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
- 1.59 + ? = 100
- 2.66 + 7 =
- 3.77 laddoos are packed in boxes of 5. How many laddoos are left over?
- 4.128 ÷ 4 =
- 5.224 ÷ 8 =
- 6.29 + 31 =
- 7.8 + 7 =
- 8.736 ÷ 8 =
- 9.18² =
- 10.3 + ? = 10
- 11.32 × 8 =
- 12.26² =
- 13.Best estimate of 61 × 84? (a) 480 (b) 48000 (c) 4800
- 14.355 ÷ 5 =
- 15.48 + 4 =
- 16.59 + 6 =
- 17.80 ÷ 4 =
- 18.42 × 4 =
- 19.71 + 9 =
- 20.96 ÷ 4 =
- 21.11 + ? = 100
- 22.A train leaves at 4:35 and reaches the next city at 7:35. How many minutes is the journey?
- 23.220 ÷ 4 =
- 24.A film starts at 4:25 and ends at 7:45. How many minutes long is the film?
- 25.24² =
- 26.53 − 34 =
- 27.You buy a notebook for ₹37 and a pen for ₹31. You pay with a ₹100 note. How much change do you get, in rupees?
- 28.What is the remainder when 34 is divided by 7?
- 29.You start your homework at 1:35 and finish at 3:00. How many minutes did you work?
- 30.Half of 114 =
- 31.245 ÷ 7 =
- 32.64 − 28 =
- 33.21 + 20 =
- 34.40 + 29 =
- 35.Half of 36 =
- 36.98 − 75 =
- 37.54 × 5 =
- 38.47 children stand in rows of 3. How many full rows can they make?
- 39.88 × 3 =
- 40.25% of ₹430 =
Answer key
- 41
- 73
- 2
- 32
- 28
- 60
- 15
- 92
- 324
- 7
- 256
- 676
- 4800
- 71
- 52
- 65
- 20
- 168
- 80
- 24
- 89
- 180
- 55
- 200
- 576
- 19
- 32
- 6
- 85
- 57
- 35
- 36
- 41
- 69
- 18
- 23
- 270
- 15
- 264
- 107.5
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths