← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 724 · 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 30°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  8. 8.Two angles of a triangle are 60° and 65°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 50° and 140°. What is the third angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  11. 11.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  12. 12.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 130° and 60°. What is the third angle (in degrees)?
  14. 14.An angle measures 110°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  15. 15.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  17. 17.Two angles of a triangle are 35° and 140°. What is the third angle (in degrees)?
  18. 18.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  19. 19.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  20. 20.Two angles of a triangle are 65° and 70°. What is the third angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 110° and 60°. What is the third angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  26. 26.An angle measures 70°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  27. 27.An angle measures 105°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  28. 28.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  30. 30.Two angles of a triangle are 95° and 25°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  32. 32.Two angles of a triangle are 100° and 20°. What is the third angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  35. 35.An angle measures 35°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  36. 36.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 120° and 120°. What is the third angle (in degrees)?
  38. 38.An angle measures 135°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  39. 39.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  40. 40.Three angles meet at a point. Two of them are 100° and 70°. What is the third angle (in degrees)?

Answer key

  1. 150
  2. 60
  3. 30
  4. 165
  5. 90
  6. 70
  7. 40
  8. 55
  9. 170
  10. 65
  11. Straight
  12. 60
  13. 170
  14. Obtuse
  15. 80
  16. 30
  17. 5
  18. Right
  19. 35
  20. 45
  21. 190
  22. 15
  23. 75
  24. 80
  25. 135
  26. Acute
  27. Obtuse
  28. 25
  29. 30
  30. 60
  31. 20
  32. 60
  33. 120
  34. 20
  35. Acute
  36. 75
  37. 120
  38. Obtuse
  39. 5
  40. 190

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