← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 147 · 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 65°. What is the other angle (in degrees)?
  2. 2.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  3. 3.An angle measures 165°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  4. 4.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  5. 5.Two angles of a triangle are 25° and 145°. What is the third angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 80° and 90°. What is the third angle (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 100° and 180°. What is the third angle (in degrees)?
  11. 11.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  12. 12.An angle measures 25°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  13. 13.Two angles of a triangle are 55° and 25°. What is the third angle (in degrees)?
  14. 14.Two angles of a triangle are 75° and 45°. What is the third angle (in degrees)?
  15. 15.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  16. 16.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  17. 17.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 30° and 40°. What is the third angle (in degrees)?
  20. 20.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 7 o'clock (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 65° and 30°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 90° and 100°. What is the third angle (in degrees)?
  28. 28.Two angles of a triangle are 55° and 60°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 50° and 70°. What is the third angle (in degrees)?
  30. 30.An angle measures 100°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  31. 31.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  33. 33.Two angles of a triangle are 50° and 70°. What is the third angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  35. 35.Two angles of a triangle are 95° and 55°. What is the third angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 150° and 60°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 75° and 100°. What is the third angle (in degrees)?
  39. 39.An angle measures 65°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  40. 40.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?

Answer key

  1. 115
  2. 150
  3. Obtuse
  4. 30
  5. 10
  6. 190
  7. 60
  8. 65
  9. 90
  10. 80
  11. 30
  12. Acute
  13. 100
  14. 60
  15. Straight
  16. Right
  17. 160
  18. 140
  19. 110
  20. 170
  21. 145
  22. 150
  23. 15
  24. 85
  25. 10
  26. 130
  27. 170
  28. 65
  29. 240
  30. Obtuse
  31. 30
  32. 50
  33. 60
  34. 75
  35. 30
  36. 180
  37. 150
  38. 5
  39. Acute
  40. 35

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