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.What is the remainder when 58 is divided by 5?
- 2.17 × 5 =
- 3.44 × 4 =
- 4.342 ÷ 6 =
- 5.41 + 54 =
- 6.55 + 25 =
- 7.What is the remainder when 17 is divided by 3?
- 8.74 − 32 =
- 9.What is the remainder when 47 is divided by 3?
- 10.88 + 3 =
- 11.89 + 12 =
- 12.18 + 19 =
- 13.You buy a box of crayons for ₹84 and pay with a ₹100 note. How much change do you get, in rupees?
- 14.You buy a bag of mangoes for ₹24 and a pen for ₹28. You pay with a ₹100 note. How much change do you get, in rupees?
- 15.41 laddoos are packed in boxes of 4. How many laddoos are left over?
- 16.A train leaves at 4:30 and reaches the next city at 6:00. How many minutes is the journey?
- 17.21 + 65 =
- 18.46 − 19 =
- 19.45 + 6 =
- 20.57 + 9 =
- 21.26 + 29 =
- 22.207 − 183 =
- 23.Best estimate of 685 + 724? (a) 1400 (b) 1600 (c) 1200
- 24.79 + 2 =
- 25.58 − 26 =
- 26.Best estimate of 721 + 488? (a) 1000 (b) 1400 (c) 1200
- 27.15² =
- 28.35 + 8 =
- 29.25% of ₹350 =
- 30.114 − 97 =
- 31.5% of ₹810 =
- 32.27 + 28 =
- 33.125 − 95 =
- 34.9 + ? = 10
- 35.34 + 77 =
- 36.332 ÷ 4 =
- 37.A train leaves at 2:10 and reaches the next city at 4:10. How many minutes is the journey?
- 38.132 ÷ 4 =
- 39.304 − 281 =
- 40.43 − 19 =
Answer key
- 3
- 85
- 176
- 57
- 95
- 80
- 2
- 42
- 2
- 91
- 101
- 37
- 16
- 48
- 1
- 90
- 86
- 27
- 51
- 66
- 55
- 24
- 1400
- 81
- 32
- 1200
- 225
- 43
- 87.5
- 17
- 40.5
- 55
- 30
- 1
- 111
- 83
- 120
- 33
- 23
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths