Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 745 · 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 70°, 70° and 200°. What is the fourth angle (in degrees)?
2. 2.Three angles together make a straight line. Two of them are 20° and 105°. What is the third angle (in degrees)?
3. 3.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
4. 4.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
5. 5.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
6. 6.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
7. 7.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
8. 8.An angle measures 115°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
9. 9.Four angles meet at a point. Three of them are 80°, 60° and 200°. What is the fourth angle (in degrees)?
10. 10.The minute hand of a clock turns clockwise from 1 to 3. How many degrees does it turn?
11. 11.An angle measures 30°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
12. 12.Four angles meet at a point. Three of them are 90°, 80° and 80°. What is the fourth angle (in degrees)?
13. 13.An angle measures 90°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
14. 14.Four angles meet at a point. Three of them are 60°, 100° and 130°. What is the fourth angle (in degrees)?
15. 15.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) West (c) South (d) North
16. 16.An angle measures 160°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
17. 17.An angle measures 75°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
18. 18.Three angles together make a straight line. Two of them are 70° and 70°. What is the third angle (in degrees)?
19. 19.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
20. 20.Four angles meet at a point. Three of them are 30°, 100° and 70°. What is the fourth angle (in degrees)?
21. 21.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
22. 22.Four angles meet at a point. Three of them are 80°, 40° and 70°. What is the fourth angle (in degrees)?
23. 23.Three angles together make a straight line. Two of them are 70° and 50°. What is the third angle (in degrees)?
24. 24.Three angles together make a straight line. Two of them are 70° and 35°. What is the third angle (in degrees)?
25. 25.You face East and turn clockwise through 90°. Which direction do you face now? (a) West (b) North (c) South (d) East
26. 26.Three angles together make a straight line. Two of them are 45° and 80°. What is the third angle (in degrees)?
27. 27.Three angles together make a straight line. Two of them are 85° and 60°. What is the third angle (in degrees)?
28. 28.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
29. 29.Four angles meet at a point. Three of them are 50°, 40° and 30°. What is the fourth angle (in degrees)?
30. 30.An angle measures 100°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
31. 31.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
32. 32.Three angles together make a straight line. Two of them are 25° and 10°. What is the third angle (in degrees)?
33. 33.Three angles together make a straight line. Two of them are 30° and 120°. What is the third angle (in degrees)?
34. 34.You face South and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
35. 35.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) East (c) West (d) South
36. 36.The minute hand of a clock turns clockwise from 5 to 10. How many degrees does it turn?
37. 37.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
38. 38.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) West (c) East (d) South
39. 39.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
40. 40.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North

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