← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 995 · 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 of a triangle are 85° and 35°. What is the third angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  5. 5.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  6. 6.Three angles meet at a point. Two of them are 60° and 160°. What is the third angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  8. 8.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  9. 9.Two angles of a triangle are 65° and 35°. What is the third angle (in degrees)?
  10. 10.An angle measures 55°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  11. 11.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  17. 17.Three angles meet at a point. Two of them are 70° and 80°. What is the third angle (in degrees)?
  18. 18.Two angles of a triangle are 55° and 120°. What is the third angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 120° and 70°. What is the third angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  26. 26.Two angles of a triangle are 30° and 135°. What is the third angle (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  29. 29.An angle measures 25°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  30. 30.An angle measures 80°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  31. 31.Three angles meet at a point. Two of them are 120° and 160°. What is the third angle (in degrees)?
  32. 32.An angle measures 20°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  33. 33.Three angles meet at a point. Two of them are 130° and 140°. What is the third angle (in degrees)?
  34. 34.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  35. 35.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  36. 36.Two angles of a triangle are 20° and 25°. What is the third angle (in degrees)?
  37. 37.An angle measures 95°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  38. 38.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 70° and 230°. What is the third angle (in degrees)?
  40. 40.Two angles of a triangle are 45° and 80°. What is the third angle (in degrees)?

Answer key

  1. 60
  2. 10
  3. 60
  4. 150
  5. Straight
  6. 140
  7. 125
  8. 120
  9. 80
  10. Acute
  11. 120
  12. 75
  13. 40
  14. 25
  15. 35
  16. 10
  17. 210
  18. 5
  19. 130
  20. 110
  21. 30
  22. 65
  23. 170
  24. 45
  25. 160
  26. 15
  27. 90
  28. 150
  29. Acute
  30. Acute
  31. 80
  32. Acute
  33. 90
  34. 180
  35. Right
  36. 135
  37. Obtuse
  38. 60
  39. 60
  40. 55

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