← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 725 · 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 170°. What is the other angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 90° and 50°. What is the third angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  8. 8.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 60° and 130°. What is the third angle (in degrees)?
  11. 11.Two angles of a triangle are 35° and 35°. What is the third angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  14. 14.An angle measures 95°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  15. 15.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  16. 16.Two angles of a triangle are 60° and 75°. 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 25° and 55°. What is the third angle (in degrees)?
  19. 19.An angle measures 70°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  20. 20.Three angles meet at a point. Two of them are 90° and 70°. What is the third angle (in degrees)?
  21. 21.An angle measures 10°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  22. 22.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 60° and 50°. What is the third angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  25. 25.Two angles of a triangle are 85° and 20°. What is the third angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  27. 27.Two angles of a triangle are 30° and 65°. What is the third angle (in degrees)?
  28. 28.Two angles of a triangle are 40° and 20°. What is the third angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  30. 30.Two angles of a triangle are 80° and 35°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 75° and 100°. What is the third angle (in degrees)?
  32. 32.Two angles of a triangle are 20° and 30°. What is the third angle (in degrees)?
  33. 33.Two angles of a triangle are 55° and 100°. What is the third angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  35. 35.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 50° and 90°. What is the third angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  38. 38.Two angles of a triangle are 100° and 45°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 40° and 55°. What is the third angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?

Answer key

  1. 10
  2. 50
  3. 90
  4. 5
  5. 65
  6. 220
  7. 15
  8. 30
  9. 85
  10. 170
  11. 110
  12. 45
  13. 180
  14. Obtuse
  15. 60
  16. 45
  17. 60
  18. 100
  19. Acute
  20. 200
  21. Acute
  22. 20
  23. 250
  24. 60
  25. 75
  26. 165
  27. 85
  28. 120
  29. 120
  30. 65
  31. 5
  32. 130
  33. 25
  34. 85
  35. 150
  36. 220
  37. 150
  38. 35
  39. 85
  40. 25

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