Grade 7 Mathematics practice

What is on the worksheet

1. A bag contains 30 red counters and 27 blue counters. One counter is drawn at random. What is the probability of red?

2. 6/15 × 5/9 = ?

3. A quantity starts at 3600, increases by 20%, then decreases by 20%. Find the final quantity.

4. Find the range of: 94, 110, 14, 119, 65, 81.

5. 13 + 13 × 6 = ?

6. Find the greatest common factor of 81 and 79.

7. A bag contains 4 red counters and 34 blue counters. One counter is drawn at random. What is the probability of red?

8. Two non-overlapping rectangular boxes measure 10×8×2 cm and 4×3×5 cm. Find their total volume in cm³.

9. Find the least common multiple of 9 and 13.

10. 4/3 × 2/4 = ?

11. Find the volume of a cuboid measuring 20 cm × 3 cm × 7 cm, in cm³.

12. Evaluate 4x + 21 when x = -4.

13. Find 17% of 560.

14. Simplify 77/147.

15. 41.4 × 41 = ?

16. Find the area of a 11 cm by 8 cm rectangle, in cm².

17. A rectangle is 27 cm long and 31 cm wide. Find its perimeter in cm.

18. 38 + 6 × 7 = ?

19. 5/19 + 9/20 = ?

20. P(A) = 3/22. Find P(not A).