Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 210 · 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 30° and 80°. What is the third angle (in degrees)?
2. 2.You face West and turn clockwise through 270°. Which direction do you face now? (a) South (b) North (c) East (d) West
3. 3.You face West and turn clockwise through 90°. Which direction do you face now? (a) West (b) North (c) South (d) East
4. 4.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
5. 5.An angle measures 20°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
6. 6.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
7. 7.An angle measures 5°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
8. 8.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
9. 9.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
10. 10.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
11. 11.The minute hand of a clock turns clockwise from 11 to 2. How many degrees does it turn?
12. 12.Four angles meet at a point. Three of them are 30°, 30° and 50°. What is the fourth angle (in degrees)?
13. 13.Four angles meet at a point. Three of them are 30°, 80° and 80°. What is the fourth angle (in degrees)?
14. 14.Three angles together make a straight line. Two of them are 80° and 25°. What is the third angle (in degrees)?
15. 15.Four angles meet at a point. Three of them are 70°, 40° and 80°. What is the fourth angle (in degrees)?
16. 16.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
17. 17.The minute hand of a clock turns clockwise from 4 to 1. How many degrees does it turn?
18. 18.An angle measures 45°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
19. 19.The minute hand of a clock turns clockwise from 12 to 6. How many degrees does it turn?
20. 20.Four angles meet at a point. Three of them are 90°, 50° and 90°. What is the fourth angle (in degrees)?
21. 21.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) West (c) East (d) South
22. 22.An angle measures 95°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
23. 23.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
24. 24.Four angles meet at a point. Three of them are 90°, 40° and 90°. What is the fourth angle (in degrees)?
25. 25.Three angles together make a straight line. Two of them are 30° and 20°. What is the third angle (in degrees)?
26. 26.The minute hand of a clock turns clockwise from 2 to 11. How many degrees does it turn?
27. 27.The minute hand of a clock turns clockwise from 11 to 8. How many degrees does it turn?
28. 28.Four angles meet at a point. Three of them are 30°, 100° and 150°. What is the fourth angle (in degrees)?
29. 29.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
30. 30.The minute hand of a clock turns clockwise from 8 to 3. How many degrees does it turn?
31. 31.The minute hand of a clock turns clockwise from 8 to 2. How many degrees does it turn?
32. 32.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
33. 33.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 100° and 65°. What is the third angle (in degrees)?
35. 35.An angle measures 165°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
36. 36.Four angles meet at a point. Three of them are 40°, 30° and 70°. What is the fourth angle (in degrees)?
37. 37.Four angles meet at a point. Three of them are 90°, 50° and 150°. What is the fourth angle (in degrees)?
38. 38.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) West (c) East (d) North
39. 39.The minute hand of a clock turns clockwise from 9 to 6. How many degrees does it turn?
40. 40.Four angles meet at a point. Three of them are 40°, 50° and 30°. What is the fourth angle (in degrees)?

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