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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 546 · 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.An angle measures 45°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  2. 2.The minute hand of a clock turns clockwise from 9 to 4. How many degrees does it turn?
  3. 3.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  4. 4.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  5. 5.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
  6. 6.Three angles together make a straight line. Two of them are 40° and 35°. What is the third angle (in degrees)?
  7. 7.The minute hand of a clock turns clockwise from 7 to 3. How many degrees does it turn?
  8. 8.An angle measures 90°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  9. 9.Four angles meet at a point. Three of them are 100°, 100° and 80°. What is the fourth angle (in degrees)?
  10. 10.Three angles together make a straight line. Two of them are 80° and 70°. What is the third angle (in degrees)?
  11. 11.An angle measures 165°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
  12. 12.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  13. 13.Four angles meet at a point. Three of them are 30°, 40° and 80°. What is the fourth angle (in degrees)?
  14. 14.Four angles meet at a point. Three of them are 50°, 40° and 70°. What is the fourth angle (in degrees)?
  15. 15.The minute hand of a clock turns clockwise from 8 to 6. How many degrees does it turn?
  16. 16.Three angles together make a straight line. Two of them are 35° and 50°. What is the third angle (in degrees)?
  17. 17.An angle measures 170°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
  18. 18.Four angles meet at a point. Three of them are 80°, 30° and 180°. What is the fourth angle (in degrees)?
  19. 19.An angle measures 335°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
  20. 20.Four angles meet at a point. Three of them are 100°, 60° and 190°. What is the fourth angle (in degrees)?
  21. 21.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  22. 22.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) North (d) South
  23. 23.Four angles meet at a point. Three of them are 70°, 90° and 140°. What is the fourth angle (in degrees)?
  24. 24.The minute hand of a clock turns clockwise from 3 to 7. How many degrees does it turn?
  25. 25.The minute hand of a clock turns clockwise from 5 to 6. How many degrees does it turn?
  26. 26.You face East and turn clockwise through 270°. Which direction do you face now? (a) South (b) North (c) East (d) West
  27. 27.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North
  28. 28.Four angles meet at a point. Three of them are 100°, 40° and 180°. What is the fourth angle (in degrees)?
  29. 29.You face West and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) North (d) East
  30. 30.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) West (c) East (d) South
  31. 31.Four angles meet at a point. Three of them are 70°, 50° and 220°. What is the fourth angle (in degrees)?
  32. 32.Three angles together make a straight line. Two of them are 40° and 65°. What is the third angle (in degrees)?
  33. 33.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  34. 34.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) North (b) East (c) West (d) South
  35. 35.Three angles together make a straight line. Two of them are 55° and 45°. What is the third angle (in degrees)?
  36. 36.An angle measures 70°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  37. 37.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
  38. 38.You face North and turn clockwise through 180°. Which direction do you face now? (a) East (b) West (c) North (d) South
  39. 39.You face North and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
  40. 40.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) West (c) East (d) North

Answer key

  1. Acute
  2. 210
  3. 60
  4. 45
  5. North
  6. 105
  7. 240
  8. Right
  9. 80
  10. 30
  11. Obtuse
  12. Straight
  13. 210
  14. 200
  15. 300
  16. 95
  17. Obtuse
  18. 70
  19. Reflex
  20. 10
  21. 36
  22. South
  23. 60
  24. 120
  25. 30
  26. North
  27. South
  28. 40
  29. South
  30. North
  31. 20
  32. 75
  33. 36
  34. West
  35. 80
  36. Acute
  37. 90
  38. South
  39. East
  40. East

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