← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 907 · 40 sums
TalentJR

The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°. On a straight line: the two angles add up to 180°. In a triangle: the three angles add up to 180°. Around a point: 360°. Clock: each hour mark is 30° apart (360° ÷ 12).

NameDateTime takenScore ___ / 40
  1. 1.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  4. 4.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  5. 5.Three angles meet at a point. Two of them are 80° and 50°. What is the third angle (in degrees)?
  6. 6.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 70° and 120°. What is the third angle (in degrees)?
  9. 9.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  11. 11.Two angles of a triangle are 25° and 25°. What is the third angle (in degrees)?
  12. 12.Two angles of a triangle are 65° and 65°. What is the third angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  16. 16.An angle measures 80°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  17. 17.An angle measures 55°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  18. 18.Two angles of a triangle are 70° and 25°. What is the third angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 140° and 80°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 80° and 95°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 80° and 80°. What is the third angle (in degrees)?
  23. 23.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  24. 24.Two angles of a triangle are 95° and 30°. What is the third angle (in degrees)?
  25. 25.An angle measures 65°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  26. 26.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  27. 27.Two angles of a triangle are 100° and 55°. What is the third angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 110° and 190°. What is the third angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  31. 31.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 50° and 230°. What is the third angle (in degrees)?
  33. 33.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  34. 34.Three angles meet at a point. Two of them are 130° and 80°. What is the third angle (in degrees)?
  35. 35.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  37. 37.An angle measures 130°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  38. 38.Two angles of a triangle are 35° and 115°. What is the third angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  40. 40.Two angles of a triangle are 85° and 55°. What is the third angle (in degrees)?

Answer key

  1. 90
  2. 80
  3. 35
  4. Straight
  5. 230
  6. 145
  7. 20
  8. 170
  9. 85
  10. 45
  11. 130
  12. 50
  13. 5
  14. 115
  15. 165
  16. Acute
  17. Acute
  18. 85
  19. 30
  20. 140
  21. 5
  22. 20
  23. 15
  24. 55
  25. Acute
  26. 60
  27. 25
  28. 60
  29. 90
  30. 125
  31. 150
  32. 80
  33. Right
  34. 150
  35. 180
  36. 35
  37. Obtuse
  38. 30
  39. 120
  40. 40

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