← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 372 · 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.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  2. 2.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  4. 4.Two angles of a triangle are 45° and 70°. What is the third angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  6. 6.An angle measures 35°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  7. 7.Three angles meet at a point. Two of them are 120° and 140°. What is the third angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 90° and 110°. What is the third angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  11. 11.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  13. 13.Two angles of a triangle are 30° and 140°. What is the third angle (in degrees)?
  14. 14.Two angles of a triangle are 80° and 60°. What is the third angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  16. 16.An angle measures 85°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  17. 17.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  18. 18.An angle measures 55°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  19. 19.An angle measures 30°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  20. 20.Three angles meet at a point. Two of them are 80° and 70°. What is the third angle (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  22. 22.Three angles meet at a point. Two of them are 50° and 110°. What is the third angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 110° and 90°. What is the third angle (in degrees)?
  24. 24.Two angles of a triangle are 90° and 45°. What is the third angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  26. 26.Two angles of a triangle are 70° and 100°. What is the third angle (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 110° and 80°. What is the third angle (in degrees)?
  29. 29.Two angles of a triangle are 70° and 60°. What is the third angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 100° and 50°. What is the third angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 130° and 170°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  34. 34.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 50° and 120°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  37. 37.Two angles of a triangle are 40° and 115°. What is the third angle (in degrees)?
  38. 38.An angle measures 135°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  39. 39.Three angles meet at a point. Two of them are 90° and 130°. What is the third angle (in degrees)?
  40. 40.Two angles of a triangle are 95° and 30°. What is the third angle (in degrees)?

Answer key

  1. Straight
  2. 145
  3. 15
  4. 65
  5. 30
  6. Acute
  7. 100
  8. 160
  9. 120
  10. Right
  11. 155
  12. 50
  13. 10
  14. 40
  15. 60
  16. Acute
  17. 90
  18. Acute
  19. Acute
  20. 210
  21. 60
  22. 200
  23. 160
  24. 45
  25. 105
  26. 10
  27. 150
  28. 170
  29. 50
  30. 210
  31. 55
  32. 60
  33. 25
  34. 120
  35. 190
  36. 100
  37. 25
  38. Obtuse
  39. 140
  40. 55

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