Mental Maths Questions Worksheet for Class 5
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
- 1.5% of ₹810 =
- 2.272 ÷ 8 =
- 3.13 + 14 =
- 4.100 ÷ 4 =
- 5.16² =
- 6.Double 31 =
- 7.19 + 29 =
- 8.309 − 291 =
- 9.You buy a box of crayons for ₹314 and pay with a ₹500 note. How much change do you get, in rupees?
- 10.Double 22 =
- 11.76 − 29 =
- 12.31 + 31 =
- 13.13 × 3 =
- 14.10% of ₹890 =
- 15.184 ÷ 8 =
- 16.15² =
- 17.Double 36 =
- 18.11² =
- 19.Best estimate of 22 × 54? (a) 1000 (b) 10000 (c) 100
- 20.46 + 8 =
- 21.24² =
- 22.You buy a notebook for ₹222 and pay with a ₹500 note. How much change do you get, in rupees?
- 23.81 + 55 =
- 24.25 laddoos are packed in boxes of 3. How many laddoos are left over?
- 25.45 + 6 =
- 26.32 + 28 =
- 27.287 ÷ 7 =
- 28.10% of ₹40 =
- 29.Best estimate of 208 + 215? (a) 600 (b) 400 (c) 200
- 30.87 + 9 =
- 31.98 − 31 =
- 32.55 + ? = 100
- 33.67 × 6 =
- 34.A film starts at 8:20 and ends at 8:55. How many minutes long is the film?
- 35.Best estimate of 338 + 792? (a) 1300 (b) 1100 (c) 900
- 36.102 − 29 =
- 37.You buy a cricket ball for ₹45 and a pen for ₹26. You pay with a ₹100 note. How much change do you get, in rupees?
- 38.A film starts at 1:45 and ends at 4:35. How many minutes long is the film?
- 39.38 laddoos are packed in boxes of 5. How many laddoos are left over?
- 40.8 + 9 =
Answer key
- 40.5
- 34
- 27
- 25
- 256
- 62
- 48
- 18
- 186
- 44
- 47
- 62
- 39
- 89
- 23
- 225
- 72
- 121
- 1000
- 54
- 576
- 278
- 136
- 1
- 51
- 60
- 41
- 4
- 400
- 96
- 67
- 45
- 402
- 35
- 1100
- 73
- 29
- 170
- 3
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths