Check

16. 16. Question 3d: work out 3.21 + 0.58.

    • 3.79
    • 3.89
    • 3.78
    • 37.9
    Check

17. 17. Work out 78 − 42.

    • 120
    • 46
    • 26
    • 36
    Check

18. 18. Work out 49 − 21.

    • 27
    • 70
    • 38
    • 28
    Check

19. 19. Work out 843 − 28.

    • 805
    • 825
    • 816
    • 815
    Check

20. 20. Question 4d: work out 6.7 − 1.4.

    • 6.3
    • 53
    • 5.2
    • 5.3
    Check