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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 57 · 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.Three angles together make a straight line. Two of them are 75° and 80°. What is the third angle (in degrees)?
  2. 2.Four angles meet at a point. Three of them are 30°, 60° and 190°. What is the fourth angle (in degrees)?
  3. 3.The minute hand of a clock turns clockwise from 4 to 7. How many degrees does it turn?
  4. 4.The minute hand of a clock turns clockwise from 11 to 6. How many degrees does it turn?
  5. 5.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
  6. 6.Three angles together make a straight line. Two of them are 80° and 50°. What is the third angle (in degrees)?
  7. 7.An angle measures 350°. What kind of angle is it? (a) Right (b) Straight (c) Reflex
  8. 8.The minute hand of a clock turns clockwise from 7 to 4. How many degrees does it turn?
  9. 9.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  10. 10.Four angles meet at a point. Three of them are 50°, 30° and 220°. What is the fourth angle (in degrees)?
  11. 11.Three angles together make a straight line. Two of them are 75° and 40°. What is the third angle (in degrees)?
  12. 12.Four angles meet at a point. Three of them are 30°, 80° and 90°. What is the fourth angle (in degrees)?
  13. 13.The minute hand of a clock turns clockwise from 6 to 11. How many degrees does it turn?
  14. 14.You face North and turn clockwise through 270°. Which direction do you face now? (a) North (b) West (c) East (d) South
  15. 15.An angle measures 290°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
  16. 16.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
  17. 17.The minute hand of a clock turns clockwise from 2 to 4. How many degrees does it turn?
  18. 18.Four angles meet at a point. Three of them are 40°, 60° and 160°. What is the fourth angle (in degrees)?
  19. 19.Four angles meet at a point. Three of them are 30°, 80° and 60°. What is the fourth angle (in degrees)?
  20. 20.An angle measures 20°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  21. 21.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  22. 22.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  23. 23.Three angles together make a straight line. Two of them are 30° and 120°. What is the third angle (in degrees)?
  24. 24.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  25. 25.Four angles meet at a point. Three of them are 40°, 30° and 280°. What is the fourth angle (in degrees)?
  26. 26.Three angles together make a straight line. Two of them are 25° and 125°. What is the third angle (in degrees)?
  27. 27.You face North and turn clockwise through 180°. Which direction do you face now? (a) North (b) East (c) West (d) South
  28. 28.Three angles together make a straight line. Two of them are 85° and 50°. What is the third angle (in degrees)?
  29. 29.Three angles together make a straight line. Two of them are 55° and 80°. What is the third angle (in degrees)?
  30. 30.Four angles meet at a point. Three of them are 40°, 50° and 80°. What is the fourth angle (in degrees)?
  31. 31.Three angles together make a straight line. Two of them are 20° and 130°. What is the third angle (in degrees)?
  32. 32.Three angles together make a straight line. Two of them are 10° and 135°. What is the third angle (in degrees)?
  33. 33.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  34. 34.Three angles together make a straight line. Two of them are 30° and 35°. What is the third angle (in degrees)?
  35. 35.An angle measures 60°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
  36. 36.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  37. 37.The minute hand of a clock turns clockwise from 6 to 8. How many degrees does it turn?
  38. 38.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
  39. 39.An angle measures 10°. What kind of angle is it? (a) Acute (b) Reflex (c) Straight
  40. 40.The minute hand of a clock turns clockwise from 1 to 6. How many degrees does it turn?

Answer key

  1. 25
  2. 80
  3. 90
  4. 210
  5. Right
  6. 50
  7. Reflex
  8. 270
  9. 36
  10. 60
  11. 65
  12. 160
  13. 150
  14. West
  15. Reflex
  16. 60
  17. 60
  18. 100
  19. 190
  20. Acute
  21. 90
  22. 15
  23. 30
  24. 120
  25. 10
  26. 30
  27. South
  28. 45
  29. 45
  30. 190
  31. 30
  32. 35
  33. 40
  34. 115
  35. Acute
  36. 60
  37. 60
  38. 210
  39. Acute
  40. 150

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