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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 169 · 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 60° and 25°. What is the third angle (in degrees)?
  2. 2.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
  3. 3.The minute hand of a clock turns clockwise from 10 to 8. How many degrees does it turn?
  4. 4.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  5. 5.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  6. 6.An angle measures 20°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  7. 7.Three angles together make a straight line. Two of them are 95° and 65°. What is the third angle (in degrees)?
  8. 8.Three angles together make a straight line. Two of them are 10° and 95°. What is the third angle (in degrees)?
  9. 9.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) North (c) West (d) East
  10. 10.The minute hand of a clock turns clockwise from 11 to 6. How many degrees does it turn?
  11. 11.You face West and turn clockwise through 90°. Which direction do you face now? (a) South (b) West (c) North (d) East
  12. 12.The minute hand of a clock turns clockwise from 4 to 12. How many degrees does it turn?
  13. 13.An angle measures 295°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
  14. 14.An angle measures 125°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
  15. 15.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  16. 16.Four angles meet at a point. Three of them are 80°, 30° and 70°. What is the fourth angle (in degrees)?
  17. 17.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) West (d) South
  18. 18.An angle measures 80°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  19. 19.You face South and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
  20. 20.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
  21. 21.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  22. 22.You face West and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) West (d) North
  23. 23.Three angles together make a straight line. Two of them are 50° and 45°. What is the third angle (in degrees)?
  24. 24.Four angles meet at a point. Three of them are 50°, 100° and 180°. What is the fourth angle (in degrees)?
  25. 25.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  26. 26.The minute hand of a clock turns clockwise from 2 to 12. How many degrees does it turn?
  27. 27.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  28. 28.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  29. 29.Three angles together make a straight line. Two of them are 100° and 45°. What is the third angle (in degrees)?
  30. 30.The minute hand of a clock turns clockwise from 8 to 9. How many degrees does it turn?
  31. 31.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) South (c) West (d) East
  32. 32.Four angles meet at a point. Three of them are 100°, 90° and 50°. What is the fourth angle (in degrees)?
  33. 33.Three angles together make a straight line. Two of them are 35° and 65°. What is the third angle (in degrees)?
  34. 34.The minute hand of a clock turns clockwise from 5 to 7. How many degrees does it turn?
  35. 35.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
  36. 36.An angle measures 35°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  37. 37.An angle measures 140°. What kind of angle is it? (a) Reflex (b) Straight (c) Obtuse
  38. 38.Four angles meet at a point. Three of them are 70°, 60° and 110°. What is the fourth angle (in degrees)?
  39. 39.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  40. 40.An angle measures 110°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse

Answer key

  1. 95
  2. 90
  3. 300
  4. 20
  5. Right
  6. Acute
  7. 20
  8. 75
  9. South
  10. 210
  11. North
  12. 240
  13. Reflex
  14. Obtuse
  15. 45
  16. 180
  17. South
  18. Acute
  19. West
  20. 30
  21. 36
  22. South
  23. 85
  24. 30
  25. 45
  26. 300
  27. 90
  28. 72
  29. 35
  30. 30
  31. East
  32. 120
  33. 80
  34. 60
  35. 90
  36. Acute
  37. Obtuse
  38. 120
  39. 60
  40. Obtuse

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