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.Best estimate of 22 × 62? (a) 12000 (b) 120 (c) 1200
- 2.8 + 9 =
- 3.95 × 8 =
- 4.82 + 75 =
- 5.You buy a bag of mangoes for ₹43 and a pen for ₹23. You pay with a ₹100 note. How much change do you get, in rupees?
- 6.76 + 71 =
- 7.26² =
- 8.18² =
- 9.17 + 18 =
- 10.10% of ₹830 =
- 11.5% of ₹290 =
- 12.72 + 81 =
- 13.94 − 67 =
- 14.16² =
- 15.24² =
- 16.19 × 5 =
- 17.132 ÷ 4 =
- 18.61 + 9 =
- 19.102 ÷ 3 =
- 20.66 × 3 =
- 21.156 ÷ 6 =
- 22.53 + 29 =
- 23.315 − 277 =
- 24.275 ÷ 5 =
- 25.82 + 18 =
- 26.69 − 14 =
- 27.11 + 10 =
- 28.87 − 53 =
- 29.87 + 9 =
- 30.23 + 24 =
- 31.86 − 59 =
- 32.A train leaves at 7:05 and reaches the next city at 8:15. How many minutes is the journey?
- 33.Half of 194 =
- 34.You buy a notebook for ₹83 and pay with a ₹100 note. How much change do you get, in rupees?
- 35.Best estimate of 98 × 68? (a) 70000 (b) 700 (c) 7000
- 36.325 + 99 =
- 37.77 + 47 =
- 38.You buy a box of crayons for ₹38 and a pen for ₹16. You pay with a ₹100 note. How much change do you get, in rupees?
- 39.212 ÷ 4 =
- 40.266 ÷ 7 =
Answer key
- 1200
- 17
- 760
- 157
- 34
- 147
- 676
- 324
- 35
- 83
- 14.5
- 153
- 27
- 256
- 576
- 95
- 33
- 70
- 34
- 198
- 26
- 82
- 38
- 55
- 100
- 55
- 21
- 34
- 96
- 47
- 27
- 70
- 97
- 17
- 7000
- 424
- 124
- 46
- 53
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths