Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 996 · 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.Four angles meet at a point. Three of them are 40°, 70° and 90°. What is the fourth angle (in degrees)?
2. 2.You face East and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
3. 3.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
4. 4.The minute hand of a clock turns clockwise from 6 to 10. How many degrees does it turn?
5. 5.Three angles together make a straight line. Two of them are 80° and 15°. What is the third angle (in degrees)?
6. 6.Three angles together make a straight line. Two of them are 10° and 30°. What is the third angle (in degrees)?
7. 7.Four angles meet at a point. Three of them are 30°, 30° and 140°. What is the fourth angle (in degrees)?
8. 8.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
9. 9.Three angles together make a straight line. Two of them are 20° and 85°. What is the third angle (in degrees)?
10. 10.An angle measures 315°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
11. 11.The minute hand of a clock turns clockwise from 10 to 8. How many degrees does it turn?
12. 12.The minute hand of a clock turns clockwise from 4 to 8. How many degrees does it turn?
13. 13.Three angles together make a straight line. Two of them are 65° and 10°. What is the third angle (in degrees)?
14. 14.An angle measures 335°. What kind of angle is it? (a) Straight (b) Right (c) Reflex
15. 15.Four angles meet at a point. Three of them are 100°, 90° and 50°. What is the fourth angle (in degrees)?
16. 16.Four angles meet at a point. Three of them are 40°, 30° and 80°. What is the fourth angle (in degrees)?
17. 17.Four angles meet at a point. Three of them are 100°, 80° and 90°. What is the fourth angle (in degrees)?
18. 18.You face North and turn clockwise through 180°. Which direction do you face now? (a) North (b) West (c) South (d) East
19. 19.Four angles meet at a point. Three of them are 40°, 50° and 150°. What is the fourth angle (in degrees)?
20. 20.An angle measures 30°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
21. 21.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Right
22. 22.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
23. 23.The minute hand of a clock turns clockwise from 3 to 9. How many degrees does it turn?
24. 24.Three angles together make a straight line. Two of them are 95° and 60°. What is the third angle (in degrees)?
25. 25.Four angles meet at a point. Three of them are 90°, 80° and 70°. What is the fourth angle (in degrees)?
26. 26.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
27. 27.Three angles together make a straight line. Two of them are 30° and 60°. What is the third angle (in degrees)?
28. 28.You face South and turn clockwise through 270°. Which direction do you face now? (a) North (b) South (c) West (d) East
29. 29.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
30. 30.An angle measures 135°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
31. 31.The minute hand of a clock turns clockwise from 12 to 8. How many degrees does it turn?
32. 32.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
33. 33.Three angles together make a straight line. Two of them are 10° and 65°. What is the third angle (in degrees)?
34. 34.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
35. 35.Three angles together make a straight line. Two of them are 50° and 15°. What is the third angle (in degrees)?
36. 36.An angle measures 340°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
37. 37.Three angles together make a straight line. Two of them are 10° and 145°. What is the third angle (in degrees)?
38. 38.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
39. 39.The minute hand of a clock turns clockwise from 5 to 10. How many degrees does it turn?
40. 40.The minute hand of a clock turns clockwise from 5 to 4. How many degrees does it turn?

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