Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 256 · 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 100°, 90° and 80°. What is the fourth angle (in degrees)?
2. 2.Four angles meet at a point. Three of them are 90°, 40° and 140°. What is the fourth angle (in degrees)?
3. 3.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
4. 4.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
5. 5.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
6. 6.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
7. 7.The minute hand of a clock turns clockwise from 12 to 6. How many degrees does it turn?
8. 8.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) West (d) South
9. 9.Four angles meet at a point. Three of them are 60°, 50° and 140°. What is the fourth angle (in degrees)?
10. 10.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
11. 11.An angle measures 80°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
12. 12.An angle measures 30°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
13. 13.Four angles meet at a point. Three of them are 100°, 60° and 180°. What is the fourth angle (in degrees)?
14. 14.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
15. 15.Four angles meet at a point. Three of them are 60°, 60° and 50°. What is the fourth angle (in degrees)?
16. 16.An angle measures 35°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
17. 17.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
18. 18.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
19. 19.An angle measures 135°. What kind of angle is it? (a) Right (b) Reflex (c) Obtuse
20. 20.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
21. 21.Three angles together make a straight line. Two of them are 75° and 65°. What is the third angle (in degrees)?
22. 22.The minute hand of a clock turns clockwise from 9 to 3. How many degrees does it turn?
23. 23.You face South and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
24. 24.Three angles together make a straight line. Two of them are 100° and 15°. What is the third angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 20° and 25°. What is the third angle (in degrees)?
26. 26.Three angles together make a straight line. Two of them are 80° and 40°. What is the third angle (in degrees)?
27. 27.An angle measures 10°. What kind of angle is it? (a) Acute (b) Reflex (c) Straight
28. 28.Four angles meet at a point. Three of them are 30°, 100° and 100°. What is the fourth angle (in degrees)?
29. 29.The minute hand of a clock turns clockwise from 1 to 9. How many degrees does it turn?
30. 30.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) North (c) West (d) South
31. 31.The minute hand of a clock turns clockwise from 7 to 11. How many degrees does it turn?
32. 32.Four angles meet at a point. Three of them are 30°, 40° and 90°. What is the fourth angle (in degrees)?
33. 33.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
34. 34.You face East and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
35. 35.Four angles meet at a point. Three of them are 60°, 50° and 30°. What is the fourth angle (in degrees)?
36. 36.The minute hand of a clock turns clockwise from 4 to 3. How many degrees does it turn?
37. 37.Four angles meet at a point. Three of them are 30°, 70° and 40°. What is the fourth angle (in degrees)?
38. 38.Three angles together make a straight line. Two of them are 25° and 40°. What is the third angle (in degrees)?
39. 39.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) West (c) East (d) South
40. 40.The minute hand of a clock turns clockwise from 11 to 8. How many degrees does it turn?

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