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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 885 · 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 90°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  2. 2.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  3. 3.An angle measures 315°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
  4. 4.The minute hand of a clock turns clockwise from 5 to 2. How many degrees does it turn?
  5. 5.You face North and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
  6. 6.Four angles meet at a point. Three of them are 90°, 30° and 120°. What is the fourth 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 60° and 10°. What is the third angle (in degrees)?
  9. 9.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) South (d) West
  10. 10.Three angles together make a straight line. Two of them are 30° and 35°. What is the third angle (in degrees)?
  11. 11.Four angles meet at a point. Three of them are 30°, 80° and 230°. What is the fourth angle (in degrees)?
  12. 12.Three angles together make a straight line. Two of them are 10° and 45°. What is the third angle (in degrees)?
  13. 13.An angle measures 140°. What kind of angle is it? (a) Obtuse (b) Acute (c) Reflex
  14. 14.Four angles meet at a point. Three of them are 30°, 60° and 110°. What is the fourth angle (in degrees)?
  15. 15.An angle measures 250°. What kind of angle is it? (a) Right (b) Obtuse (c) Reflex
  16. 16.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?
  17. 17.The minute hand of a clock turns clockwise from 12 to 5. How many degrees does it turn?
  18. 18.An angle measures 15°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  19. 19.The minute hand of a clock turns clockwise from 1 to 12. How many degrees does it turn?
  20. 20.An angle measures 205°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
  21. 21.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
  22. 22.You face North and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) North (d) East
  23. 23.You face South and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
  24. 24.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  25. 25.Three angles together make a straight line. Two of them are 80° and 55°. What is the third angle (in degrees)?
  26. 26.Four angles meet at a point. Three of them are 70°, 30° and 190°. What is the fourth angle (in degrees)?
  27. 27.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  28. 28.The minute hand of a clock turns clockwise from 3 to 4. How many degrees does it turn?
  29. 29.Three angles together make a straight line. Two of them are 55° and 35°. What is the third angle (in degrees)?
  30. 30.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) South (c) North (d) West
  31. 31.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  32. 32.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  33. 33.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) South (c) West (d) East
  34. 34.Four angles meet at a point. Three of them are 100°, 30° and 120°. What is the fourth angle (in degrees)?
  35. 35.An angle measures 195°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
  36. 36.Four angles meet at a point. Three of them are 90°, 90° and 170°. What is the fourth angle (in degrees)?
  37. 37.Three angles together make a straight line. Two of them are 50° and 40°. What is the third angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 40° and 120°. What is the third angle (in degrees)?
  39. 39.An angle measures 105°. What kind of angle is it? (a) Reflex (b) Straight (c) Obtuse
  40. 40.Three angles together make a straight line. Two of them are 35° and 95°. What is the third angle (in degrees)?

Answer key

  1. Right
  2. 45
  3. Reflex
  4. 270
  5. West
  6. 120
  7. 60
  8. 110
  9. South
  10. 115
  11. 20
  12. 125
  13. Obtuse
  14. 160
  15. Reflex
  16. 60
  17. 150
  18. Acute
  19. 330
  20. Reflex
  21. 18
  22. East
  23. North
  24. Straight
  25. 45
  26. 70
  27. 20
  28. 30
  29. 90
  30. North
  31. 40
  32. 60
  33. East
  34. 110
  35. Reflex
  36. 10
  37. 90
  38. 20
  39. Obtuse
  40. 50

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