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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 945 · 40 sums
TalentJR

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.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  2. 2.The minute hand of a clock turns clockwise from 4 to 8. How many degrees does it turn?
  3. 3.The minute hand of a clock turns clockwise from 6 to 4. How many degrees does it turn?
  4. 4.You face North and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West
  5. 5.An angle measures 75°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
  6. 6.An angle measures 5°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  7. 7.Three angles together make a straight line. Two of them are 25° and 50°. What is the third angle (in degrees)?
  8. 8.The minute hand of a clock turns clockwise from 4 to 3. How many degrees does it turn?
  9. 9.The minute hand of a clock turns clockwise from 12 to 10. How many degrees does it turn?
  10. 10.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  11. 11.The minute hand of a clock turns clockwise from 10 to 8. How many degrees does it turn?
  12. 12.Three angles together make a straight line. Two of them are 85° and 30°. What is the third angle (in degrees)?
  13. 13.Three angles together make a straight line. Two of them are 30° and 65°. What is the third angle (in degrees)?
  14. 14.The minute hand of a clock turns clockwise from 9 to 5. How many degrees does it turn?
  15. 15.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  16. 16.Four angles meet at a point. Three of them are 50°, 80° and 60°. What is the fourth angle (in degrees)?
  17. 17.The minute hand of a clock turns clockwise from 6 to 11. How many degrees does it turn?
  18. 18.The minute hand of a clock turns clockwise from 7 to 8. How many degrees does it turn?
  19. 19.Three angles together make a straight line. Two of them are 15° and 40°. What is the third angle (in degrees)?
  20. 20.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  21. 21.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  22. 22.Four angles meet at a point. Three of them are 80°, 40° and 150°. What is the fourth angle (in degrees)?
  23. 23.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  24. 24.Three angles together make a straight line. Two of them are 30° and 130°. What is the third angle (in degrees)?
  25. 25.The minute hand of a clock turns clockwise from 10 to 9. How many degrees does it turn?
  26. 26.The minute hand of a clock turns clockwise from 5 to 3. How many degrees does it turn?
  27. 27.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  28. 28.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  29. 29.Three angles together make a straight line. Two of them are 20° and 80°. What is the third angle (in degrees)?
  30. 30.The minute hand of a clock turns clockwise from 7 to 12. How many degrees does it turn?
  31. 31.Four angles meet at a point. Three of them are 100°, 50° and 70°. What is the fourth angle (in degrees)?
  32. 32.The minute hand of a clock turns clockwise from 1 to 7. How many degrees does it turn?
  33. 33.Four angles meet at a point. Three of them are 50°, 100° and 40°. What is the fourth angle (in degrees)?
  34. 34.Four angles meet at a point. Three of them are 100°, 60° and 50°. What is the fourth angle (in degrees)?
  35. 35.Three angles together make a straight line. Two of them are 20° and 105°. What is the third angle (in degrees)?
  36. 36.An angle measures 320°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Right
  37. 37.The minute hand of a clock turns clockwise from 6 to 10. How many degrees does it turn?
  38. 38.An angle measures 200°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Right
  39. 39.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
  40. 40.Three angles together make a straight line. Two of them are 35° and 120°. What is the third angle (in degrees)?

Answer key

  1. 60
  2. 120
  3. 300
  4. South
  5. Acute
  6. Acute
  7. 105
  8. 330
  9. 300
  10. 15
  11. 300
  12. 65
  13. 85
  14. 240
  15. 36
  16. 170
  17. 150
  18. 30
  19. 125
  20. 90
  21. 40
  22. 90
  23. Straight
  24. 20
  25. 330
  26. 300
  27. 90
  28. 45
  29. 80
  30. 150
  31. 140
  32. 180
  33. 170
  34. 150
  35. 55
  36. Reflex
  37. 120
  38. Reflex
  39. 30
  40. 25

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