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
- 1.42 + 46 =
- 2.10% of ₹430 =
- 3.11 + 13 =
- 4.54 − 16 =
- 5.34 + 31 =
- 6.24² =
- 7.6 + ? = 10
- 8.77 + 8 =
- 9.16² =
- 10.23 + 71 =
- 11.18² =
- 12.14 × 4 =
- 13.15 + ? = 100
- 14.What is the remainder when 52 is divided by 7?
- 15.304 ÷ 4 =
- 16.Double 89 =
- 17.64 − 35 =
- 18.75 + 38 =
- 19.Best estimate of 32 × 79? (a) 2400 (b) 240 (c) 24000
- 20.95 − 29 =
- 21.44 + ? = 100
- 22.280 ÷ 8 =
- 23.You start your homework at 5:25 and finish at 8:25. How many minutes did you work?
- 24.120 ÷ 4 =
- 25.325 ÷ 5 =
- 26.14 + 13 =
- 27.A train leaves at 5:00 and reaches the next city at 7:25. How many minutes is the journey?
- 28.34 × 4 =
- 29.A film starts at 2:10 and ends at 3:25. How many minutes long is the film?
- 30.57 + ? = 100
- 31.26 + 19 =
- 32.You buy a kite for ₹360 and pay with a ₹500 note. How much change do you get, in rupees?
- 33.Half of 132 =
- 34.324 ÷ 9 =
- 35.95 − 85 =
- 36.Best estimate of 149 + 281? (a) 400 (b) 600 (c) 200
- 37.What is the remainder when 47 is divided by 3?
- 38.8 + ? = 10
- 39.41 laddoos are packed in boxes of 9. How many laddoos are left over?
- 40.7 + ? = 10
Answer key
- 88
- 43
- 24
- 38
- 65
- 576
- 4
- 85
- 256
- 94
- 324
- 56
- 85
- 3
- 76
- 178
- 29
- 113
- 2400
- 66
- 56
- 35
- 180
- 30
- 65
- 27
- 145
- 136
- 75
- 43
- 45
- 140
- 66
- 36
- 10
- 400
- 2
- 2
- 5
- 3
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths