Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 792 · 40 sums

The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°, reflex between 180° and 360°. Angles on a straight line add up to 180°; angles around a point add up to 360°. Each hour mark on a clock is 30° apart (360° ÷ 12). Turning clockwise from North: 90° → East, 180° → South, 270° → West.

1. 1.Four angles meet at a point. Three of them are 90°, 30° and 50°. What is the fourth angle (in degrees)?
2. 2.The minute hand of a clock turns clockwise from 11 to 5. How many degrees does it turn?
3. 3.Four angles meet at a point. Three of them are 90°, 30° and 140°. What is the fourth angle (in degrees)?
4. 4.Four angles meet at a point. Three of them are 100°, 30° and 220°. What is the fourth angle (in degrees)?
5. 5.The minute hand of a clock turns clockwise from 6 to 8. How many degrees does it turn?
6. 6.An angle measures 5°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
7. 7.An angle measures 290°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
8. 8.Three angles together make a straight line. Two of them are 85° and 80°. What is the third angle (in degrees)?
9. 9.Four angles meet at a point. Three of them are 80°, 40° and 170°. What is the fourth angle (in degrees)?
10. 10.Four angles meet at a point. Three of them are 70°, 90° and 140°. What is the fourth angle (in degrees)?
11. 11.Three angles together make a straight line. Two of them are 20° and 130°. What is the third angle (in degrees)?
12. 12.An angle measures 160°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
13. 13.Four angles meet at a point. Three of them are 30°, 100° and 30°. What is the fourth angle (in degrees)?
14. 14.Three angles together make a straight line. Two of them are 65° and 20°. What is the third angle (in degrees)?
15. 15.Three angles together make a straight line. Two of them are 55° and 100°. What is the third angle (in degrees)?
16. 16.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 30°, 70° and 130°. What is the fourth angle (in degrees)?
18. 18.Four angles meet at a point. Three of them are 50°, 60° and 30°. What is the fourth angle (in degrees)?
19. 19.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
20. 20.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) North (c) West (d) South
21. 21.The minute hand of a clock turns clockwise from 9 to 1. How many degrees does it turn?
22. 22.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
23. 23.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
24. 24.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) West (c) South (d) East
25. 25.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
26. 26.An angle measures 10°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
27. 27.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
28. 28.An angle measures 190°. What kind of angle is it? (a) Acute (b) Reflex (c) Straight
29. 29.Three angles together make a straight line. Two of them are 45° and 105°. What is the third angle (in degrees)?
30. 30.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
31. 31.An angle measures 180°. What kind of angle is it? (a) Acute (b) Right (c) Straight
32. 32.Three angles together make a straight line. Two of them are 50° and 90°. What is the third angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 8 to 4. How many degrees does it turn?
34. 34.Four angles meet at a point. Three of them are 50°, 80° and 120°. What is the fourth angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 15° and 65°. What is the third angle (in degrees)?
36. 36.Four angles meet at a point. Three of them are 100°, 50° and 40°. What is the fourth angle (in degrees)?
37. 37.An angle measures 335°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Right
38. 38.The minute hand of a clock turns clockwise from 6 to 4. How many degrees does it turn?
39. 39.Three angles together make a straight line. Two of them are 35° and 70°. What is the third angle (in degrees)?
40. 40.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?

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