Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 406 · 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.An angle measures 110°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
2. 2.An angle measures 150°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
3. 3.Three angles together make a straight line. Two of them are 15° and 125°. What is the third angle (in degrees)?
4. 4.An angle measures 55°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
5. 5.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
6. 6.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
7. 7.Four angles meet at a point. Three of them are 40°, 90° and 170°. What is the fourth angle (in degrees)?
8. 8.Four angles meet at a point. Three of them are 90°, 40° and 60°. What is the fourth angle (in degrees)?
9. 9.An angle measures 220°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
10. 10.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
11. 11.Three angles together make a straight line. Two of them are 65° and 20°. What is the third angle (in degrees)?
12. 12.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
13. 13.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
14. 14.You face North and turn clockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
15. 15.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
16. 16.You face East and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) West (d) North
17. 17.Four angles meet at a point. Three of them are 70°, 30° and 90°. What is the fourth angle (in degrees)?
18. 18.Four angles meet at a point. Three of them are 40°, 100° and 110°. What is the fourth angle (in degrees)?
19. 19.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
20. 20.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
21. 21.The minute hand of a clock turns clockwise from 1 to 12. How many degrees does it turn?
22. 22.Four angles meet at a point. Three of them are 100°, 50° and 100°. What is the fourth angle (in degrees)?
23. 23.Four angles meet at a point. Three of them are 90°, 100° and 110°. What is the fourth angle (in degrees)?
24. 24.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
25. 25.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
26. 26.Four angles meet at a point. Three of them are 80°, 100° and 40°. What is the fourth angle (in degrees)?
27. 27.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
28. 28.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
29. 29.You face South and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West
30. 30.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
31. 31.The minute hand of a clock turns clockwise from 6 to 12. How many degrees does it turn?
32. 32.The minute hand of a clock turns clockwise from 8 to 6. How many degrees does it turn?
33. 33.Four angles meet at a point. Three of them are 60°, 90° and 30°. What is the fourth angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 75° and 85°. What is the third angle (in degrees)?
35. 35.Four angles meet at a point. Three of them are 40°, 50° and 190°. What is the fourth angle (in degrees)?
36. 36.Four angles meet at a point. Three of them are 50°, 90° and 50°. What is the fourth angle (in degrees)?
37. 37.An angle measures 295°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
38. 38.An angle measures 135°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
39. 39.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
40. 40.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?

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