← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 999 · 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 170°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  2. 2.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  3. 3.An angle measures 180°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  4. 4.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 70° and 50°. What is the third angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 50° and 50°. What is the third angle (in degrees)?
  7. 7.An angle measures 30°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  8. 8.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 110° and 110°. What is the third angle (in degrees)?
  10. 10.Two angles of a triangle are 35° and 80°. What is the third angle (in degrees)?
  11. 11.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  12. 12.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  13. 13.Two angles of a triangle are 30° and 55°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 120° and 50°. What is the third angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  17. 17.An angle measures 10°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  18. 18.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  19. 19.An angle measures 80°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  20. 20.An angle measures 155°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  21. 21.Three angles meet at a point. Two of them are 80° and 60°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 60° and 35°. What is the third angle (in degrees)?
  23. 23.Two angles of a triangle are 70° and 70°. What is the third angle (in degrees)?
  24. 24.Two angles of a triangle are 20° and 55°. What is the third angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  27. 27.Two angles of a triangle are 50° and 65°. What is the third angle (in degrees)?
  28. 28.An angle measures 25°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  29. 29.Three angles meet at a point. Two of them are 70° and 90°. What is the third angle (in degrees)?
  30. 30.Two angles of a triangle are 75° and 75°. What is the third angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 60° and 160°. What is the third angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  35. 35.Two angles of a triangle are 40° and 20°. What is the third angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 110° and 100°. What is the third angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  38. 38.An angle measures 15°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  39. 39.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  40. 40.Two angles of a triangle are 55° and 110°. What is the third angle (in degrees)?

Answer key

  1. Obtuse
  2. 60
  3. Straight
  4. 110
  5. 240
  6. 260
  7. Acute
  8. 25
  9. 140
  10. 65
  11. 40
  12. 120
  13. 95
  14. 190
  15. 30
  16. 35
  17. Acute
  18. 140
  19. Acute
  20. Obtuse
  21. 220
  22. 85
  23. 40
  24. 105
  25. 145
  26. 35
  27. 65
  28. Acute
  29. 200
  30. 30
  31. 70
  32. 140
  33. 60
  34. 55
  35. 120
  36. 150
  37. 130
  38. Acute
  39. 80
  40. 15

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