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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 737 · 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 30°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  2. 2.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  3. 3.An angle measures 45°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  4. 4.Four angles meet at a point. Three of them are 60°, 100° and 150°. What is the fourth angle (in degrees)?
  5. 5.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
  6. 6.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  7. 7.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  8. 8.Three angles together make a straight line. Two of them are 15° and 150°. What is the third angle (in degrees)?
  9. 9.The minute hand of a clock turns clockwise from 2 to 4. How many degrees does it turn?
  10. 10.You face South and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
  11. 11.The minute hand of a clock turns clockwise from 2 to 1. How many degrees does it turn?
  12. 12.Three angles together make a straight line. Two of them are 65° and 15°. What is the third angle (in degrees)?
  13. 13.Three angles together make a straight line. Two of them are 55° and 45°. What is the third angle (in degrees)?
  14. 14.Four angles meet at a point. Three of them are 100°, 70° and 110°. What is the fourth angle (in degrees)?
  15. 15.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  16. 16.Three angles together make a straight line. Two of them are 55° and 100°. What is the third angle (in degrees)?
  17. 17.An angle measures 90°. What kind of angle is it? (a) Straight (b) Reflex (c) Right
  18. 18.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
  19. 19.Three angles together make a straight line. Two of them are 45° and 20°. What is the third angle (in degrees)?
  20. 20.Four angles meet at a point. Three of them are 90°, 50° and 40°. What is the fourth angle (in degrees)?
  21. 21.Three angles together make a straight line. Two of them are 60° and 35°. What is the third angle (in degrees)?
  22. 22.Four angles meet at a point. Three of them are 30°, 100° and 190°. What is the fourth angle (in degrees)?
  23. 23.Three angles together make a straight line. Two of them are 20° and 85°. What is the third angle (in degrees)?
  24. 24.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  25. 25.Three angles together make a straight line. Two of them are 90° and 35°. What is the third angle (in degrees)?
  26. 26.The minute hand of a clock turns clockwise from 12 to 3. How many degrees does it turn?
  27. 27.Four angles meet at a point. Three of them are 50°, 90° and 160°. What is the fourth angle (in degrees)?
  28. 28.Three angles together make a straight line. Two of them are 90° and 60°. What is the third angle (in degrees)?
  29. 29.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) West (c) North (d) South
  30. 30.Four angles meet at a point. Three of them are 60°, 70° and 190°. What is the fourth angle (in degrees)?
  31. 31.An angle measures 275°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
  32. 32.The minute hand of a clock turns clockwise from 12 to 11. How many degrees does it turn?
  33. 33.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
  34. 34.Four angles meet at a point. Three of them are 90°, 40° and 30°. What is the fourth angle (in degrees)?
  35. 35.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) West (c) East (d) North
  36. 36.The minute hand of a clock turns clockwise from 4 to 1. How many degrees does it turn?
  37. 37.The minute hand of a clock turns clockwise from 3 to 4. How many degrees does it turn?
  38. 38.The minute hand of a clock turns clockwise from 6 to 3. How many degrees does it turn?
  39. 39.Three angles together make a straight line. Two of them are 35° and 115°. What is the third angle (in degrees)?
  40. 40.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?

Answer key

  1. Acute
  2. 60
  3. Acute
  4. 50
  5. South
  6. 120
  7. 60
  8. 15
  9. 60
  10. West
  11. 330
  12. 100
  13. 80
  14. 80
  15. 15
  16. 25
  17. Right
  18. North
  19. 115
  20. 180
  21. 85
  22. 40
  23. 75
  24. 72
  25. 55
  26. 90
  27. 60
  28. 30
  29. South
  30. 40
  31. Reflex
  32. 330
  33. Straight
  34. 200
  35. South
  36. 270
  37. 30
  38. 270
  39. 30
  40. 36

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