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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 236 · 40 sums
TalentJR

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.

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  1. 1.An angle measures 20°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  2. 2.You face West and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) North (d) East
  3. 3.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) North (c) South (d) West
  4. 4.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
  5. 5.The minute hand of a clock turns clockwise from 11 to 8. How many degrees does it turn?
  6. 6.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) North (d) East
  7. 7.Three angles together make a straight line. Two of them are 15° and 15°. What is the third angle (in degrees)?
  8. 8.Four angles meet at a point. Three of them are 30°, 30° and 60°. What is the fourth angle (in degrees)?
  9. 9.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  10. 10.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
  11. 11.Three angles together make a straight line. Two of them are 25° and 85°. What is the third angle (in degrees)?
  12. 12.Four angles meet at a point. Three of them are 70°, 100° and 110°. What is the fourth angle (in degrees)?
  13. 13.Three angles together make a straight line. Two of them are 50° and 35°. What is the third angle (in degrees)?
  14. 14.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
  15. 15.Three angles together make a straight line. Two of them are 85° and 35°. What is the third angle (in degrees)?
  16. 16.The minute hand of a clock turns clockwise from 11 to 9. How many degrees does it turn?
  17. 17.Three angles together make a straight line. Two of them are 85° and 45°. What is the third angle (in degrees)?
  18. 18.Three angles together make a straight line. Two of them are 35° and 130°. What is the third angle (in degrees)?
  19. 19.The minute hand of a clock turns clockwise from 4 to 5. How many degrees does it turn?
  20. 20.The minute hand of a clock turns clockwise from 6 to 12. How many degrees does it turn?
  21. 21.Three angles together make a straight line. Two of them are 85° and 70°. What is the third angle (in degrees)?
  22. 22.Three angles together make a straight line. Two of them are 45° and 35°. What is the third angle (in degrees)?
  23. 23.Four angles meet at a point. Three of them are 90°, 30° and 150°. What is the fourth angle (in degrees)?
  24. 24.An angle measures 60°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
  25. 25.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) North (c) South (d) West
  26. 26.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
  27. 27.Four angles meet at a point. Three of them are 50°, 70° and 80°. What is the fourth angle (in degrees)?
  28. 28.Four angles meet at a point. Three of them are 80°, 100° and 170°. What is the fourth angle (in degrees)?
  29. 29.Four angles meet at a point. Three of them are 50°, 60° and 220°. What is the fourth angle (in degrees)?
  30. 30.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  31. 31.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  32. 32.An angle measures 90°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
  33. 33.Three angles together make a straight line. Two of them are 90° and 65°. What is the third angle (in degrees)?
  34. 34.You face North and turn clockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
  35. 35.Three angles together make a straight line. Two of them are 20° and 105°. What is the third angle (in degrees)?
  36. 36.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  37. 37.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) East (c) South (d) West
  38. 38.Three angles together make a straight line. Two of them are 25° and 70°. What is the third angle (in degrees)?
  39. 39.The minute hand of a clock turns clockwise from 6 to 7. How many degrees does it turn?
  40. 40.Four angles meet at a point. Three of them are 60°, 80° and 110°. What is the fourth angle (in degrees)?

Answer key

  1. Acute
  2. South
  3. West
  4. South
  5. 270
  6. West
  7. 150
  8. 240
  9. 30
  10. North
  11. 70
  12. 80
  13. 95
  14. East
  15. 60
  16. 300
  17. 50
  18. 15
  19. 30
  20. 180
  21. 25
  22. 100
  23. 90
  24. Acute
  25. West
  26. North
  27. 160
  28. 10
  29. 30
  30. 36
  31. Straight
  32. Right
  33. 25
  34. East
  35. 55
  36. 45
  37. West
  38. 85
  39. 30
  40. 110

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