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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 331 · 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.The minute hand of a clock turns clockwise from 4 to 7. How many degrees does it turn?
  2. 2.Four angles meet at a point. Three of them are 70°, 100° and 130°. What is the fourth angle (in degrees)?
  3. 3.Four angles meet at a point. Three of them are 30°, 30° and 250°. What is the fourth angle (in degrees)?
  4. 4.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  5. 5.An angle measures 25°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  6. 6.Four angles meet at a point. Three of them are 60°, 40° and 80°. What is the fourth angle (in degrees)?
  7. 7.Three angles together make a straight line. Two of them are 65° and 10°. What is the third angle (in degrees)?
  8. 8.Three angles together make a straight line. Two of them are 40° and 100°. What is the third angle (in degrees)?
  9. 9.An angle measures 75°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  10. 10.The minute hand of a clock turns clockwise from 7 to 11. How many degrees does it turn?
  11. 11.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  12. 12.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  13. 13.Three angles together make a straight line. Two of them are 65° and 70°. What is the third angle (in degrees)?
  14. 14.Three angles together make a straight line. Two of them are 10° and 35°. What is the third angle (in degrees)?
  15. 15.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  16. 16.The minute hand of a clock turns clockwise from 1 to 2. How many degrees does it turn?
  17. 17.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  18. 18.An angle measures 185°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
  19. 19.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) South (c) North (d) East
  20. 20.Four angles meet at a point. Three of them are 30°, 30° and 270°. What is the fourth angle (in degrees)?
  21. 21.Three angles together make a straight line. Two of them are 35° and 10°. What is the third angle (in degrees)?
  22. 22.The minute hand of a clock turns clockwise from 5 to 12. How many degrees does it turn?
  23. 23.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) South (c) North (d) East
  24. 24.Three angles together make a straight line. Two of them are 10° and 155°. What is the third angle (in degrees)?
  25. 25.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) South (c) North (d) West
  26. 26.Three angles together make a straight line. Two of them are 10° and 80°. What is the third angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 60° and 55°. What is the third angle (in degrees)?
  28. 28.The minute hand of a clock turns clockwise from 1 to 10. How many degrees does it turn?
  29. 29.The minute hand of a clock turns clockwise from 4 to 2. How many degrees does it turn?
  30. 30.Four angles meet at a point. Three of them are 60°, 70° and 200°. What is the fourth angle (in degrees)?
  31. 31.Four angles meet at a point. Three of them are 80°, 60° and 100°. What is the fourth angle (in degrees)?
  32. 32.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
  33. 33.The minute hand of a clock turns clockwise from 8 to 9. How many degrees does it turn?
  34. 34.Four angles meet at a point. Three of them are 90°, 80° and 30°. What is the fourth angle (in degrees)?
  35. 35.Three angles together make a straight line. Two of them are 90° and 80°. What is the third angle (in degrees)?
  36. 36.An angle measures 20°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  37. 37.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 30° and 40°. What is the third angle (in degrees)?
  39. 39.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  40. 40.Three angles together make a straight line. Two of them are 15° and 15°. What is the third angle (in degrees)?

Answer key

  1. 90
  2. 60
  3. 50
  4. Straight
  5. Acute
  6. 180
  7. 105
  8. 40
  9. Acute
  10. 120
  11. 120
  12. Right
  13. 45
  14. 135
  15. 60
  16. 30
  17. 15
  18. Reflex
  19. South
  20. 30
  21. 135
  22. 210
  23. North
  24. 15
  25. West
  26. 90
  27. 65
  28. 270
  29. 300
  30. 30
  31. 120
  32. West
  33. 30
  34. 160
  35. 10
  36. Acute
  37. 40
  38. 110
  39. 72
  40. 150

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