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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 26 · 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 12 equal angles. How big is each angle (in degrees)?
  2. 2.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  3. 3.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) South (b) West (c) East (d) North
  4. 4.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  5. 5.Four angles meet at a point. Three of them are 70°, 60° and 110°. What is the fourth angle (in degrees)?
  6. 6.You face North and turn clockwise through 270°. Which direction do you face now? (a) East (b) North (c) South (d) West
  7. 7.An angle measures 330°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
  8. 8.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
  9. 9.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  10. 10.You face West and turn clockwise through 180°. Which direction do you face now? (a) North (b) West (c) South (d) East
  11. 11.An angle measures 255°. What kind of angle is it? (a) Reflex (b) Right (c) Obtuse
  12. 12.You face South and turn clockwise through 270°. Which direction do you face now? (a) South (b) East (c) West (d) North
  13. 13.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) South (c) North (d) West
  14. 14.A straight angle (180°) is split into 12 equal angles. How big is each angle (in degrees)?
  15. 15.You face South and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) South (c) East (d) North
  16. 16.Four angles meet at a point. Three of them are 70°, 90° and 60°. What is the fourth angle (in degrees)?
  17. 17.The minute hand of a clock turns clockwise from 6 to 3. How many degrees does it turn?
  18. 18.An angle measures 115°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  19. 19.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) South (b) East (c) North (d) West
  20. 20.Three angles together make a straight line. Two of them are 50° and 115°. What is the third angle (in degrees)?
  21. 21.Four angles meet at a point. Three of them are 100°, 40° and 80°. What is the fourth angle (in degrees)?
  22. 22.Three angles together make a straight line. Two of them are 75° and 95°. What is the third angle (in degrees)?
  23. 23.The minute hand of a clock turns clockwise from 11 to 8. How many degrees does it turn?
  24. 24.An angle measures 50°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
  25. 25.You face North and turn anticlockwise through 90°. Which direction do you face now? (a) West (b) East (c) South (d) North
  26. 26.The minute hand of a clock turns clockwise from 11 to 2. How many degrees does it turn?
  27. 27.Four angles meet at a point. Three of them are 80°, 90° and 130°. What is the fourth angle (in degrees)?
  28. 28.Three angles together make a straight line. Two of them are 100° and 30°. What is the third angle (in degrees)?
  29. 29.Three angles together make a straight line. Two of them are 85° and 85°. What is the third angle (in degrees)?
  30. 30.Four angles meet at a point. Three of them are 80°, 80° and 80°. What is the fourth angle (in degrees)?
  31. 31.An angle measures 135°. What kind of angle is it? (a) Obtuse (b) Right (c) Reflex
  32. 32.Three angles together make a straight line. Two of them are 65° and 105°. What is the third angle (in degrees)?
  33. 33.The minute hand of a clock turns clockwise from 3 to 5. How many degrees does it turn?
  34. 34.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) North (d) South
  35. 35.Three angles together make a straight line. Two of them are 65° and 25°. What is the third angle (in degrees)?
  36. 36.An angle measures 180°. What kind of angle is it? (a) Right (b) Reflex (c) Straight
  37. 37.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) South (d) North
  38. 38.Three angles together make a straight line. Two of them are 65° and 20°. What is the third angle (in degrees)?
  39. 39.Four angles meet at a point. Three of them are 40°, 100° and 30°. What is the fourth angle (in degrees)?
  40. 40.Three angles together make a straight line. Two of them are 100° and 70°. What is the third angle (in degrees)?

Answer key

  1. 30
  2. Obtuse
  3. North
  4. 90
  5. 120
  6. West
  7. Reflex
  8. Right
  9. 120
  10. East
  11. Reflex
  12. East
  13. South
  14. 15
  15. East
  16. 140
  17. 270
  18. Obtuse
  19. West
  20. 15
  21. 140
  22. 10
  23. 270
  24. Acute
  25. West
  26. 90
  27. 60
  28. 50
  29. 10
  30. 120
  31. Obtuse
  32. 10
  33. 60
  34. North
  35. 90
  36. Straight
  37. West
  38. 95
  39. 190
  40. 10

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