Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 76 · 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.Three angles together make a straight line. Two of them are 30° and 70°. What is the third angle (in degrees)?
2. 2.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
3. 3.The minute hand of a clock turns clockwise from 6 to 2. How many degrees does it turn?
4. 4.The minute hand of a clock turns clockwise from 2 to 9. How many degrees does it turn?
5. 5.Three angles together make a straight line. Two of them are 85° and 30°. What is the third angle (in degrees)?
6. 6.Four angles meet at a point. Three of them are 50°, 70° and 30°. What is the fourth angle (in degrees)?
7. 7.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
8. 8.Three angles together make a straight line. Two of them are 35° and 35°. What is the third angle (in degrees)?
9. 9.Four angles meet at a point. Three of them are 90°, 80° and 130°. What is the fourth angle (in degrees)?
10. 10.An angle measures 180°. What kind of angle is it? (a) Acute (b) Right (c) Straight
11. 11.Four angles meet at a point. Three of them are 30°, 70° and 220°. What is the fourth angle (in degrees)?
12. 12.The minute hand of a clock turns clockwise from 4 to 11. How many degrees does it turn?
13. 13.An angle measures 275°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
14. 14.The minute hand of a clock turns clockwise from 10 to 11. How many degrees does it turn?
15. 15.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
16. 16.Three angles together make a straight line. Two of them are 55° and 55°. What is the third angle (in degrees)?
17. 17.The minute hand of a clock turns clockwise from 3 to 8. How many degrees does it turn?
18. 18.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) East (d) South
19. 19.Four angles meet at a point. Three of them are 60°, 30° and 70°. What is the fourth angle (in degrees)?
20. 20.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
21. 21.Three angles together make a straight line. Two of them are 40° and 60°. What is the third angle (in degrees)?
22. 22.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
23. 23.Three angles together make a straight line. Two of them are 45° and 120°. What is the third angle (in degrees)?
24. 24.An angle measures 60°. What kind of angle is it? (a) Acute (b) Reflex (c) Straight
25. 25.An angle measures 90°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
26. 26.Four angles meet at a point. Three of them are 30°, 70° and 200°. What is the fourth angle (in degrees)?
27. 27.The minute hand of a clock turns clockwise from 3 to 12. How many degrees does it turn?
28. 28.Three angles together make a straight line. Two of them are 30° and 95°. What is the third angle (in degrees)?
29. 29.Four angles meet at a point. Three of them are 90°, 50° and 30°. What is the fourth angle (in degrees)?
30. 30.Three angles together make a straight line. Two of them are 40° and 25°. What is the third angle (in degrees)?
31. 31.Three angles together make a straight line. Two of them are 80° and 90°. What is the third angle (in degrees)?
32. 32.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
33. 33.You face East and turn clockwise through 180°. Which direction do you face now? (a) South (b) North (c) West (d) East
34. 34.Three angles together make a straight line. Two of them are 60° and 30°. What is the third angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 50° and 15°. What is the third angle (in degrees)?
36. 36.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
37. 37.An angle measures 100°. What kind of angle is it? (a) Right (b) Reflex (c) Obtuse
38. 38.An angle measures 165°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
39. 39.Three angles together make a straight line. Two of them are 25° and 140°. What is the third angle (in degrees)?
40. 40.Four angles meet at a point. Three of them are 80°, 70° and 160°. What is the fourth angle (in degrees)?

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