Grade 3 Geometry worksheet

What is on the worksheet

1. A rectangle is 23 cm long and 21 cm wide. Find its perimeter in cm.

2. Find the area of a 9 cm by 7 cm rectangle, in cm².

3. A rectangle has area 342 cm² and length 19 cm. Find its width in cm.

4. A rectangle has area 644 cm² and length 28 cm. Find its width in cm.

5. A rectangle is 6 cm long and 36 cm wide. Find its perimeter in cm.

6. A rectangle is 37 cm long and 19 cm wide. Find its perimeter in cm.

7. Find the area of a 41 cm by 15 cm rectangle, in cm².

8. Find the area of a 37 cm by 55 cm rectangle, in cm².

9. A rectangle is 5 cm long and 54 cm wide. Find its perimeter in cm.

10. Find the area of a 5 cm by 58 cm rectangle, in cm².

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

12. Find the area of a 51 cm by 37 cm rectangle, in cm².

13. Find the area of a 40 cm by 3 cm rectangle, in cm².

14. Find the area of a 20 cm by 25 cm rectangle, in cm².

15. A rectangle is 33 cm long and 28 cm wide. Find its perimeter in cm.

16. A rectangle is 15 cm long and 45 cm wide. Find its perimeter in cm.

17. A rectangle is 45 cm long and 52 cm wide. Find its perimeter in cm.

18. A rectangle is 21 cm long and 64 cm wide. Find its perimeter in cm.

19. Find the area of a 62 cm by 56 cm rectangle, in cm².

20. Find the area of a 18 cm by 42 cm rectangle, in cm².