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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 669 · 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.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) West (c) South (d) North
  2. 2.The minute hand of a clock turns clockwise from 2 to 1. How many degrees does it turn?
  3. 3.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  4. 4.An angle measures 225°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
  5. 5.An angle measures 80°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  6. 6.An angle measures 290°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
  7. 7.Four angles meet at a point. Three of them are 80°, 100° and 170°. What is the fourth angle (in degrees)?
  8. 8.An angle measures 60°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
  9. 9.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
  10. 10.You face West and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
  11. 11.Three angles together make a straight line. Two of them are 95° and 70°. What is the third angle (in degrees)?
  12. 12.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) North (c) East (d) South
  13. 13.Three angles together make a straight line. Two of them are 90° and 40°. What is the third angle (in degrees)?
  14. 14.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) North (c) East (d) West
  15. 15.Three angles together make a straight line. Two of them are 85° and 35°. What is the third angle (in degrees)?
  16. 16.Three angles together make a straight line. Two of them are 65° and 55°. What is the third angle (in degrees)?
  17. 17.Four angles meet at a point. Three of them are 50°, 50° and 50°. What is the fourth angle (in degrees)?
  18. 18.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  19. 19.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  20. 20.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  21. 21.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
  22. 22.An angle measures 100°. What kind of angle is it? (a) Right (b) Obtuse (c) Reflex
  23. 23.The minute hand of a clock turns clockwise from 7 to 4. How many degrees does it turn?
  24. 24.The minute hand of a clock turns clockwise from 2 to 10. How many degrees does it turn?
  25. 25.An angle measures 295°. What kind of angle is it? (a) Right (b) Obtuse (c) Reflex
  26. 26.An angle measures 205°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
  27. 27.Three angles together make a straight line. Two of them are 20° and 130°. What is the third angle (in degrees)?
  28. 28.The minute hand of a clock turns clockwise from 11 to 3. How many degrees does it turn?
  29. 29.The minute hand of a clock turns clockwise from 8 to 3. How many degrees does it turn?
  30. 30.The minute hand of a clock turns clockwise from 9 to 12. How many degrees does it turn?
  31. 31.Four angles meet at a point. Three of them are 80°, 80° and 80°. What is the fourth angle (in degrees)?
  32. 32.An angle measures 265°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
  33. 33.Four angles meet at a point. Three of them are 40°, 40° and 70°. What is the fourth angle (in degrees)?
  34. 34.Four angles meet at a point. Three of them are 50°, 90° and 130°. What is the fourth angle (in degrees)?
  35. 35.Three angles together make a straight line. Two of them are 80° and 50°. What is the third angle (in degrees)?
  36. 36.Four angles meet at a point. Three of them are 40°, 40° and 60°. What is the fourth angle (in degrees)?
  37. 37.Three angles together make a straight line. Two of them are 70° and 65°. What is the third angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 65° and 20°. What is the third angle (in degrees)?
  39. 39.Four angles meet at a point. Three of them are 60°, 80° and 210°. What is the fourth angle (in degrees)?
  40. 40.The minute hand of a clock turns clockwise from 12 to 11. How many degrees does it turn?

Answer key

  1. East
  2. 330
  3. 40
  4. Reflex
  5. Acute
  6. Reflex
  7. 10
  8. Acute
  9. South
  10. South
  11. 15
  12. North
  13. 50
  14. South
  15. 60
  16. 60
  17. 210
  18. 36
  19. 90
  20. 90
  21. Straight
  22. Obtuse
  23. 270
  24. 240
  25. Reflex
  26. Reflex
  27. 30
  28. 120
  29. 210
  30. 90
  31. 120
  32. Reflex
  33. 210
  34. 90
  35. 50
  36. 220
  37. 45
  38. 95
  39. 10
  40. 330

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