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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 521 · 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.The minute hand of a clock turns clockwise from 12 to 6. How many degrees does it turn?
  2. 2.You face North and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
  3. 3.An angle measures 110°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  4. 4.Three angles together make a straight line. Two of them are 15° and 25°. What is the third angle (in degrees)?
  5. 5.An angle measures 30°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
  6. 6.You face West and turn clockwise through 270°. Which direction do you face now? (a) North (b) West (c) East (d) South
  7. 7.Three angles together make a straight line. Two of them are 65° and 75°. What is the third angle (in degrees)?
  8. 8.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  9. 9.You face South and turn clockwise through 90°. Which direction do you face now? (a) South (b) West (c) North (d) East
  10. 10.An angle measures 75°. What kind of angle is it? (a) Reflex (b) Acute (c) Right
  11. 11.Three angles together make a straight line. Two of them are 100° and 45°. What is the third angle (in degrees)?
  12. 12.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  13. 13.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
  14. 14.Four angles meet at a point. Three of them are 80°, 60° and 120°. What is the fourth angle (in degrees)?
  15. 15.An angle measures 305°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
  16. 16.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  17. 17.Four angles meet at a point. Three of them are 30°, 50° and 60°. What is the fourth angle (in degrees)?
  18. 18.Three angles together make a straight line. Two of them are 95° and 15°. What is the third angle (in degrees)?
  19. 19.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
  20. 20.Three angles together make a straight line. Two of them are 30° and 25°. What is the third angle (in degrees)?
  21. 21.The minute hand of a clock turns clockwise from 6 to 9. How many degrees does it turn?
  22. 22.The minute hand of a clock turns clockwise from 11 to 5. How many degrees does it turn?
  23. 23.Four angles meet at a point. Three of them are 40°, 30° and 220°. What is the fourth angle (in degrees)?
  24. 24.Three angles together make a straight line. Two of them are 75° and 80°. What is the third angle (in degrees)?
  25. 25.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  26. 26.Four angles meet at a point. Three of them are 60°, 70° and 40°. What is the fourth angle (in degrees)?
  27. 27.An angle measures 105°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  28. 28.Three angles together make a straight line. Two of them are 25° and 110°. What is the third angle (in degrees)?
  29. 29.An angle measures 190°. What kind of angle is it? (a) Reflex (b) Straight (c) Right
  30. 30.Three angles together make a straight line. Two of them are 10° and 95°. What is the third angle (in degrees)?
  31. 31.Three angles together make a straight line. Two of them are 35° and 125°. What is the third angle (in degrees)?
  32. 32.An angle measures 320°. What kind of angle is it? (a) Reflex (b) Acute (c) Straight
  33. 33.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  34. 34.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) South (c) West (d) North
  35. 35.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) South (c) North (d) East
  36. 36.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) East (d) South
  37. 37.Three angles together make a straight line. Two of them are 25° and 50°. What is the third angle (in degrees)?
  38. 38.Three angles together make a straight line. Two of them are 90° and 40°. What is the third angle (in degrees)?
  39. 39.Four angles meet at a point. Three of them are 60°, 30° and 210°. What is the fourth angle (in degrees)?
  40. 40.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) West (c) North (d) South

Answer key

  1. 180
  2. East
  3. Obtuse
  4. 140
  5. Acute
  6. South
  7. 40
  8. Straight
  9. West
  10. Acute
  11. 35
  12. 36
  13. East
  14. 100
  15. Reflex
  16. 60
  17. 220
  18. 70
  19. 30
  20. 125
  21. 90
  22. 180
  23. 70
  24. 25
  25. 90
  26. 190
  27. Obtuse
  28. 45
  29. Reflex
  30. 75
  31. 20
  32. Reflex
  33. 72
  34. East
  35. South
  36. West
  37. 105
  38. 50
  39. 60
  40. West

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