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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 653 · 40 questions
TalentJR

How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.

NameDateTime takenScore ___ / 40
  1. 1.35 + 7 =
  2. 2.79 + 9 =
  3. 3.You buy a kite for ₹58 and pay with a ₹100 note. How much change do you get, in rupees?
  4. 4.25 + 7 =
  5. 5.Double 56 =
  6. 6.78 ÷ 3 =
  7. 7.28 + 76 =
  8. 8.29 + ? = 100
  9. 9.96 ÷ 4 =
  10. 10.What is the remainder when 55 is divided by 9?
  11. 11.6 + 7 =
  12. 12.41 × 7 =
  13. 13.59 × 8 =
  14. 14.Best estimate of 264 + 644? (a) 1100 (b) 900 (c) 700
  15. 15.You buy a notebook for ₹49 and pay with a ₹100 note. How much change do you get, in rupees?
  16. 16.68 − 42 =
  17. 17.66 + 5 =
  18. 18.99 − 28 =
  19. 19.Half of 98 =
  20. 20.25 children stand in rows of 4. How many full rows can they make?
  21. 21.19² =
  22. 22.28 + 30 =
  23. 23.516 − 489 =
  24. 24.1 + ? = 10
  25. 25.214 − 181 =
  26. 26.59 + 3 =
  27. 27.What is the remainder when 27 is divided by 5?
  28. 28.You buy a bag of mangoes for ₹38 and a pen for ₹38. You pay with a ₹100 note. How much change do you get, in rupees?
  29. 29.506 − 495 =
  30. 30.Best estimate of 19 × 54? (a) 1000 (b) 100 (c) 10000
  31. 31.72 + 16 =
  32. 32.73 children stand in rows of 9. How many full rows can they make?
  33. 33.152 ÷ 4 =
  34. 34.38 × 4 =
  35. 35.236 ÷ 4 =
  36. 36.Double 61 =
  37. 37.8 + 5 =
  38. 38.505 − 487 =
  39. 39.24 × 4 =
  40. 40.61 laddoos are packed in boxes of 4. How many laddoos are left over?

Answer key

  1. 42
  2. 88
  3. 42
  4. 32
  5. 112
  6. 26
  7. 104
  8. 71
  9. 24
  10. 1
  11. 13
  12. 287
  13. 472
  14. 900
  15. 51
  16. 26
  17. 71
  18. 71
  19. 49
  20. 6
  21. 361
  22. 58
  23. 27
  24. 9
  25. 33
  26. 62
  27. 2
  28. 24
  29. 11
  30. 1000
  31. 88
  32. 8
  33. 38
  34. 152
  35. 59
  36. 122
  37. 13
  38. 18
  39. 96
  40. 1

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