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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 608 · 40 sums
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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.You face South and turn clockwise through 90°. Which direction do you face now? (a) North (b) South (c) East (d) West
  2. 2.Four angles meet at a point. Three of them are 90°, 70° and 130°. What is the fourth angle (in degrees)?
  3. 3.Three angles together make a straight line. Two of them are 10° and 105°. What is the third angle (in degrees)?
  4. 4.An angle measures 295°. What kind of angle is it? (a) Reflex (b) Right (c) Straight
  5. 5.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
  6. 6.Four angles meet at a point. Three of them are 50°, 70° and 40°. What is the fourth angle (in degrees)?
  7. 7.Three angles together make a straight line. Two of them are 80° and 50°. What is the third angle (in degrees)?
  8. 8.You face North and turn clockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
  9. 9.An angle measures 80°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  10. 10.Four angles meet at a point. Three of them are 70°, 70° and 210°. What is the fourth angle (in degrees)?
  11. 11.An angle measures 200°. What kind of angle is it? (a) Reflex (b) Straight (c) Right
  12. 12.Three angles together make a straight line. Two of them are 30° and 45°. What is the third angle (in degrees)?
  13. 13.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  14. 14.An angle measures 180°. What kind of angle is it? (a) Acute (b) Reflex (c) Straight
  15. 15.Four angles meet at a point. Three of them are 100°, 100° and 110°. What is the fourth angle (in degrees)?
  16. 16.The minute hand of a clock turns clockwise from 3 to 11. How many degrees does it turn?
  17. 17.You face East and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
  18. 18.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Reflex
  19. 19.Three angles together make a straight line. Two of them are 90° and 80°. What is the third angle (in degrees)?
  20. 20.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) South (c) North (d) East
  21. 21.The minute hand of a clock turns clockwise from 6 to 11. How many degrees does it turn?
  22. 22.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  23. 23.An angle measures 50°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  24. 24.Four angles meet at a point. Three of them are 70°, 40° and 180°. What is the fourth angle (in degrees)?
  25. 25.Four angles meet at a point. Three of them are 70°, 70° and 50°. What is the fourth angle (in degrees)?
  26. 26.An angle measures 15°. What kind of angle is it? (a) Right (b) Reflex (c) Acute
  27. 27.Three angles together make a straight line. Two of them are 95° and 65°. What is the third angle (in degrees)?
  28. 28.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  29. 29.Four angles meet at a point. Three of them are 40°, 70° and 120°. What is the fourth angle (in degrees)?
  30. 30.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
  31. 31.An angle measures 225°. What kind of angle is it? (a) Straight (b) Reflex (c) Right
  32. 32.The minute hand of a clock turns clockwise from 4 to 5. How many degrees does it turn?
  33. 33.Three angles together make a straight line. Two of them are 15° and 100°. What is the third angle (in degrees)?
  34. 34.Four angles meet at a point. Three of them are 100°, 100° and 90°. What is the fourth angle (in degrees)?
  35. 35.Three angles together make a straight line. Two of them are 80° and 20°. What is the third angle (in degrees)?
  36. 36.Four angles meet at a point. Three of them are 30°, 90° and 180°. What is the fourth angle (in degrees)?
  37. 37.Three angles together make a straight line. Two of them are 20° and 60°. What is the third angle (in degrees)?
  38. 38.Four angles meet at a point. Three of them are 40°, 100° and 100°. What is the fourth angle (in degrees)?
  39. 39.An angle measures 65°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  40. 40.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?

Answer key

  1. West
  2. 70
  3. 65
  4. Reflex
  5. South
  6. 200
  7. 50
  8. East
  9. Acute
  10. 10
  11. Reflex
  12. 105
  13. 36
  14. Straight
  15. 50
  16. 240
  17. South
  18. Right
  19. 10
  20. West
  21. 150
  22. 45
  23. Acute
  24. 70
  25. 170
  26. Acute
  27. 20
  28. 45
  29. 130
  30. 18
  31. Reflex
  32. 30
  33. 65
  34. 70
  35. 80
  36. 60
  37. 100
  38. 120
  39. Acute
  40. 90

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