← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 778 · 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.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  3. 3.An angle measures 165°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  4. 4.Two angles of a triangle are 40° and 70°. What is the third angle (in degrees)?
  5. 5.Two angles of a triangle are 85° and 40°. What is the third angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 100° and 100°. What is the third angle (in degrees)?
  7. 7.Two angles of a triangle are 45° and 120°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 55° and 40°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 140° and 150°. What is the third angle (in degrees)?
  10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  11. 11.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  13. 13.An angle measures 120°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  14. 14.Three angles meet at a point. Two of them are 150° and 120°. What is the third angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 90° and 60°. What is the third angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 140° and 70°. What is the third angle (in degrees)?
  17. 17.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  22. 22.Three angles meet at a point. Two of them are 110° and 160°. What is the third angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 120° and 100°. What is the third angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  27. 27.An angle measures 65°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  28. 28.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  29. 29.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  30. 30.Two angles of a triangle are 45° and 50°. What is the third angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 100° and 150°. What is the third angle (in degrees)?
  32. 32.Two angles of a triangle are 75° and 85°. What is the third angle (in degrees)?
  33. 33.Two angles of a triangle are 65° and 20°. What is the third angle (in degrees)?
  34. 34.An angle measures 75°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  35. 35.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 130° and 160°. What is the third angle (in degrees)?
  37. 37.An angle measures 15°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  38. 38.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 80° and 90°. What is the third angle (in degrees)?
  40. 40.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?

Answer key

  1. 15
  2. 50
  3. Obtuse
  4. 70
  5. 55
  6. 160
  7. 15
  8. 85
  9. 70
  10. Right
  11. 60
  12. 10
  13. Obtuse
  14. 90
  15. 210
  16. 150
  17. 120
  18. 5
  19. 135
  20. 30
  21. 130
  22. 90
  23. 65
  24. 150
  25. 140
  26. 45
  27. Acute
  28. 10
  29. Straight
  30. 85
  31. 110
  32. 20
  33. 95
  34. Acute
  35. 35
  36. 70
  37. Acute
  38. 115
  39. 190
  40. 30

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