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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 100 · 40 sums
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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.

NameDateTime takenScore ___ / 40
  1. 1.Three angles together make a straight line. Two of them are 95° and 50°. What is the third angle (in degrees)?
  2. 2.Four angles meet at a point. Three of them are 40°, 80° and 80°. What is the fourth angle (in degrees)?
  3. 3.Four angles meet at a point. Three of them are 90°, 30° and 200°. What is the fourth angle (in degrees)?
  4. 4.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) South (d) East
  5. 5.The minute hand of a clock turns clockwise from 8 to 10. How many degrees does it turn?
  6. 6.The minute hand of a clock turns clockwise from 9 to 4. How many degrees does it turn?
  7. 7.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  8. 8.An angle measures 25°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  9. 9.You face West and turn clockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
  10. 10.Four angles meet at a point. Three of them are 100°, 30° and 80°. What is the fourth angle (in degrees)?
  11. 11.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  12. 12.The minute hand of a clock turns clockwise from 11 to 3. How many degrees does it turn?
  13. 13.Three angles together make a straight line. Two of them are 20° and 115°. What is the third angle (in degrees)?
  14. 14.An angle measures 165°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
  15. 15.Three angles together make a straight line. Two of them are 45° and 115°. What is the third angle (in degrees)?
  16. 16.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
  17. 17.Four angles meet at a point. Three of them are 50°, 40° and 180°. What is the fourth angle (in degrees)?
  18. 18.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  19. 19.Four angles meet at a point. Three of them are 40°, 70° and 170°. What is the fourth angle (in degrees)?
  20. 20.The minute hand of a clock turns clockwise from 5 to 6. How many degrees does it turn?
  21. 21.Three angles together make a straight line. Two of them are 90° and 25°. What is the third angle (in degrees)?
  22. 22.The minute hand of a clock turns clockwise from 5 to 9. How many degrees does it turn?
  23. 23.Four angles meet at a point. Three of them are 60°, 100° and 120°. What is the fourth angle (in degrees)?
  24. 24.An angle measures 115°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
  25. 25.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  26. 26.An angle measures 5°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  27. 27.Four angles meet at a point. Three of them are 100°, 50° and 190°. What is the fourth angle (in degrees)?
  28. 28.The minute hand of a clock turns clockwise from 2 to 4. How many degrees does it turn?
  29. 29.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  30. 30.An angle measures 95°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  31. 31.Four angles meet at a point. Three of them are 90°, 80° and 170°. What is the fourth angle (in degrees)?
  32. 32.You face West and turn clockwise through 180°. Which direction do you face now? (a) West (b) South (c) North (d) East
  33. 33.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  34. 34.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  35. 35.You face East and turn clockwise through 270°. Which direction do you face now? (a) East (b) West (c) North (d) South
  36. 36.An angle measures 340°. What kind of angle is it? (a) Straight (b) Right (c) Reflex
  37. 37.The minute hand of a clock turns clockwise from 3 to 8. How many degrees does it turn?
  38. 38.The minute hand of a clock turns clockwise from 3 to 4. How many degrees does it turn?
  39. 39.You face South and turn clockwise through 180°. Which direction do you face now? (a) South (b) North (c) West (d) East
  40. 40.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?

Answer key

  1. 35
  2. 160
  3. 40
  4. North
  5. 60
  6. 210
  7. Straight
  8. Acute
  9. North
  10. 150
  11. 90
  12. 120
  13. 45
  14. Obtuse
  15. 20
  16. Right
  17. 90
  18. 45
  19. 80
  20. 30
  21. 65
  22. 120
  23. 80
  24. Obtuse
  25. 60
  26. Acute
  27. 20
  28. 60
  29. 40
  30. Obtuse
  31. 20
  32. East
  33. 15
  34. 90
  35. North
  36. Reflex
  37. 150
  38. 30
  39. North
  40. 20

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