← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 320 · 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 30°. What is the other angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  3. 3.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  4. 4.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  6. 6.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 90° and 170°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  10. 10.Two angles of a triangle are 40° and 95°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 150° and 120°. What is the third angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  13. 13.An angle measures 45°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  14. 14.An angle measures 110°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  15. 15.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  17. 17.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  23. 23.An angle measures 180°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  24. 24.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  25. 25.An angle measures 70°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  26. 26.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  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 40° and 20°. What is the third angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 70° and 220°. What is the third angle (in degrees)?
  35. 35.Two angles of a triangle are 20° and 110°. What is the third angle (in degrees)?
  36. 36.Two angles of a triangle are 75° and 85°. What is the third angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 70° and 230°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 55° and 95°. What is the third angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  40. 40.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?

Answer key

  1. 150
  2. 65
  3. Right
  4. 70
  5. 20
  6. 40
  7. 100
  8. 10
  9. 60
  10. 45
  11. 90
  12. 65
  13. Acute
  14. Obtuse
  15. 45
  16. 160
  17. 90
  18. 40
  19. 170
  20. 30
  21. 90
  22. 80
  23. Straight
  24. 80
  25. Acute
  26. 55
  27. 30
  28. 35
  29. 50
  30. 30
  31. 120
  32. 120
  33. 90
  34. 70
  35. 50
  36. 20
  37. 60
  38. 30
  39. 150
  40. 60

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