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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 383 · 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.An angle measures 35°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  2. 2.You face South and turn clockwise through 90°. Which direction do you face now? (a) East (b) North (c) South (d) West
  3. 3.The minute hand of a clock turns clockwise from 6 to 5. How many degrees does it turn?
  4. 4.Three angles together make a straight line. Two of them are 95° and 40°. What is the third angle (in degrees)?
  5. 5.Four angles meet at a point. Three of them are 30°, 40° and 270°. What is the fourth angle (in degrees)?
  6. 6.Three angles together make a straight line. Two of them are 25° and 100°. What is the third angle (in degrees)?
  7. 7.The minute hand of a clock turns clockwise from 3 to 9. How many degrees does it turn?
  8. 8.The minute hand of a clock turns clockwise from 8 to 1. How many degrees does it turn?
  9. 9.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
  10. 10.Three angles together make a straight line. Two of them are 10° and 100°. What is the third angle (in degrees)?
  11. 11.An angle measures 355°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
  12. 12.You face West and turn clockwise through 270°. Which direction do you face now? (a) East (b) North (c) West (d) South
  13. 13.An angle measures 60°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
  14. 14.Three angles together make a straight line. Two of them are 80° and 70°. What is the third angle (in degrees)?
  15. 15.The minute hand of a clock turns clockwise from 8 to 9. How many degrees does it turn?
  16. 16.Three angles together make a straight line. Two of them are 35° and 30°. What is the third angle (in degrees)?
  17. 17.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  18. 18.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
  19. 19.Four angles meet at a point. Three of them are 40°, 40° and 150°. What is the fourth angle (in degrees)?
  20. 20.Four angles meet at a point. Three of them are 40°, 30° and 140°. What is the fourth angle (in degrees)?
  21. 21.Three angles together make a straight line. Two of them are 95° and 25°. What is the third angle (in degrees)?
  22. 22.An angle measures 115°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
  23. 23.An angle measures 280°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
  24. 24.The minute hand of a clock turns clockwise from 9 to 7. How many degrees does it turn?
  25. 25.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) South (c) North (d) East
  26. 26.Three angles together make a straight line. Two of them are 40° and 15°. What is the third angle (in degrees)?
  27. 27.The minute hand of a clock turns clockwise from 10 to 8. How many degrees does it turn?
  28. 28.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  29. 29.You face East and turn clockwise through 180°. Which direction do you face now? (a) West (b) North (c) East (d) South
  30. 30.An angle measures 200°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
  31. 31.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  32. 32.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  33. 33.You face West and turn clockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
  34. 34.Three angles together make a straight line. Two of them are 75° and 25°. What is the third angle (in degrees)?
  35. 35.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  36. 36.Four angles meet at a point. Three of them are 90°, 70° and 70°. What is the fourth angle (in degrees)?
  37. 37.Three angles together make a straight line. Two of them are 35° and 85°. What is the third angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 70° and 90°. What is the third angle (in degrees)?
  39. 39.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  40. 40.The minute hand of a clock turns clockwise from 1 to 6. How many degrees does it turn?

Answer key

  1. Acute
  2. West
  3. 330
  4. 45
  5. 20
  6. 55
  7. 180
  8. 150
  9. Straight
  10. 70
  11. Reflex
  12. South
  13. Acute
  14. 30
  15. 30
  16. 115
  17. 40
  18. South
  19. 130
  20. 150
  21. 60
  22. Obtuse
  23. Reflex
  24. 300
  25. East
  26. 125
  27. 300
  28. 60
  29. West
  30. Reflex
  31. Right
  32. 90
  33. East
  34. 80
  35. 15
  36. 130
  37. 60
  38. 20
  39. 45
  40. 150

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