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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 349 · 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.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  2. 2.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  3. 3.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
  4. 4.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
  5. 5.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  6. 6.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  7. 7.Four angles meet at a point. Three of them are 50°, 50° and 240°. What is the fourth angle (in degrees)?
  8. 8.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
  9. 9.Four angles meet at a point. Three of them are 60°, 30° and 50°. What is the fourth angle (in degrees)?
  10. 10.Three angles together make a straight line. Two of them are 50° and 55°. What is the third angle (in degrees)?
  11. 11.Three angles together make a straight line. Two of them are 20° and 50°. What is the third angle (in degrees)?
  12. 12.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  13. 13.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  14. 14.The minute hand of a clock turns clockwise from 8 to 3. How many degrees does it turn?
  15. 15.An angle measures 135°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  16. 16.Four angles meet at a point. Three of them are 100°, 60° and 100°. What is the fourth angle (in degrees)?
  17. 17.You face East and turn anticlockwise through 270°. Which direction do you face now? (a) North (b) West (c) East (d) South
  18. 18.Three angles together make a straight line. Two of them are 45° and 60°. What is the third angle (in degrees)?
  19. 19.A full turn (360°) is split into 9 equal angles. How big is each angle (in degrees)?
  20. 20.The minute hand of a clock turns clockwise from 1 to 11. How many degrees does it turn?
  21. 21.Three angles together make a straight line. Two of them are 50° and 65°. What is the third angle (in degrees)?
  22. 22.Three angles together make a straight line. Two of them are 10° and 130°. What is the third angle (in degrees)?
  23. 23.Four angles meet at a point. Three of them are 40°, 60° and 200°. What is the fourth angle (in degrees)?
  24. 24.The minute hand of a clock turns clockwise from 2 to 9. How many degrees does it turn?
  25. 25.Three angles together make a straight line. Two of them are 55° and 40°. What is the third angle (in degrees)?
  26. 26.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  27. 27.Three angles together make a straight line. Two of them are 55° and 70°. What is the third angle (in degrees)?
  28. 28.An angle measures 205°. What kind of angle is it? (a) Acute (b) Right (c) Reflex
  29. 29.You face South and turn clockwise through 90°. Which direction do you face now? (a) West (b) East (c) North (d) South
  30. 30.An angle measures 180°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  31. 31.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  32. 32.Three angles together make a straight line. Two of them are 75° and 15°. What is the third angle (in degrees)?
  33. 33.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  34. 34.Three angles together make a straight line. Two of them are 50° and 70°. What is the third angle (in degrees)?
  35. 35.Four angles meet at a point. Three of them are 60°, 50° and 70°. What is the fourth angle (in degrees)?
  36. 36.An angle measures 145°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  37. 37.Three angles together make a straight line. Two of them are 50° and 115°. What is the third angle (in degrees)?
  38. 38.Four angles meet at a point. Three of them are 70°, 50° and 100°. What is the fourth angle (in degrees)?
  39. 39.Four angles meet at a point. Three of them are 50°, 100° and 120°. What is the fourth angle (in degrees)?
  40. 40.The minute hand of a clock turns clockwise from 9 to 8. How many degrees does it turn?

Answer key

  1. 90
  2. 60
  3. North
  4. 30
  5. 45
  6. Right
  7. 20
  8. 90
  9. 220
  10. 75
  11. 110
  12. 36
  13. 120
  14. 210
  15. Obtuse
  16. 100
  17. South
  18. 75
  19. 40
  20. 300
  21. 65
  22. 40
  23. 60
  24. 210
  25. 85
  26. 90
  27. 55
  28. Reflex
  29. West
  30. Straight
  31. 20
  32. 90
  33. 72
  34. 60
  35. 180
  36. Obtuse
  37. 15
  38. 140
  39. 90
  40. 330

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