← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 560 · 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 together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 100° and 150°. What is the third angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 150° and 90°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 100° and 40°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  12. 12.Two angles of a triangle are 85° and 50°. What is the third angle (in degrees)?
  13. 13.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  14. 14.Two angles of a triangle are 85° and 40°. What is the third angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 90° and 150°. What is the third angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  17. 17.Two angles of a triangle are 25° and 30°. What is the third angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 100° and 60°. What is the third angle (in degrees)?
  19. 19.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  20. 20.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  22. 22.An angle measures 145°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  23. 23.An angle measures 65°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  24. 24.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  26. 26.An angle measures 95°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  27. 27.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  30. 30.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  31. 31.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  32. 32.Two angles of a triangle are 80° and 85°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 100° and 80°. What is the third angle (in degrees)?
  35. 35.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  36. 36.Two angles of a triangle are 80° and 20°. What is the third angle (in degrees)?
  37. 37.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  38. 38.Two angles of a triangle are 40° and 130°. What is the third angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  40. 40.Two angles of a triangle are 30° and 45°. What is the third angle (in degrees)?

Answer key

  1. 50
  2. 110
  3. 150
  4. 90
  5. 10
  6. 35
  7. 120
  8. 40
  9. 30
  10. 145
  11. 20
  12. 45
  13. 75
  14. 55
  15. 120
  16. 75
  17. 125
  18. 200
  19. Right
  20. 85
  21. 150
  22. Obtuse
  23. Acute
  24. 30
  25. 110
  26. Obtuse
  27. 35
  28. 125
  29. 15
  30. Straight
  31. 120
  32. 15
  33. 70
  34. 180
  35. 55
  36. 80
  37. 5
  38. 10
  39. 20
  40. 105

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