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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 944 · 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.Four angles meet at a point. Three of them are 50°, 50° and 130°. What is the fourth angle (in degrees)?
  2. 2.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  3. 3.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  4. 4.Three angles together make a straight line. Two of them are 40° and 25°. What is the third angle (in degrees)?
  5. 5.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  6. 6.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  7. 7.Three angles together make a straight line. Two of them are 25° and 105°. What is the third angle (in degrees)?
  8. 8.An angle measures 300°. What kind of angle is it? (a) Reflex (b) Right (c) Acute
  9. 9.Three angles together make a straight line. Two of them are 45° and 100°. What is the third angle (in degrees)?
  10. 10.Four angles meet at a point. Three of them are 30°, 70° and 170°. What is the fourth angle (in degrees)?
  11. 11.Three angles together make a straight line. Two of them are 75° and 95°. What is the third angle (in degrees)?
  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.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) East (c) North (d) West
  14. 14.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  15. 15.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
  16. 16.Four angles meet at a point. Three of them are 30°, 90° and 180°. What is the fourth angle (in degrees)?
  17. 17.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) South (c) East (d) West
  18. 18.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  19. 19.Three angles together make a straight line. Two of them are 30° and 45°. What is the third angle (in degrees)?
  20. 20.The minute hand of a clock turns clockwise from 8 to 2. How many degrees does it turn?
  21. 21.Four angles meet at a point. Three of them are 40°, 80° and 50°. What is the fourth angle (in degrees)?
  22. 22.An angle measures 85°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
  23. 23.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  24. 24.Four angles meet at a point. Three of them are 50°, 70° and 220°. What is the fourth angle (in degrees)?
  25. 25.An angle measures 55°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
  26. 26.Three angles together make a straight line. Two of them are 25° and 50°. What is the third angle (in degrees)?
  27. 27.You face West and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) North (c) East (d) West
  28. 28.Three angles together make a straight line. Two of them are 75° and 65°. What is the third angle (in degrees)?
  29. 29.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  30. 30.Four angles meet at a point. Three of them are 80°, 60° and 180°. What is the fourth angle (in degrees)?
  31. 31.Four angles meet at a point. Three of them are 100°, 50° and 190°. What is the fourth angle (in degrees)?
  32. 32.Three angles together make a straight line. Two of them are 85° and 10°. What is the third angle (in degrees)?
  33. 33.The minute hand of a clock turns clockwise from 2 to 12. How many degrees does it turn?
  34. 34.Four angles meet at a point. Three of them are 30°, 40° and 260°. What is the fourth angle (in degrees)?
  35. 35.The minute hand of a clock turns clockwise from 11 to 5. How many degrees does it turn?
  36. 36.You face South and turn clockwise through 270°. Which direction do you face now? (a) North (b) East (c) West (d) South
  37. 37.An angle measures 190°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
  38. 38.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) South (d) East
  39. 39.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  40. 40.An angle measures 195°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse

Answer key

  1. 130
  2. Right
  3. 90
  4. 115
  5. Straight
  6. 15
  7. 50
  8. Reflex
  9. 35
  10. 90
  11. 10
  12. 65
  13. North
  14. 20
  15. 30
  16. 60
  17. East
  18. 45
  19. 105
  20. 180
  21. 190
  22. Acute
  23. 30
  24. 20
  25. Acute
  26. 105
  27. North
  28. 40
  29. 40
  30. 40
  31. 20
  32. 85
  33. 300
  34. 30
  35. 180
  36. East
  37. Reflex
  38. South
  39. 90
  40. Reflex

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