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
- 1.55 + 7 =
- 2.230 − 183 =
- 3.368 ÷ 4 =
- 4.176 ÷ 8 =
- 5.104 ÷ 8 =
- 6.23 + 13 =
- 7.1024 − 977 =
- 8.13 × 4 =
- 9.57 − 15 =
- 10.79 × 5 =
- 11.You buy a storybook for ₹33 and pay with a ₹100 note. How much change do you get, in rupees?
- 12.73 + 31 =
- 13.12 × 8 =
- 14.70 − 48 =
- 15.168 ÷ 3 =
- 16.305 − 289 =
- 17.You buy a storybook for ₹360 and pay with a ₹500 note. How much change do you get, in rupees?
- 18.72 ÷ 4 =
- 19.62 + 9 =
- 20.Best estimate of 86 × 61? (a) 540 (b) 5400 (c) 54000
- 21.13 × 8 =
- 22.You buy a water bottle for ₹94 and pay with a ₹100 note. How much change do you get, in rupees?
- 23.39 − 29 =
- 24.A train leaves at 3:05 and reaches the next city at 3:55. How many minutes is the journey?
- 25.21² =
- 26.8 + ? = 10
- 27.65 − 46 =
- 28.256 ÷ 8 =
- 29.5% of ₹830 =
- 30.17 + 5 =
- 31.87 + 4 =
- 32.24 + 69 =
- 33.97 − 66 =
- 34.16 + 18 =
- 35.165 ÷ 3 =
- 36.A train leaves at 1:20 and reaches the next city at 3:15. How many minutes is the journey?
- 37.94 children stand in rows of 7. How many full rows can they make?
- 38.20 + ? = 100
- 39.91 − 29 =
- 40.1 + ? = 10
Answer key
- 62
- 47
- 92
- 22
- 13
- 36
- 47
- 52
- 42
- 395
- 67
- 104
- 96
- 22
- 56
- 16
- 140
- 18
- 71
- 5400
- 104
- 6
- 10
- 50
- 441
- 2
- 19
- 32
- 41.5
- 22
- 91
- 93
- 31
- 34
- 55
- 115
- 13
- 80
- 62
- 9
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths