Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 800 · 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 25°. What is the third angle (in degrees)?
2. 2.An angle measures 215°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
3. 3.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) North (c) West (d) East
4. 4.An angle measures 90°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
5. 5.Three angles together make a straight line. Two of them are 10° and 45°. What is the third angle (in degrees)?
6. 6.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) North (d) West
7. 7.Three angles together make a straight line. Two of them are 85° and 75°. What is the third angle (in degrees)?
8. 8.The minute hand of a clock turns clockwise from 10 to 5. How many degrees does it turn?
9. 9.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
10. 10.Three angles together make a straight line. Two of them are 80° and 40°. What is the third angle (in degrees)?
11. 11.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) West (c) North (d) South
12. 12.An angle measures 25°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
13. 13.The minute hand of a clock turns clockwise from 1 to 7. How many degrees does it turn?
14. 14.An angle measures 115°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
15. 15.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
16. 16.Four angles meet at a point. Three of them are 30°, 50° and 240°. What is the fourth angle (in degrees)?
17. 17.The minute hand of a clock turns clockwise from 12 to 3. How many degrees does it turn?
18. 18.The minute hand of a clock turns clockwise from 12 to 11. How many degrees does it turn?
19. 19.The minute hand of a clock turns clockwise from 1 to 5. How many degrees does it turn?
20. 20.Three angles together make a straight line. Two of them are 45° and 35°. What is the third angle (in degrees)?
21. 21.Four angles meet at a point. Three of them are 30°, 30° and 70°. What is the fourth angle (in degrees)?
22. 22.Four angles meet at a point. Three of them are 30°, 40° and 150°. What is the fourth angle (in degrees)?
23. 23.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) North (c) West (d) East
24. 24.Three angles together make a straight line. Two of them are 25° and 10°. What is the third angle (in degrees)?
25. 25.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
26. 26.The minute hand of a clock turns clockwise from 11 to 6. How many degrees does it turn?
27. 27.Three angles together make a straight line. Two of them are 20° and 15°. What is the third angle (in degrees)?
28. 28.Four angles meet at a point. Three of them are 60°, 100° and 190°. What is the fourth angle (in degrees)?
29. 29.Three angles together make a straight line. Two of them are 100° and 40°. What is the third angle (in degrees)?
30. 30.An angle measures 260°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
31. 31.The minute hand of a clock turns clockwise from 9 to 5. How many degrees does it turn?
32. 32.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
33. 33.Three angles together make a straight line. Two of them are 90° and 75°. What is the third angle (in degrees)?
34. 34.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
35. 35.The minute hand of a clock turns clockwise from 2 to 10. How many degrees does it turn?
36. 36.Three angles together make a straight line. Two of them are 45° and 25°. What is the third angle (in degrees)?
37. 37.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
38. 38.You face South and turn clockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
39. 39.Three angles together make a straight line. Two of them are 65° and 50°. What is the third angle (in degrees)?
40. 40.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute

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