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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 430 · 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.Four angles meet at a point. Three of them are 50°, 100° and 90°. What is the fourth angle (in degrees)?
  2. 2.The minute hand of a clock turns clockwise from 7 to 10. How many degrees does it turn?
  3. 3.Three angles together make a straight line. Two of them are 15° and 55°. What is the third angle (in degrees)?
  4. 4.An angle measures 55°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  5. 5.The minute hand of a clock turns clockwise from 4 to 3. How many degrees does it turn?
  6. 6.Four angles meet at a point. Three of them are 30°, 30° and 250°. 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.Four angles meet at a point. Three of them are 100°, 40° and 110°. What is the fourth angle (in degrees)?
  9. 9.An angle measures 350°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
  10. 10.The minute hand of a clock turns clockwise from 7 to 4. How many degrees does it turn?
  11. 11.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  12. 12.Three angles together make a straight line. Two of them are 90° and 75°. What is the third angle (in degrees)?
  13. 13.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  14. 14.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  15. 15.An angle measures 140°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  16. 16.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
  17. 17.An angle measures 100°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  18. 18.The minute hand of a clock turns clockwise from 5 to 8. How many degrees does it turn?
  19. 19.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  20. 20.Four angles meet at a point. Three of them are 40°, 40° and 140°. What is the fourth angle (in degrees)?
  21. 21.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  22. 22.You face East and turn clockwise through 90°. Which direction do you face now? (a) South (b) West (c) East (d) North
  23. 23.Four angles meet at a point. Three of them are 70°, 60° and 180°. What is the fourth angle (in degrees)?
  24. 24.An angle measures 145°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  25. 25.Three angles together make a straight line. Two of them are 40° and 30°. What is the third angle (in degrees)?
  26. 26.Three angles together make a straight line. Two of them are 65° and 50°. What is the third angle (in degrees)?
  27. 27.You face North and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West
  28. 28.The minute hand of a clock turns clockwise from 4 to 2. How many degrees does it turn?
  29. 29.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  30. 30.Four angles meet at a point. Three of them are 80°, 30° and 200°. What is the fourth angle (in degrees)?
  31. 31.Four angles meet at a point. Three of them are 50°, 50° and 250°. What is the fourth angle (in degrees)?
  32. 32.An angle measures 260°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
  33. 33.Three angles together make a straight line. Two of them are 75° and 60°. What is the third angle (in degrees)?
  34. 34.Three angles together make a straight line. Two of them are 30° and 30°. What is the third angle (in degrees)?
  35. 35.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) North (c) East (d) West
  36. 36.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
  37. 37.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  38. 38.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) East (d) South
  39. 39.Four angles meet at a point. Three of them are 60°, 30° and 50°. What is the fourth angle (in degrees)?
  40. 40.An angle measures 225°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Right

Answer key

  1. 120
  2. 90
  3. 110
  4. Acute
  5. 330
  6. 50
  7. 60
  8. 110
  9. Reflex
  10. 270
  11. 45
  12. 15
  13. 90
  14. 15
  15. Obtuse
  16. Straight
  17. Obtuse
  18. 90
  19. 120
  20. 140
  21. 40
  22. South
  23. 50
  24. Obtuse
  25. 110
  26. 65
  27. South
  28. 300
  29. Right
  30. 50
  31. 10
  32. Reflex
  33. 45
  34. 120
  35. North
  36. East
  37. 30
  38. West
  39. 220
  40. Reflex

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