← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 225 · 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 60°. What is the other angle (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 60° and 110°. What is the third angle (in degrees)?
  3. 3.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 60° and 70°. What is the third angle (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  7. 7.Two angles of a triangle are 35° and 50°. What is the third angle (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 140° and 120°. What is the third angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  11. 11.An angle measures 105°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  12. 12.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  13. 13.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 90° and 100°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  16. 16.Two angles of a triangle are 40° and 40°. What is the third angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  18. 18.Two angles of a triangle are 60° and 30°. What is the third angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 1 o'clock (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.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  23. 23.Two angles of a triangle are 100° and 35°. What is the third angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 140° and 90°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 100° and 160°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  29. 29.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  30. 30.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  31. 31.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 150° and 90°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 110° and 50°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  37. 37.Two angles of a triangle are 35° and 55°. What is the third angle (in degrees)?
  38. 38.An angle measures 50°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  39. 39.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  40. 40.Two angles of a triangle are 95° and 25°. What is the third angle (in degrees)?

Answer key

  1. 120
  2. 190
  3. 115
  4. 80
  5. 230
  6. 35
  7. 95
  8. 85
  9. 100
  10. 55
  11. Obtuse
  12. 60
  13. 75
  14. 170
  15. 75
  16. 100
  17. 60
  18. 90
  19. 80
  20. 30
  21. 165
  22. 20
  23. 45
  24. 30
  25. 130
  26. 100
  27. 95
  28. 130
  29. Right
  30. 120
  31. 90
  32. 35
  33. 40
  34. 120
  35. 200
  36. 10
  37. 90
  38. Acute
  39. 55
  40. 60

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