Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 375 · 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 80° and 50°. What is the third angle (in degrees)?
2. 2.Four angles meet at a point. Three of them are 30°, 50° and 120°. What is the fourth angle (in degrees)?
3. 3.An angle measures 45°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
4. 4.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) West (d) South
5. 5.Three angles together make a straight line. Two of them are 55° and 95°. What is the third angle (in degrees)?
6. 6.Four angles meet at a point. Three of them are 30°, 30° and 110°. What is the fourth angle (in degrees)?
7. 7.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
8. 8.An angle measures 270°. What kind of angle is it? (a) Obtuse (b) Straight (c) Reflex
9. 9.An angle measures 275°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
10. 10.Three angles together make a straight line. Two of them are 25° and 25°. What is the third angle (in degrees)?
11. 11.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
12. 12.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
13. 13.You face South and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) South (d) West
14. 14.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
15. 15.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
16. 16.An angle measures 5°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
17. 17.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
18. 18.The minute hand of a clock turns clockwise from 11 to 9. How many degrees does it turn?
19. 19.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) South (c) North (d) East
20. 20.Three angles together make a straight line. Two of them are 15° and 100°. What is the third angle (in degrees)?
21. 21.You face East and turn clockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
22. 22.The minute hand of a clock turns clockwise from 12 to 6. How many degrees does it turn?
23. 23.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
24. 24.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
25. 25.The minute hand of a clock turns clockwise from 8 to 2. How many degrees does it turn?
26. 26.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
27. 27.Three angles together make a straight line. Two of them are 40° and 25°. What is the third angle (in degrees)?
28. 28.Four angles meet at a point. Three of them are 60°, 100° and 40°. What is the fourth angle (in degrees)?
29. 29.An angle measures 130°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
30. 30.Three angles together make a straight line. Two of them are 90° and 65°. What is the third angle (in degrees)?
31. 31.An angle measures 30°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
32. 32.Four angles meet at a point. Three of them are 90°, 50° and 120°. What is the fourth angle (in degrees)?
33. 33.Three angles together make a straight line. Two of them are 70° and 80°. What is the third angle (in degrees)?
34. 34.Three angles together make a straight line. Two of them are 55° and 80°. What is the third angle (in degrees)?
35. 35.An angle measures 310°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
36. 36.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
37. 37.The minute hand of a clock turns clockwise from 5 to 2. How many degrees does it turn?
38. 38.Three angles together make a straight line. Two of them are 35° and 10°. What is the third angle (in degrees)?
39. 39.The minute hand of a clock turns clockwise from 11 to 12. How many degrees does it turn?
40. 40.An angle measures 50°. What kind of angle is it? (a) Acute (b) Straight (c) Right

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