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Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 699 · 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.

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  1. 1.Three angles together make a straight line. Two of them are 90° and 80°. What is the third angle (in degrees)?
  2. 2.Three angles together make a straight line. Two of them are 50° and 60°. What is the third angle (in degrees)?
  3. 3.Four angles meet at a point. Three of them are 40°, 30° and 160°. What is the fourth angle (in degrees)?
  4. 4.The minute hand of a clock turns clockwise from 2 to 1. How many degrees does it turn?
  5. 5.Three angles together make a straight line. Two of them are 50° and 30°. What is the third angle (in degrees)?
  6. 6.The minute hand of a clock turns clockwise from 8 to 11. How many degrees does it turn?
  7. 7.You face North and turn anticlockwise through 180°. Which direction do you face now? (a) West (b) East (c) North (d) South
  8. 8.Three angles together make a straight line. Two of them are 45° and 85°. What is the third angle (in degrees)?
  9. 9.A straight angle (180°) is split into 4 equal angles. How big is each angle (in degrees)?
  10. 10.You face South and turn clockwise through 270°. Which direction do you face now? (a) West (b) East (c) North (d) South
  11. 11.You face East and turn anticlockwise through 90°. Which direction do you face now? (a) South (b) East (c) West (d) North
  12. 12.The minute hand of a clock turns clockwise from 7 to 3. How many degrees does it turn?
  13. 13.An angle measures 180°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
  14. 14.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  15. 15.An angle measures 275°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Acute
  16. 16.Four angles meet at a point. Three of them are 100°, 100° and 100°. What is the fourth angle (in degrees)?
  17. 17.Four angles meet at a point. Three of them are 40°, 70° and 130°. What is the fourth angle (in degrees)?
  18. 18.An angle measures 290°. What kind of angle is it? (a) Reflex (b) Right (c) Straight
  19. 19.Three angles together make a straight line. Two of them are 15° and 20°. What is the third angle (in degrees)?
  20. 20.You face East and turn anticlockwise through 180°. Which direction do you face now? (a) North (b) South (c) West (d) East
  21. 21.Three angles together make a straight line. Two of them are 75° and 10°. What is the third angle (in degrees)?
  22. 22.Three angles together make a straight line. Two of them are 40° and 75°. What is the third angle (in degrees)?
  23. 23.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  24. 24.Three angles together make a straight line. Two of them are 85° and 65°. What is the third angle (in degrees)?
  25. 25.The minute hand of a clock turns clockwise from 4 to 2. How many degrees does it turn?
  26. 26.Three angles together make a straight line. Two of them are 95° and 70°. What is the third angle (in degrees)?
  27. 27.Four angles meet at a point. Three of them are 90°, 90° and 170°. What is the fourth angle (in degrees)?
  28. 28.You face North and turn clockwise through 180°. Which direction do you face now? (a) West (b) North (c) South (d) East
  29. 29.You face South and turn anticlockwise through 270°. Which direction do you face now? (a) West (b) North (c) South (d) East
  30. 30.The minute hand of a clock turns clockwise from 9 to 5. How many degrees does it turn?
  31. 31.An angle measures 115°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
  32. 32.An angle measures 50°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  33. 33.The minute hand of a clock turns clockwise from 7 to 5. How many degrees does it turn?
  34. 34.Four angles meet at a point. Three of them are 70°, 50° and 80°. What is the fourth angle (in degrees)?
  35. 35.You face South and turn anticlockwise through 180°. Which direction do you face now? (a) East (b) North (c) South (d) West
  36. 36.Three angles together make a straight line. Two of them are 55° and 15°. What is the third angle (in degrees)?
  37. 37.Four angles meet at a point. Three of them are 100°, 70° and 130°. What is the fourth angle (in degrees)?
  38. 38.A full turn (360°) is split into 5 equal angles. How big is each angle (in degrees)?
  39. 39.The minute hand of a clock turns clockwise from 2 to 11. How many degrees does it turn?
  40. 40.The minute hand of a clock turns clockwise from 5 to 4. How many degrees does it turn?

Answer key

  1. 10
  2. 70
  3. 130
  4. 330
  5. 100
  6. 90
  7. South
  8. 50
  9. 45
  10. East
  11. North
  12. 240
  13. Straight
  14. 90
  15. Reflex
  16. 60
  17. 120
  18. Reflex
  19. 145
  20. West
  21. 95
  22. 65
  23. 30
  24. 30
  25. 300
  26. 15
  27. 10
  28. South
  29. West
  30. 240
  31. Obtuse
  32. Acute
  33. 300
  34. 160
  35. North
  36. 110
  37. 60
  38. 72
  39. 270
  40. 330

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