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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 841 · 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 170°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  2. 2.The minute hand of a clock turns clockwise from 12 to 6. How many degrees does it turn?
  3. 3.An angle measures 30°. What kind of angle is it? (a) Reflex (b) Straight (c) Acute
  4. 4.Three angles together make a straight line. Two of them are 30° and 30°. What is the third angle (in degrees)?
  5. 5.The minute hand of a clock turns clockwise from 11 to 2. How many degrees does it turn?
  6. 6.An angle measures 25°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  7. 7.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  8. 8.An angle measures 180°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  9. 9.A full turn (360°) is split into 6 equal angles. How big is each angle (in degrees)?
  10. 10.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  11. 11.You face East and turn clockwise through 90°. Which direction do you face now? (a) West (b) North (c) East (d) South
  12. 12.An angle measures 155°. What kind of angle is it? (a) Acute (b) Obtuse (c) Reflex
  13. 13.The minute hand of a clock turns clockwise from 1 to 8. How many degrees does it turn?
  14. 14.A full turn (360°) is split into 8 equal angles. How big is each angle (in degrees)?
  15. 15.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  16. 16.The minute hand of a clock turns clockwise from 5 to 1. How many degrees does it turn?
  17. 17.The minute hand of a clock turns clockwise from 7 to 9. How many degrees does it turn?
  18. 18.You face West and turn clockwise through 270°. Which direction do you face now? (a) West (b) South (c) East (d) North
  19. 19.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  20. 20.Four angles meet at a point. Three of them are 70°, 40° and 180°. What is the fourth angle (in degrees)?
  21. 21.The minute hand of a clock turns clockwise from 2 to 9. How many degrees does it turn?
  22. 22.Four angles meet at a point. Three of them are 60°, 90° and 200°. What is the fourth angle (in degrees)?
  23. 23.Three angles together make a straight line. Two of them are 25° and 120°. What is the third angle (in degrees)?
  24. 24.An angle measures 165°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Straight
  25. 25.An angle measures 100°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  26. 26.Four angles meet at a point. Three of them are 70°, 40° and 200°. What is the fourth angle (in degrees)?
  27. 27.The minute hand of a clock turns clockwise from 7 to 3. How many degrees does it turn?
  28. 28.The minute hand of a clock turns clockwise from 1 to 7. How many degrees does it turn?
  29. 29.Four angles meet at a point. Three of them are 70°, 60° and 220°. What is the fourth angle (in degrees)?
  30. 30.Three angles together make a straight line. Two of them are 55° and 30°. What is the third angle (in degrees)?
  31. 31.The minute hand of a clock turns clockwise from 3 to 2. How many degrees does it turn?
  32. 32.Four angles meet at a point. Three of them are 40°, 40° and 90°. What is the fourth angle (in degrees)?
  33. 33.Four angles meet at a point. Three of them are 90°, 30° and 170°. What is the fourth angle (in degrees)?
  34. 34.The minute hand of a clock turns clockwise from 2 to 11. How many degrees does it turn?
  35. 35.You face West and turn anticlockwise through 90°. Which direction do you face now? (a) East (b) West (c) South (d) North
  36. 36.An angle measures 145°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  37. 37.The minute hand of a clock turns clockwise from 6 to 11. How many degrees does it turn?
  38. 38.A straight angle (180°) is split into 9 equal angles. How big is each angle (in degrees)?
  39. 39.A full turn (360°) is split into 4 equal angles. How big is each angle (in degrees)?
  40. 40.The minute hand of a clock turns clockwise from 1 to 12. How many degrees does it turn?

Answer key

  1. Obtuse
  2. 180
  3. Acute
  4. 120
  5. 90
  6. Acute
  7. 45
  8. Straight
  9. 60
  10. 30
  11. South
  12. Obtuse
  13. 210
  14. 45
  15. 90
  16. 240
  17. 60
  18. South
  19. 120
  20. 70
  21. 210
  22. 10
  23. 35
  24. Obtuse
  25. Obtuse
  26. 50
  27. 240
  28. 180
  29. 10
  30. 95
  31. 330
  32. 190
  33. 70
  34. 270
  35. South
  36. Obtuse
  37. 150
  38. 20
  39. 90
  40. 330

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