Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 216 · 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.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
2. 2.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
3. 3.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) South (d) West
4. 4.You face East and turn clockwise through 90°. Which direction do you face now? (a) West (b) North (c) East (d) South
5. 5.Three angles together make a straight line. Two of them are 100° and 55°. What is the third angle (in degrees)?
6. 6.An angle measures 140°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
7. 7.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
8. 8.An angle measures 320°. What kind of angle is it? (a) Straight (b) Right (c) Reflex
9. 9.Three angles together make a straight line. Two of them are 60° and 100°. What is the third angle (in degrees)?
10. 10.Three angles together make a straight line. Two of them are 40° and 125°. What is the third angle (in degrees)?
11. 11.The minute hand of a clock turns clockwise from 9 to 11. How many degrees does it turn?
12. 12.An angle measures 90°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
13. 13.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
14. 14.The minute hand of a clock turns clockwise from 1 to 3. How many degrees does it turn?
15. 15.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
16. 16.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 80°, 40° and 50°. What is the fourth angle (in degrees)?
18. 18.Three angles together make a straight line. Two of them are 40° and 35°. What is the third angle (in degrees)?
19. 19.Four angles meet at a point. Three of them are 90°, 60° and 180°. What is the fourth angle (in degrees)?
20. 20.An angle measures 25°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
21. 21.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
22. 22.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) South (c) West (d) North
23. 23.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
24. 24.Four angles meet at a point. Three of them are 100°, 80° and 170°. What is the fourth angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 65° and 85°. What is the third angle (in degrees)?
26. 26.The minute hand of a clock turns clockwise from 10 to 2. How many degrees does it turn?
27. 27.An angle measures 30°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
28. 28.Four angles meet at a point. Three of them are 90°, 40° and 70°. What is the fourth angle (in degrees)?
29. 29.Three angles together make a straight line. Two of them are 75° and 65°. What is the third angle (in degrees)?
30. 30.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
31. 31.You face South and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
32. 32.The minute hand of a clock turns clockwise from 3 to 1. How many degrees does it turn?
33. 33.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
34. 34.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
35. 35.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
36. 36.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) West (c) North (d) East
37. 37.The minute hand of a clock turns clockwise from 4 to 8. How many degrees does it turn?
38. 38.Four angles meet at a point. Three of them are 60°, 40° and 120°. What is the fourth angle (in degrees)?
39. 39.The minute hand of a clock turns clockwise from 2 to 9. How many degrees does it turn?
40. 40.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) North (c) East (d) West

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