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
- 1.24 + 65 =
- 2.36 + 6 =
- 3.84 − 68 =
- 4.You buy a storybook for ₹21 and pay with a ₹100 note. How much change do you get, in rupees?
- 5.61 laddoos are packed in boxes of 5. How many laddoos are left over?
- 6.7 + 9 =
- 7.A film starts at 5:05 and ends at 6:30. How many minutes long is the film?
- 8.Half of 56 =
- 9.77 + ? = 100
- 10.267 ÷ 3 =
- 11.30 + 32 =
- 12.Best estimate of 240 + 632? (a) 600 (b) 1000 (c) 800
- 13.Double 61 =
- 14.Best estimate of 40 × 51? (a) 2000 (b) 200 (c) 20000
- 15.12² =
- 16.87 + 8 =
- 17.13² =
- 18.25% of ₹100 =
- 19.A film starts at 2:10 and ends at 3:35. How many minutes long is the film?
- 20.85 + 51 =
- 21.427 ÷ 7 =
- 22.87 ÷ 3 =
- 23.25 + ? = 100
- 24.What is the remainder when 24 is divided by 5?
- 25.95 − 55 =
- 26.What is the remainder when 58 is divided by 4?
- 27.You buy a cricket ball for ₹111 and pay with a ₹500 note. How much change do you get, in rupees?
- 28.18 + 20 =
- 29.9 + ? = 10
- 30.25% of ₹290 =
- 31.17 + ? = 100
- 32.Best estimate of 521 + 223? (a) 700 (b) 500 (c) 900
- 33.35 × 4 =
- 34.You buy a pencil box for ₹80 and pay with a ₹100 note. How much change do you get, in rupees?
- 35.71 × 3 =
- 36.357 ÷ 7 =
- 37.71 − 24 =
- 38.A cricket match starts at 7:10 and the first innings ends at 8:25. How many minutes did the innings last?
- 39.330 − 278 =
- 40.Half of 82 =
Answer key
- 89
- 42
- 16
- 79
- 1
- 16
- 85
- 28
- 23
- 89
- 62
- 800
- 122
- 2000
- 144
- 95
- 169
- 25
- 85
- 136
- 61
- 29
- 75
- 4
- 40
- 2
- 389
- 38
- 1
- 72.5
- 83
- 700
- 140
- 20
- 213
- 51
- 47
- 75
- 52
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths