Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 415 · 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 20° and 25°. What is the third angle (in degrees)?
2. 2.Three angles together make a straight line. Two of them are 50° and 15°. What is the third angle (in degrees)?
3. 3.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Reflex
4. 4.The minute hand of a clock turns clockwise from 5 to 9. How many degrees does it turn?
5. 5.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) South (d) West
6. 6.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
7. 7.An angle measures 260°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
8. 8.The minute hand of a clock turns clockwise from 2 to 4. How many degrees does it turn?
9. 9.The minute hand of a clock turns clockwise from 1 to 10. How many degrees does it turn?
10. 10.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
11. 11.An angle measures 310°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
12. 12.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) North (d) East
13. 13.Three angles together make a straight line. Two of them are 15° and 85°. What is the third angle (in degrees)?
14. 14.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
15. 15.You face West and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
16. 16.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
17. 17.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
18. 18.An angle measures 110°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
19. 19.The minute hand of a clock turns clockwise from 10 to 12. How many degrees does it turn?
20. 20.The minute hand of a clock turns clockwise from 2 to 5. How many degrees does it turn?
21. 21.An angle measures 190°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
22. 22.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
23. 23.Four angles meet at a point. Three of them are 50°, 70° and 190°. What is the fourth angle (in degrees)?
24. 24.Four angles meet at a point. Three of them are 50°, 40° and 90°. What is the fourth angle (in degrees)?
25. 25.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
26. 26.An angle measures 165°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
27. 27.You face East and turn clockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
28. 28.The minute hand of a clock turns clockwise from 3 to 2. How many degrees does it turn?
29. 29.Three angles together make a straight line. Two of them are 40° and 130°. What is the third angle (in degrees)?
30. 30.Four angles meet at a point. Three of them are 90°, 90° and 70°. What is the fourth angle (in degrees)?
31. 31.You face North and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
32. 32.An angle measures 235°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
33. 33.The minute hand of a clock turns clockwise from 9 to 8. How many degrees does it turn?
34. 34.Three angles together make a straight line. Two of them are 15° and 45°. What is the third angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 100° and 50°. What is the third angle (in degrees)?
36. 36.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) East (c) South (d) North
37. 37.Three angles together make a straight line. Two of them are 25° and 15°. What is the third angle (in degrees)?
38. 38.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
39. 39.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
40. 40.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South

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