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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 204 · 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.An angle measures 90°. What kind of angle is it? (a) Acute (b) Reflex (c) Right
  2. 2.An angle measures 245°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
  3. 3.The minute hand of a clock turns clockwise from 9 to 4. How many degrees does it turn?
  4. 4.Four angles meet at a point. Three of them are 90°, 40° and 190°. What is the fourth angle (in degrees)?
  5. 5.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  6. 6.Four angles meet at a point. Three of them are 30°, 30° and 90°. What is the fourth angle (in degrees)?
  7. 7.Four angles meet at a point. Three of them are 50°, 50° and 210°. What is the fourth angle (in degrees)?
  8. 8.The minute hand of a clock turns clockwise from 11 to 10. How many degrees does it turn?
  9. 9.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  10. 10.Four angles meet at a point. Three of them are 100°, 100° and 140°. What is the fourth angle (in degrees)?
  11. 11.A straight angle (180°) is split into 10 equal angles. How big is each angle (in degrees)?
  12. 12.Four angles meet at a point. Three of them are 40°, 100° and 190°. What is the fourth angle (in degrees)?
  13. 13.Four angles meet at a point. Three of them are 50°, 50° and 230°. What is the fourth angle (in degrees)?
  14. 14.Four angles meet at a point. Three of them are 40°, 70° and 170°. What is the fourth angle (in degrees)?
  15. 15.Four angles meet at a point. Three of them are 40°, 50° and 130°. What is the fourth angle (in degrees)?
  16. 16.An angle measures 320°. What kind of angle is it? (a) Straight (b) Reflex (c) Acute
  17. 17.You face West and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) South (c) East (d) West
  18. 18.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  19. 19.Three angles together make a straight line. Two of them are 15° and 85°. What is the third angle (in degrees)?
  20. 20.The minute hand of a clock turns clockwise from 3 to 12. How many degrees does it turn?
  21. 21.Three angles together make a straight line. Two of them are 100° and 35°. What is the third angle (in degrees)?
  22. 22.You face South and turn clockwise through 90°. Which direction do you face now? (a) South (b) East (c) North (d) West
  23. 23.The minute hand of a clock turns clockwise from 7 to 2. How many degrees does it turn?
  24. 24.Four angles meet at a point. Three of them are 70°, 60° and 140°. What is the fourth angle (in degrees)?
  25. 25.The minute hand of a clock turns clockwise from 12 to 1. How many degrees does it turn?
  26. 26.A full turn (360°) is split into 10 equal angles. How big is each angle (in degrees)?
  27. 27.The minute hand of a clock turns clockwise from 7 to 10. How many degrees does it turn?
  28. 28.Three angles together make a straight line. Two of them are 95° and 75°. What is the third angle (in degrees)?
  29. 29.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  30. 30.Four angles meet at a point. Three of them are 90°, 40° and 170°. What is the fourth angle (in degrees)?
  31. 31.Three angles together make a straight line. Two of them are 50° and 30°. What is the third angle (in degrees)?
  32. 32.Three angles together make a straight line. Two of them are 15° and 155°. What is the third angle (in degrees)?
  33. 33.Three angles together make a straight line. Two of them are 70° and 10°. What is the third angle (in degrees)?
  34. 34.An angle measures 160°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  35. 35.An angle measures 140°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
  36. 36.Three angles together make a straight line. Two of them are 15° and 135°. What is the third angle (in degrees)?
  37. 37.Four angles meet at a point. Three of them are 40°, 70° and 50°. What is the fourth angle (in degrees)?
  38. 38.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) West (c) South (d) North
  39. 39.You face East and turn clockwise through 90°. Which direction do you face now? (a) North (b) East (c) South (d) West
  40. 40.You face North and turn clockwise through 270°. Which direction do you face now? (a) South (b) North (c) West (d) East

Answer key

  1. Right
  2. Reflex
  3. 210
  4. 40
  5. Straight
  6. 210
  7. 50
  8. 330
  9. 45
  10. 20
  11. 18
  12. 30
  13. 30
  14. 80
  15. 140
  16. Reflex
  17. East
  18. 90
  19. 80
  20. 270
  21. 45
  22. West
  23. 210
  24. 90
  25. 30
  26. 36
  27. 90
  28. 10
  29. 90
  30. 60
  31. 100
  32. 10
  33. 100
  34. Obtuse
  35. Obtuse
  36. 30
  37. 200
  38. West
  39. South
  40. West

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