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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 328 · 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.Three angles together make a straight line. Two of them are 40° and 85°. What is the third angle (in degrees)?
  2. 2.The minute hand of a clock turns clockwise from 1 to 5. How many degrees does it turn?
  3. 3.Four angles meet at a point. Three of them are 60°, 50° and 170°. What is the fourth angle (in degrees)?
  4. 4.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) West (d) North
  5. 5.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  6. 6.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
  7. 7.Four angles meet at a point. Three of them are 80°, 70° and 90°. What is the fourth angle (in degrees)?
  8. 8.The minute hand of a clock turns clockwise from 6 to 3. How many degrees does it turn?
  9. 9.Four angles meet at a point. Three of them are 100°, 40° and 140°. What is the fourth angle (in degrees)?
  10. 10.Four angles meet at a point. Three of them are 70°, 60° and 200°. What is the fourth angle (in degrees)?
  11. 11.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  12. 12.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  13. 13.You face South and turn clockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
  14. 14.Three angles together make a straight line. Two of them are 30° and 25°. What is the third angle (in degrees)?
  15. 15.An angle measures 30°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
  16. 16.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) North (c) West (d) South
  17. 17.Three angles together make a straight line. Two of them are 25° and 60°. What is the third angle (in degrees)?
  18. 18.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  19. 19.Three angles together make a straight line. Two of them are 90° and 55°. What is the third angle (in degrees)?
  20. 20.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  21. 21.Four angles meet at a point. Three of them are 30°, 30° and 280°. What is the fourth angle (in degrees)?
  22. 22.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) North (c) West (d) East
  23. 23.An angle measures 235°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
  24. 24.The minute hand of a clock turns clockwise from 3 to 8. How many degrees does it turn?
  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 50°, 30° and 190°. What is the fourth angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 65° and 95°. What is the third angle (in degrees)?
  28. 28.You face South and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) West (d) South
  29. 29.Three angles together make a straight line. Two of them are 40° and 30°. What is the third angle (in degrees)?
  30. 30.Four angles meet at a point. Three of them are 80°, 100° and 100°. What is the fourth angle (in degrees)?
  31. 31.Four angles meet at a point. Three of them are 80°, 80° and 90°. What is the fourth angle (in degrees)?
  32. 32.The minute hand of a clock turns clockwise from 3 to 12. How many degrees does it turn?
  33. 33.Four angles meet at a point. Three of them are 50°, 40° and 90°. What is the fourth angle (in degrees)?
  34. 34.The minute hand of a clock turns clockwise from 7 to 1. How many degrees does it turn?
  35. 35.Four angles meet at a point. Three of them are 30°, 30° and 160°. What is the fourth angle (in degrees)?
  36. 36.Three angles together make a straight line. Two of them are 25° and 110°. What is the third angle (in degrees)?
  37. 37.An angle measures 35°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  38. 38.Four angles meet at a point. Three of them are 30°, 40° and 280°. What is the fourth angle (in degrees)?
  39. 39.An angle measures 160°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
  40. 40.Four angles meet at a point. Three of them are 40°, 80° and 200°. What is the fourth angle (in degrees)?

Answer key

  1. 55
  2. 120
  3. 80
  4. East
  5. 15
  6. West
  7. 120
  8. 270
  9. 80
  10. 30
  11. Right
  12. Straight
  13. North
  14. 125
  15. Acute
  16. North
  17. 95
  18. 60
  19. 35
  20. 120
  21. 20
  22. East
  23. Reflex
  24. 150
  25. 90
  26. 90
  27. 20
  28. West
  29. 110
  30. 80
  31. 110
  32. 270
  33. 180
  34. 180
  35. 140
  36. 45
  37. Acute
  38. 10
  39. Obtuse
  40. 40

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