← Basic geometry: angles and turns lesson New set →

Class 6 Maths Worksheet: Angles and Geometry

Maths worksheets lesson 46: Basic geometry: angles and turns · Set 73 · 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.Three angles together make a straight line. Two of them are 90° and 30°. What is the third angle (in degrees)?
  2. 2.Four angles meet at a point. Three of them are 40°, 60° and 60°. What is the fourth angle (in degrees)?
  3. 3.Four angles meet at a point. Three of them are 30°, 40° and 200°. What is the fourth angle (in degrees)?
  4. 4.The minute hand of a clock turns clockwise from 1 to 3. How many degrees does it turn?
  5. 5.Three angles together make a straight line. Two of them are 55° and 25°. What is the third angle (in degrees)?
  6. 6.The minute hand of a clock turns clockwise from 5 to 8. How many degrees does it turn?
  7. 7.Three angles together make a straight line. Two of them are 90° and 80°. What is the third angle (in degrees)?
  8. 8.The minute hand of a clock turns clockwise from 11 to 5. How many degrees does it turn?
  9. 9.A straight angle (180°) is split into 3 equal angles. How big is each angle (in degrees)?
  10. 10.An angle measures 125°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  11. 11.Four angles meet at a point. Three of them are 90°, 70° and 30°. What is the fourth angle (in degrees)?
  12. 12.An angle measures 350°. What kind of angle is it? (a) Reflex (b) Obtuse (c) Straight
  13. 13.You face North and turn clockwise through 90°. Which direction do you face now? (a) East (b) North (c) South (d) West
  14. 14.Four angles meet at a point. Three of them are 100°, 70° and 120°. What is the fourth angle (in degrees)?
  15. 15.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Reflex
  16. 16.A full turn (360°) is split into 3 equal angles. How big is each angle (in degrees)?
  17. 17.An angle measures 110°. What kind of angle is it? (a) Acute (b) Reflex (c) Obtuse
  18. 18.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Reflex
  19. 19.Four angles meet at a point. Three of them are 100°, 70° and 130°. What is the fourth angle (in degrees)?
  20. 20.A straight angle (180°) is split into 2 equal angles. How big is each angle (in degrees)?
  21. 21.Three angles together make a straight line. Two of them are 10° and 35°. What is the third angle (in degrees)?
  22. 22.A straight angle (180°) is split into 5 equal angles. How big is each angle (in degrees)?
  23. 23.An angle measures 135°. What kind of angle is it? (a) Straight (b) Obtuse (c) Reflex
  24. 24.Three angles together make a straight line. Two of them are 60° and 45°. What is the third angle (in degrees)?
  25. 25.Four angles meet at a point. Three of them are 30°, 60° and 130°. What is the fourth angle (in degrees)?
  26. 26.Three angles together make a straight line. Two of them are 60° and 40°. What is the third angle (in degrees)?
  27. 27.The minute hand of a clock turns clockwise from 2 to 4. How many degrees does it turn?
  28. 28.A straight angle (180°) is split into 6 equal angles. How big is each angle (in degrees)?
  29. 29.An angle measures 345°. What kind of angle is it? (a) Acute (b) Straight (c) Reflex
  30. 30.An angle measures 335°. What kind of angle is it? (a) Reflex (b) Straight (c) Right
  31. 31.An angle measures 10°. What kind of angle is it? (a) Obtuse (b) Reflex (c) Acute
  32. 32.Three angles together make a straight line. Two of them are 75° and 75°. What is the third angle (in degrees)?
  33. 33.Three angles together make a straight line. Two of them are 75° and 55°. What is the third angle (in degrees)?
  34. 34.Four angles meet at a point. Three of them are 100°, 90° and 160°. What is the fourth angle (in degrees)?
  35. 35.Four angles meet at a point. Three of them are 40°, 100° and 40°. What is the fourth angle (in degrees)?
  36. 36.Four angles meet at a point. Three of them are 30°, 60° and 120°. What is the fourth angle (in degrees)?
  37. 37.The minute hand of a clock turns clockwise from 8 to 6. How many degrees does it turn?
  38. 38.Four angles meet at a point. Three of them are 30°, 30° and 200°. What is the fourth angle (in degrees)?
  39. 39.Four angles meet at a point. Three of them are 80°, 90° and 160°. What is the fourth angle (in degrees)?
  40. 40.Four angles meet at a point. Three of them are 90°, 40° and 110°. What is the fourth angle (in degrees)?

Answer key

  1. 60
  2. 200
  3. 90
  4. 60
  5. 100
  6. 90
  7. 10
  8. 180
  9. 60
  10. Obtuse
  11. 170
  12. Reflex
  13. East
  14. 70
  15. Right
  16. 120
  17. Obtuse
  18. Straight
  19. 60
  20. 90
  21. 135
  22. 36
  23. Obtuse
  24. 75
  25. 140
  26. 80
  27. 60
  28. 30
  29. Reflex
  30. Reflex
  31. Acute
  32. 30
  33. 50
  34. 10
  35. 180
  36. 150
  37. 300
  38. 100
  39. 30
  40. 120

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets