Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 645 · 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 20° and 25°. What is the third angle (in degrees)?
2. 2.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
3. 3.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
4. 4.The minute hand of a clock turns clockwise from 1 to 5. How many degrees does it turn?
5. 5.The minute hand of a clock turns clockwise from 3 to 8. How many degrees does it turn?
6. 6.The minute hand of a clock turns clockwise from 10 to 4. How many degrees does it turn?
7. 7.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) South (d) East
8. 8.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
9. 9.The minute hand of a clock turns clockwise from 4 to 11. How many degrees does it turn?
10. 10.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
11. 11.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
12. 12.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) West (c) South (d) North
13. 13.An angle measures 305°. What kind of angle is it? (a) Right (b) Straight (c) Reflex
14. 14.An angle measures 165°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
15. 15.Three angles together make a straight line. Two of them are 20° and 100°. What is the third angle (in degrees)?
16. 16.The minute hand of a clock turns clockwise from 12 to 6. How many degrees does it turn?
17. 17.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
18. 18.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
19. 19.You face North and turn clockwise through 180°. Which direction do you face now? (a) West (b) East (c) North (d) South
20. 20.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
21. 21.The minute hand of a clock turns clockwise from 12 to 3. How many degrees does it turn?
22. 22.An angle measures 55°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
23. 23.Three angles together make a straight line. Two of them are 30° and 140°. What is the third angle (in degrees)?
24. 24.An angle measures 100°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
25. 25.An angle measures 315°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
26. 26.Four angles meet at a point. Three of them are 40°, 70° and 80°. What is the fourth angle (in degrees)?
27. 27.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
28. 28.The minute hand of a clock turns clockwise from 11 to 3. How many degrees does it turn?
29. 29.Four angles meet at a point. Three of them are 40°, 40° and 260°. What is the fourth angle (in degrees)?
30. 30.Three angles together make a straight line. Two of them are 95° and 25°. What is the third angle (in degrees)?
31. 31.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
32. 32.Three angles together make a straight line. Two of them are 40° and 110°. What is the third angle (in degrees)?
33. 33.Four angles meet at a point. Three of them are 40°, 30° and 40°. What is the fourth angle (in degrees)?
34. 34.You face West and turn clockwise through 180°. Which direction do you face now? (a) East (b) West (c) North (d) South
35. 35.Three angles together make a straight line. Two of them are 35° and 135°. What is the third angle (in degrees)?
36. 36.Three angles together make a straight line. Two of them are 35° and 45°. What is the third angle (in degrees)?
37. 37.Four angles meet at a point. Three of them are 100°, 90° and 110°. What is the fourth angle (in degrees)?
38. 38.Four angles meet at a point. Three of them are 70°, 80° and 80°. What is the fourth angle (in degrees)?
39. 39.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
40. 40.Three angles together make a straight line. Two of them are 45° and 100°. What is the third angle (in degrees)?

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