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
- 1.220 − 195 =
- 2.69 − 29 =
- 3.What is the remainder when 69 is divided by 8?
- 4.180 ÷ 5 =
- 5.84 + ? = 100
- 6.252 ÷ 3 =
- 7.39 ÷ 3 =
- 8.43 + 22 =
- 9.23 + 24 =
- 10.1 + ? = 10
- 11.89 × 3 =
- 12.What is the remainder when 37 is divided by 7?
- 13.11 + ? = 100
- 14.26 children stand in rows of 4. How many full rows can they make?
- 15.Double 59 =
- 16.Best estimate of 17 × 56? (a) 120 (b) 12000 (c) 1200
- 17.19² =
- 18.47 + 5 =
- 19.Best estimate of 254 + 136? (a) 200 (b) 600 (c) 400
- 20.You start your homework at 1:35 and finish at 2:25. How many minutes did you work?
- 21.15 + 16 =
- 22.208 ÷ 4 =
- 23.94 − 62 =
- 24.25% of ₹390 =
- 25.751 + 99 =
- 26.Double 93 =
- 27.60 − 41 =
- 28.187 − 99 =
- 29.1019 − 984 =
- 30.You start your homework at 2:45 and finish at 3:10. How many minutes did you work?
- 31.43 − 19 =
- 32.What is the remainder when 40 is divided by 3?
- 33.5% of ₹640 =
- 34.65 × 4 =
- 35.Best estimate of 760 + 782? (a) 1800 (b) 1400 (c) 1600
- 36.12 × 8 =
- 37.11² =
- 38.3 + ? = 10
- 39.A cricket match starts at 4:00 and the first innings ends at 6:25. How many minutes did the innings last?
- 40.324 ÷ 4 =
Answer key
- 25
- 40
- 5
- 36
- 16
- 84
- 13
- 65
- 47
- 9
- 267
- 2
- 89
- 6
- 118
- 1200
- 361
- 52
- 400
- 50
- 31
- 52
- 32
- 97.5
- 850
- 186
- 19
- 88
- 35
- 25
- 24
- 1
- 32
- 260
- 1600
- 96
- 121
- 7
- 145
- 81
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths