← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 5 · 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.Three angles meet at a point. Two of them are 80° and 130°. What is the third angle (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 120° and 120°. What is the third angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  5. 5.An angle measures 65°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  6. 6.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  7. 7.Two angles of a triangle are 55° and 110°. What is the third angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 80° and 90°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 50°. What is the other 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 170°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  12. 12.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 100° and 45°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 50° and 100°. What is the third angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 70° and 120°. What is the third angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 140° and 80°. What is the third angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 50° and 240°. What is the third angle (in degrees)?
  29. 29.Two angles of a triangle are 50° and 30°. What is the third angle (in degrees)?
  30. 30.Two angles of a triangle are 95° and 40°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  32. 32.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  33. 33.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  34. 34.Three angles meet at a point. Two of them are 130° and 50°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 100° and 170°. What is the third angle (in degrees)?
  36. 36.Two angles of a triangle are 30° and 70°. What is the third angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  38. 38.Two angles of a triangle are 30° and 50°. What is the third angle (in degrees)?
  39. 39.An angle measures 30°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  40. 40.Three angles meet at a point. Two of them are 80° and 60°. What is the third angle (in degrees)?

Answer key

  1. 150
  2. 120
  3. 30
  4. 30
  5. Acute
  6. 15
  7. 15
  8. 190
  9. 130
  10. 65
  11. Obtuse
  12. 30
  13. 70
  14. 35
  15. 55
  16. 135
  17. 35
  18. 150
  19. 210
  20. 150
  21. 60
  22. 120
  23. 105
  24. 70
  25. 170
  26. 60
  27. 140
  28. 70
  29. 100
  30. 45
  31. 170
  32. 50
  33. Right
  34. 180
  35. 90
  36. 80
  37. 180
  38. 100
  39. Acute
  40. 220

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