Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 814 · 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 30°, 40° and 60°. What is the fourth angle (in degrees)?
2. 2.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
3. 3.The minute hand of a clock turns clockwise from 9 to 4. How many degrees does it turn?
4. 4.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Straight (c) Right
5. 5.An angle measures 90°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
6. 6.Four angles meet at a point. Three of them are 90°, 90° and 60°. What is the fourth angle (in degrees)?
7. 7.Three angles together make a straight line. Two of them are 75° and 55°. What is the third angle (in degrees)?
8. 8.An angle measures 15°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
9. 9.Three angles together make a straight line. Two of them are 100° and 30°. What is the third angle (in degrees)?
10. 10.Three angles together make a straight line. Two of them are 70° and 60°. What is the third angle (in degrees)?
11. 11.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
12. 12.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
13. 13.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
14. 14.Four angles meet at a point. Three of them are 60°, 70° and 220°. What is the fourth angle (in degrees)?
15. 15.The minute hand of a clock turns clockwise from 8 to 12. How many degrees does it turn?
16. 16.Four angles meet at a point. Three of them are 80°, 70° and 50°. What is the fourth angle (in degrees)?
17. 17.An angle measures 210°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
18. 18.You face West and turn clockwise through 180°. Which direction do you face now? (a) East (b) West (c) North (d) South
19. 19.Four angles meet at a point. Three of them are 90°, 90° and 120°. What is the fourth angle (in degrees)?
20. 20.The minute hand of a clock turns clockwise from 3 to 9. How many degrees does it turn?
21. 21.Three angles together make a straight line. Two of them are 45° and 25°. What is the third angle (in degrees)?
22. 22.The minute hand of a clock turns clockwise from 8 to 2. How many degrees does it turn?
23. 23.Three angles together make a straight line. Two of them are 65° and 85°. What is the third angle (in degrees)?
24. 24.Three angles together make a straight line. Two of them are 45° and 80°. What is the third angle (in degrees)?
25. 25.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) North (c) West (d) East
26. 26.The minute hand of a clock turns clockwise from 6 to 1. How many degrees does it turn?
27. 27.Three angles together make a straight line. Two of them are 75° and 80°. What is the third angle (in degrees)?
28. 28.An angle measures 70°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
29. 29.An angle measures 30°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
30. 30.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
31. 31.The minute hand of a clock turns clockwise from 6 to 10. How many degrees does it turn?
32. 32.Three angles together make a straight line. Two of them are 50° and 40°. What is the third angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 12 to 5. How many degrees does it turn?
34. 34.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
35. 35.An angle measures 330°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
36. 36.The minute hand of a clock turns clockwise from 8 to 9. How many degrees does it turn?
37. 37.You face North and turn clockwise through 270°. Which direction do you face now? (a) South (b) West (c) East (d) North
38. 38.An angle measures 65°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
39. 39.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
40. 40.An angle measures 60°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right

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