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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 690 · 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.Three angles together make a straight line. Two of them are 100° and 25°. What is the third angle (in degrees)?
  2. 2.The minute hand of a clock turns clockwise from 5 to 8. How many degrees does it turn?
  3. 3.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  4. 4.Four angles meet at a point. Three of them are 50°, 70° and 60°. What is the fourth angle (in degrees)?
  5. 5.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
  6. 6.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  7. 7.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) West (c) East (d) South
  8. 8.An angle measures 95°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
  9. 9.Three angles together make a straight line. Two of them are 65° and 55°. What is the third angle (in degrees)?
  10. 10.Three angles together make a straight line. Two of them are 85° and 15°. What is the third angle (in degrees)?
  11. 11.The minute hand of a clock turns clockwise from 10 to 12. How many degrees does it turn?
  12. 12.You face South and turn clockwise through 180°. Which direction do you face now? (a) West (b) South (c) East (d) North
  13. 13.An angle measures 65°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  14. 14.The minute hand of a clock turns clockwise from 9 to 5. How many degrees does it turn?
  15. 15.Three angles together make a straight line. Two of them are 85° and 40°. What is the third angle (in degrees)?
  16. 16.Four angles meet at a point. Three of them are 70°, 40° and 240°. What is the fourth angle (in degrees)?
  17. 17.Four angles meet at a point. Three of them are 40°, 90° and 70°. What is the fourth angle (in degrees)?
  18. 18.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
  19. 19.Four angles meet at a point. Three of them are 30°, 50° and 30°. What is the fourth angle (in degrees)?
  20. 20.Four angles meet at a point. Three of them are 50°, 100° and 80°. What is the fourth angle (in degrees)?
  21. 21.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) West (d) South
  22. 22.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
  23. 23.The minute hand of a clock turns clockwise from 12 to 2. How many degrees does it turn?
  24. 24.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
  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.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 25° and 115°. What is the third angle (in degrees)?
  28. 28.Three angles together make a straight line. Two of them are 80° and 25°. What is the third angle (in degrees)?
  29. 29.Three angles together make a straight line. Two of them are 100° and 30°. What is the third angle (in degrees)?
  30. 30.Three angles together make a straight line. Two of them are 20° and 140°. What is the third angle (in degrees)?
  31. 31.You face East and turn clockwise through 270°. Which direction do you face now? (a) East (b) West (c) South (d) North
  32. 32.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  33. 33.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  34. 34.You face North and turn clockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North
  35. 35.The minute hand of a clock turns clockwise from 8 to 1. How many degrees does it turn?
  36. 36.An angle measures 10°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  37. 37.Three angles together make a straight line. Two of them are 45° and 50°. What is the third angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 15° and 105°. What is the third angle (in degrees)?
  39. 39.The minute hand of a clock turns clockwise from 2 to 4. How many degrees does it turn?
  40. 40.Three angles together make a straight line. Two of them are 45° and 80°. What is the third angle (in degrees)?

Answer key

  1. 55
  2. 90
  3. Right
  4. 180
  5. Straight
  6. 30
  7. East
  8. Obtuse
  9. 60
  10. 80
  11. 60
  12. North
  13. Acute
  14. 240
  15. 55
  16. 10
  17. 160
  18. South
  19. 250
  20. 130
  21. East
  22. North
  23. 60
  24. 30
  25. 45
  26. 90
  27. 40
  28. 75
  29. 50
  30. 20
  31. North
  32. 72
  33. 60
  34. East
  35. 150
  36. Acute
  37. 85
  38. 60
  39. 60
  40. 55

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