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
- 1.25% of ₹730 =
- 2.You buy a cricket ball for ₹13 and pay with a ₹100 note. How much change do you get, in rupees?
- 3.17 + ? = 100
- 4.26 + 9 =
- 5.111 − 86 =
- 6.Best estimate of 153 + 226? (a) 400 (b) 200 (c) 600
- 7.Best estimate of 498 + 360? (a) 1100 (b) 900 (c) 700
- 8.You buy a cricket ball for ₹209 and pay with a ₹500 note. How much change do you get, in rupees?
- 9.15 + 9 =
- 10.98 − 19 =
- 11.A train leaves at 4:05 and reaches the next city at 6:15. How many minutes is the journey?
- 12.28 + 4 =
- 13.184 ÷ 4 =
- 14.72 − 31 =
- 15.51 × 9 =
- 16.9 + 10 =
- 17.16 × 8 =
- 18.40 children stand in rows of 9. How many full rows can they make?
- 19.15² =
- 20.75 + 89 =
- 21.26 + 27 =
- 22.232 ÷ 8 =
- 23.18² =
- 24.110 − 56 =
- 25.Best estimate of 13 × 34? (a) 300 (b) 30 (c) 3000
- 26.10% of ₹590 =
- 27.52 − 36 =
- 28.240 ÷ 8 =
- 29.38 + 9 =
- 30.276 ÷ 4 =
- 31.80 ÷ 4 =
- 32.26 + 42 =
- 33.518 − 99 =
- 34.35 + 6 =
- 35.3 + ? = 10
- 36.You buy a storybook for ₹41 and pay with a ₹100 note. How much change do you get, in rupees?
- 37.474 ÷ 6 =
- 38.75 − 27 =
- 39.87 − 68 =
- 40.108 ÷ 4 =
Answer key
- 182.5
- 87
- 83
- 35
- 25
- 400
- 900
- 291
- 24
- 79
- 130
- 32
- 46
- 41
- 459
- 19
- 128
- 4
- 225
- 164
- 53
- 29
- 324
- 54
- 300
- 59
- 16
- 30
- 47
- 69
- 20
- 68
- 419
- 41
- 7
- 59
- 79
- 48
- 19
- 27
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths