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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 673 · 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.An angle measures 140°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  2. 2.Three angles together make a straight line. Two of them are 95° and 65°. What is the third angle (in degrees)?
  3. 3.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) West (d) North
  4. 4.A full turn (360°) is split into 12 equal angles. How big is each angle (in degrees)?
  5. 5.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  6. 6.You face East and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
  7. 7.The minute hand of a clock turns clockwise from 1 to 3. How many degrees does it turn?
  8. 8.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  9. 9.Three angles together make a straight line. Two of them are 75° and 20°. What is the third angle (in degrees)?
  10. 10.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  11. 11.The minute hand of a clock turns clockwise from 1 to 10. How many degrees does it turn?
  12. 12.Three angles together make a straight line. Two of them are 30° and 60°. What is the third angle (in degrees)?
  13. 13.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) East (c) South (d) North
  14. 14.Three angles together make a straight line. Two of them are 25° and 70°. What is the third angle (in degrees)?
  15. 15.The minute hand of a clock turns clockwise from 2 to 6. How many degrees does it turn?
  16. 16.You face East and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) West (d) South
  17. 17.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  18. 18.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  19. 19.You face East and turn clockwise through 180°. Which direction do you face now? (a) East (b) North (c) West (d) South
  20. 20.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  21. 21.Three angles together make a straight line. Two of them are 60° and 65°. What is the third angle (in degrees)?
  22. 22.The minute hand of a clock turns clockwise from 8 to 5. How many degrees does it turn?
  23. 23.Three angles together make a straight line. Two of them are 85° and 75°. What is the third angle (in degrees)?
  24. 24.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  25. 25.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) South (c) West (d) North
  26. 26.The minute hand of a clock turns clockwise from 11 to 7. How many degrees does it turn?
  27. 27.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  28. 28.An angle measures 135°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  29. 29.Three angles together make a straight line. Two of them are 10° and 70°. What is the third angle (in degrees)?
  30. 30.Three angles together make a straight line. Two of them are 95° and 30°. What is the third angle (in degrees)?
  31. 31.Three angles together make a straight line. Two of them are 20° and 15°. What is the third angle (in degrees)?
  32. 32.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) East (c) West (d) North
  33. 33.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
  34. 34.You face West and turn clockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
  35. 35.Four angles meet at a point. Three of them are 90°, 40° and 190°. What is the fourth angle (in degrees)?
  36. 36.Three angles together make a straight line. Two of them are 30° and 115°. What is the third angle (in degrees)?
  37. 37.An angle measures 335°. What kind of angle is it? (a) Acute (b) Reflex (c) Straight
  38. 38.Four angles meet at a point. Three of them are 60°, 80° and 210°. What is the fourth angle (in degrees)?
  39. 39.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  40. 40.The minute hand of a clock turns clockwise from 5 to 7. How many degrees does it turn?

Answer key

  1. Obtuse
  2. 20
  3. West
  4. 30
  5. 30
  6. North
  7. 60
  8. Right
  9. 85
  10. 36
  11. 270
  12. 90
  13. South
  14. 85
  15. 120
  16. South
  17. 120
  18. Straight
  19. West
  20. 60
  21. 55
  22. 270
  23. 20
  24. 40
  25. North
  26. 240
  27. 72
  28. Obtuse
  29. 100
  30. 55
  31. 145
  32. West
  33. North
  34. North
  35. 40
  36. 35
  37. Reflex
  38. 10
  39. 60
  40. 60

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