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
- 1.57 + 4 =
- 2.You buy a bag of mangoes for ₹53 and pay with a ₹100 note. How much change do you get, in rupees?
- 3.2 + ? = 10
- 4.69 + ? = 100
- 5.104 − 85 =
- 6.What is the remainder when 32 is divided by 3?
- 7.42 × 4 =
- 8.Best estimate of 26 × 49? (a) 15000 (b) 1500 (c) 150
- 9.What is the remainder when 53 is divided by 9?
- 10.17 + 7 =
- 11.56 × 3 =
- 12.38 − 9 =
- 13.A film starts at 8:40 and ends at 9:05. How many minutes long is the film?
- 14.144 ÷ 8 =
- 15.28² =
- 16.You buy a storybook for ₹14 and pay with a ₹100 note. How much change do you get, in rupees?
- 17.54 − 38 =
- 18.30 × 8 =
- 19.344 ÷ 4 =
- 20.A film starts at 3:50 and ends at 6:10. How many minutes long is the film?
- 21.47 + 5 =
- 22.41 + 67 =
- 23.75 laddoos are packed in boxes of 8. How many laddoos are left over?
- 24.Half of 104 =
- 25.42 + 9 =
- 26.17 + 6 =
- 27.45 + 61 =
- 28.62 + 29 =
- 29.75 + 6 =
- 30.26² =
- 31.264 ÷ 8 =
- 32.12 + 29 =
- 33.42 + ? = 100
- 34.43 × 7 =
- 35.Best estimate of 160 + 879? (a) 900 (b) 1100 (c) 1300
- 36.1008 − 998 =
- 37.156 ÷ 4 =
- 38.A film starts at 1:15 and ends at 3:20. How many minutes long is the film?
- 39.63 + 17 =
- 40.21 + 20 =
Answer key
- 61
- 47
- 8
- 31
- 19
- 2
- 168
- 1500
- 8
- 24
- 168
- 29
- 25
- 18
- 784
- 86
- 16
- 240
- 86
- 140
- 52
- 108
- 3
- 52
- 51
- 23
- 106
- 91
- 81
- 676
- 33
- 41
- 58
- 301
- 1100
- 10
- 39
- 125
- 80
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths