Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 721 · 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 15° and 50°. What is the third angle (in degrees)?
2. 2.Four angles meet at a point. Three of them are 100°, 100° and 40°. What is the fourth angle (in degrees)?
3. 3.Three angles together make a straight line. Two of them are 20° and 65°. What is the third angle (in degrees)?
4. 4.Four angles meet at a point. Three of them are 30°, 50° and 210°. What is the fourth angle (in degrees)?
5. 5.Four angles meet at a point. Three of them are 70°, 90° and 30°. What is the fourth angle (in degrees)?
6. 6.The minute hand of a clock turns clockwise from 1 to 2. How many degrees does it turn?
7. 7.The minute hand of a clock turns clockwise from 12 to 11. How many degrees does it turn?
8. 8.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
9. 9.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
10. 10.You face West and turn clockwise through 90°. Which direction do you face now? (a) West (b) North (c) South (d) East
11. 11.The minute hand of a clock turns clockwise from 7 to 10. How many degrees does it turn?
12. 12.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
13. 13.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
14. 14.Four angles meet at a point. Three of them are 70°, 30° and 140°. What is the fourth angle (in degrees)?
15. 15.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
16. 16.The minute hand of a clock turns clockwise from 12 to 4. How many degrees does it turn?
17. 17.Four angles meet at a point. Three of them are 60°, 50° and 150°. What is the fourth angle (in degrees)?
18. 18.An angle measures 105°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
19. 19.The minute hand of a clock turns clockwise from 9 to 7. How many degrees does it turn?
20. 20.An angle measures 135°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
21. 21.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) North (c) East (d) West
22. 22.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
23. 23.Four angles meet at a point. Three of them are 30°, 70° and 190°. What is the fourth angle (in degrees)?
24. 24.Three angles together make a straight line. Two of them are 35° and 125°. What is the third angle (in degrees)?
25. 25.Four angles meet at a point. Three of them are 40°, 30° and 230°. What is the fourth angle (in degrees)?
26. 26.An angle measures 90°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
27. 27.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
28. 28.The minute hand of a clock turns clockwise from 2 to 7. How many degrees does it turn?
29. 29.You face South and turn clockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
30. 30.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
31. 31.Four angles meet at a point. Three of them are 100°, 80° and 50°. What is the fourth angle (in degrees)?
32. 32.Four angles meet at a point. Three of them are 30°, 90° and 30°. What is the fourth angle (in degrees)?
33. 33.The minute hand of a clock turns clockwise from 8 to 1. How many degrees does it turn?
34. 34.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
35. 35.Four angles meet at a point. Three of them are 90°, 80° and 100°. What is the fourth angle (in degrees)?
36. 36.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) North (c) West (d) East
37. 37.Three angles together make a straight line. Two of them are 40° and 125°. What is the third angle (in degrees)?
38. 38.Four angles meet at a point. Three of them are 60°, 50° and 120°. What is the fourth angle (in degrees)?
39. 39.Four angles meet at a point. Three of them are 100°, 90° and 60°. What is the fourth angle (in degrees)?
40. 40.You face East and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West

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