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
- 1.73 − 35 =
- 2.A film starts at 3:25 and ends at 6:20. How many minutes long is the film?
- 3.138 ÷ 3 =
- 4.64 − 17 =
- 5.Best estimate of 759 + 573? (a) 1200 (b) 1600 (c) 1400
- 6.56 × 4 =
- 7.What is the remainder when 41 is divided by 3?
- 8.1006 − 994 =
- 9.15² =
- 10.73 + 86 =
- 11.28² =
- 12.252 ÷ 7 =
- 13.48 + ? = 100
- 14.526 − 477 =
- 15.384 ÷ 6 =
- 16.A film starts at 8:40 and ends at 10:30. How many minutes long is the film?
- 17.You buy a cricket ball for ₹25 and a pen for ₹18. You pay with a ₹100 note. How much change do you get, in rupees?
- 18.17 + 19 =
- 19.21² =
- 20.316 ÷ 4 =
- 21.483 − 99 =
- 22.34 × 8 =
- 23.22 + 65 =
- 24.A cricket match starts at 6:55 and the first innings ends at 8:55. How many minutes did the innings last?
- 25.288 ÷ 8 =
- 26.73 − 42 =
- 27.20 + ? = 100
- 28.You buy a notebook for ₹428 and pay with a ₹500 note. How much change do you get, in rupees?
- 29.71 + 79 =
- 30.16 + 9 =
- 31.521 − 99 =
- 32.5 + ? = 10
- 33.192 ÷ 4 =
- 34.12 × 6 =
- 35.Best estimate of 21 × 21? (a) 40 (b) 4000 (c) 400
- 36.A cricket match starts at 5:05 and the first innings ends at 6:15. How many minutes did the innings last?
- 37.What is the remainder when 131 is divided by 9?
- 38.55 × 6 =
- 39.48 + 36 =
- 40.58 × 4 =
Answer key
- 38
- 175
- 46
- 47
- 1400
- 224
- 2
- 12
- 225
- 159
- 784
- 36
- 52
- 49
- 64
- 110
- 57
- 36
- 441
- 79
- 384
- 272
- 87
- 120
- 36
- 31
- 80
- 72
- 150
- 25
- 422
- 5
- 48
- 72
- 400
- 70
- 5
- 330
- 84
- 232
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths