Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 296 · 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 65° and 30°. What is the third angle (in degrees)?
2. 2.You face North and turn clockwise through 270°. Which direction do you face now? (a) North (b) East (c) West (d) South
3. 3.Four angles meet at a point. Three of them are 90°, 50° and 60°. What is the fourth angle (in degrees)?
4. 4.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Reflex
5. 5.The minute hand of a clock turns clockwise from 7 to 1. How many degrees does it turn?
6. 6.Three angles together make a straight line. Two of them are 100° and 55°. What is the third angle (in degrees)?
7. 7.Three angles together make a straight line. Two of them are 45° and 20°. What is the third angle (in degrees)?
8. 8.The minute hand of a clock turns clockwise from 12 to 3. How many degrees does it turn?
9. 9.Three angles together make a straight line. Two of them are 30° and 60°. What is the third angle (in degrees)?
10. 10.Three angles together make a straight line. Two of them are 60° and 10°. What is the third angle (in degrees)?
11. 11.Three angles together make a straight line. Two of them are 75° and 80°. What is the third angle (in degrees)?
12. 12.Four angles meet at a point. Three of them are 30°, 70° and 140°. What is the fourth angle (in degrees)?
13. 13.An angle measures 180°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
14. 14.Four angles meet at a point. Three of them are 40°, 60° and 150°. What is the fourth angle (in degrees)?
15. 15.The minute hand of a clock turns clockwise from 5 to 4. How many degrees does it turn?
16. 16.An angle measures 265°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
17. 17.An angle measures 20°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
18. 18.The minute hand of a clock turns clockwise from 3 to 11. How many degrees does it turn?
19. 19.Three angles together make a straight line. Two of them are 90° and 80°. What is the third angle (in degrees)?
20. 20.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
21. 21.Three angles together make a straight line. Two of them are 55° and 20°. What is the third angle (in degrees)?
22. 22.An angle measures 70°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
23. 23.The minute hand of a clock turns clockwise from 2 to 9. How many degrees does it turn?
24. 24.Four angles meet at a point. Three of them are 70°, 30° and 40°. What is the fourth angle (in degrees)?
25. 25.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
26. 26.The minute hand of a clock turns clockwise from 8 to 1. How many degrees does it turn?
27. 27.An angle measures 270°. What kind of angle is it? (a) Obtuse (b) Straight (c) Reflex
28. 28.The minute hand of a clock turns clockwise from 9 to 11. How many degrees does it turn?
29. 29.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
30. 30.Three angles together make a straight line. Two of them are 85° and 85°. What is the third angle (in degrees)?
31. 31.Three angles together make a straight line. Two of them are 90° and 75°. What is the third angle (in degrees)?
32. 32.Four angles meet at a point. Three of them are 80°, 40° and 200°. What is the fourth angle (in degrees)?
33. 33.Four angles meet at a point. Three of them are 40°, 80° and 30°. What is the fourth angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 55° and 115°. What is the third angle (in degrees)?
35. 35.Four angles meet at a point. Three of them are 40°, 90° and 100°. What is the fourth angle (in degrees)?
36. 36.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
37. 37.Three angles together make a straight line. Two of them are 35° and 45°. What is the third angle (in degrees)?
38. 38.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
39. 39.You face West and turn clockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
40. 40.Three angles together make a straight line. Two of them are 10° and 65°. What is the third angle (in degrees)?

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