← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 157 · 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.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  2. 2.An angle measures 125°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  3. 3.Three angles meet at a point. Two of them are 140° and 50°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  5. 5.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  6. 6.Three angles meet at a point. Two of them are 50° and 140°. What is the third angle (in degrees)?
  7. 7.Two angles of a triangle are 20° and 30°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  9. 9.Two angles of a triangle are 55° and 45°. What is the third angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 80° and 60°. What is the third angle (in degrees)?
  12. 12.Two angles of a triangle are 50° and 40°. What is the third angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  14. 14.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 140° and 100°. What is the third angle (in degrees)?
  16. 16.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  17. 17.Three angles meet at a point. Two of them are 80° and 130°. What is the third angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 50° and 60°. What is the third angle (in degrees)?
  19. 19.An angle measures 100°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  20. 20.Three angles meet at a point. Two of them are 80° and 190°. What is the third angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  23. 23.An angle measures 120°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  24. 24.Two angles of a triangle are 95° and 75°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  27. 27.Two angles of a triangle are 65° and 65°. What is the third angle (in degrees)?
  28. 28.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  30. 30.An angle measures 20°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  31. 31.Three angles meet at a point. Two of them are 110° and 120°. What is the third angle (in degrees)?
  32. 32.An angle measures 135°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  33. 33.Two angles of a triangle are 90° and 30°. What is the third angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  35. 35.An angle measures 85°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  36. 36.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 130° and 90°. What is the third angle (in degrees)?
  40. 40.Two angles of a triangle are 35° and 100°. What is the third angle (in degrees)?

Answer key

  1. 110
  2. Obtuse
  3. 170
  4. 30
  5. Right
  6. 170
  7. 130
  8. 80
  9. 80
  10. 20
  11. 220
  12. 90
  13. 60
  14. 150
  15. 120
  16. 60
  17. 150
  18. 250
  19. Obtuse
  20. 90
  21. 165
  22. 30
  23. Obtuse
  24. 10
  25. 45
  26. 150
  27. 50
  28. 25
  29. 85
  30. Acute
  31. 130
  32. Obtuse
  33. 60
  34. 50
  35. Acute
  36. 90
  37. 180
  38. 95
  39. 140
  40. 45

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