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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 143 · 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.

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  1. 1.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) South (c) North (d) West
  2. 2.Four angles meet at a point. Three of them are 100°, 60° and 110°. What is the fourth angle (in degrees)?
  3. 3.You face South and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
  4. 4.Four angles meet at a point. Three of them are 80°, 80° and 40°. What is the fourth angle (in degrees)?
  5. 5.You face North and turn anticlockwise through 270°. Which direction do you face now? (a) East (b) North (c) South (d) West
  6. 6.An angle measures 110°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
  7. 7.Three angles together make a straight line. Two of them are 60° and 10°. What is the third angle (in degrees)?
  8. 8.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
  9. 9.You face South and turn clockwise through 270°. Which direction do you face now? (a) North (b) East (c) West (d) South
  10. 10.Four angles meet at a point. Three of them are 80°, 30° and 120°. What is the fourth angle (in degrees)?
  11. 11.You face West and turn clockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
  12. 12.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  13. 13.An angle measures 65°. What kind of angle is it? (a) Reflex (b) Acute (c) Obtuse
  14. 14.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
  15. 15.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  16. 16.An angle measures 230°. What kind of angle is it? (a) Straight (b) Reflex (c) Obtuse
  17. 17.The minute hand of a clock turns clockwise from 12 to 7. How many degrees does it turn?
  18. 18.Three angles together make a straight line. Two of them are 20° and 25°. What is the third angle (in degrees)?
  19. 19.An angle measures 205°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
  20. 20.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  21. 21.The minute hand of a clock turns clockwise from 2 to 12. How many degrees does it turn?
  22. 22.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  23. 23.Three angles together make a straight line. Two of them are 25° and 110°. What is the third angle (in degrees)?
  24. 24.Three angles together make a straight line. Two of them are 25° and 115°. What is the third angle (in degrees)?
  25. 25.Four angles meet at a point. Three of them are 80°, 40° and 90°. What is the fourth angle (in degrees)?
  26. 26.Three angles together make a straight line. Two of them are 75° and 10°. What is the third angle (in degrees)?
  27. 27.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
  28. 28.An angle measures 95°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Right
  29. 29.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  30. 30.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
  31. 31.Four angles meet at a point. Three of them are 40°, 30° and 230°. What is the fourth angle (in degrees)?
  32. 32.Three angles together make a straight line. Two of them are 55° and 35°. What is the third angle (in degrees)?
  33. 33.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  34. 34.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  35. 35.Four angles meet at a point. Three of them are 90°, 30° and 130°. What is the fourth angle (in degrees)?
  36. 36.The minute hand of a clock turns clockwise from 3 to 1. How many degrees does it turn?
  37. 37.An angle measures 40°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
  38. 38.Three angles together make a straight line. Two of them are 65° and 30°. What is the third angle (in degrees)?
  39. 39.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) West (c) South (d) East
  40. 40.The minute hand of a clock turns clockwise from 5 to 7. How many degrees does it turn?

Answer key

  1. East
  2. 90
  3. West
  4. 160
  5. East
  6. Obtuse
  7. 110
  8. South
  9. East
  10. 130
  11. North
  12. 60
  13. Acute
  14. North
  15. 36
  16. Reflex
  17. 210
  18. 135
  19. Reflex
  20. Right
  21. 300
  22. 90
  23. 45
  24. 40
  25. 150
  26. 95
  27. 90
  28. Obtuse
  29. 120
  30. 30
  31. 60
  32. 90
  33. 90
  34. 45
  35. 110
  36. 300
  37. Acute
  38. 85
  39. South
  40. 60

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