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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 696 · 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 full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  2. 2.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  3. 3.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  4. 4.An angle measures 140°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  5. 5.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
  6. 6.The minute hand of a clock turns clockwise from 6 to 10. How many degrees does it turn?
  7. 7.Four angles meet at a point. Three of them are 100°, 40° and 80°. What is the fourth angle (in degrees)?
  8. 8.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) West (c) East (d) South
  9. 9.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  10. 10.An angle measures 275°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
  11. 11.The minute hand of a clock turns clockwise from 10 to 1. How many degrees does it turn?
  12. 12.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) South (d) West
  13. 13.The minute hand of a clock turns clockwise from 6 to 4. How many degrees does it turn?
  14. 14.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
  15. 15.The minute hand of a clock turns clockwise from 7 to 3. How many degrees does it turn?
  16. 16.Four angles meet at a point. Three of them are 30°, 70° and 190°. What is the fourth angle (in degrees)?
  17. 17.The minute hand of a clock turns clockwise from 5 to 6. How many degrees does it turn?
  18. 18.An angle measures 180°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  19. 19.Three angles together make a straight line. Two of them are 70° and 35°. What is the third angle (in degrees)?
  20. 20.An angle measures 5°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  21. 21.Three angles together make a straight line. Two of them are 80° and 35°. What is the third angle (in degrees)?
  22. 22.The minute hand of a clock turns clockwise from 12 to 10. How many degrees does it turn?
  23. 23.An angle measures 35°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  24. 24.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) West (d) South
  25. 25.Four angles meet at a point. Three of them are 70°, 100° and 130°. What is the fourth angle (in degrees)?
  26. 26.Four angles meet at a point. Three of them are 50°, 100° and 110°. What is the fourth angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 45° and 15°. What is the third angle (in degrees)?
  28. 28.Four angles meet at a point. Three of them are 50°, 40° and 100°. What is the fourth angle (in degrees)?
  29. 29.Three angles together make a straight line. Two of them are 100° and 45°. What is the third angle (in degrees)?
  30. 30.Three angles together make a straight line. Two of them are 45° and 95°. What is the third angle (in degrees)?
  31. 31.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  32. 32.An angle measures 45°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  33. 33.Four angles meet at a point. Three of them are 50°, 30° and 140°. What is the fourth angle (in degrees)?
  34. 34.Three angles together make a straight line. Two of them are 25° and 130°. What is the third angle (in degrees)?
  35. 35.Three angles together make a straight line. Two of them are 20° and 85°. What is the third angle (in degrees)?
  36. 36.The minute hand of a clock turns clockwise from 2 to 9. How many degrees does it turn?
  37. 37.Three angles together make a straight line. Two of them are 65° and 80°. What is the third angle (in degrees)?
  38. 38.An angle measures 30°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
  39. 39.Four angles meet at a point. Three of them are 30°, 90° and 160°. What is the fourth angle (in degrees)?
  40. 40.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) North (d) South

Answer key

  1. 45
  2. 20
  3. 36
  4. Obtuse
  5. South
  6. 120
  7. 140
  8. North
  9. 36
  10. Reflex
  11. 90
  12. South
  13. 300
  14. 18
  15. 240
  16. 70
  17. 30
  18. Straight
  19. 75
  20. Acute
  21. 65
  22. 300
  23. Acute
  24. East
  25. 60
  26. 100
  27. 120
  28. 170
  29. 35
  30. 40
  31. Right
  32. Acute
  33. 140
  34. 25
  35. 75
  36. 210
  37. 35
  38. Acute
  39. 80
  40. East

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