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.A train leaves at 8:55 and reaches the next city at 10:15. How many minutes is the journey?
- 2.6 + 7 =
- 3.1017 − 998 =
- 4.51 + 9 =
- 5.61 − 36 =
- 6.A film starts at 2:45 and ends at 4:20. How many minutes long is the film?
- 7.26² =
- 8.54 + 28 =
- 9.70 − 45 =
- 10.51 laddoos are packed in boxes of 7. How many laddoos are left over?
- 11.54 − 27 =
- 12.What is the remainder when 31 is divided by 4?
- 13.67 + 19 =
- 14.Best estimate of 848 + 677? (a) 1700 (b) 1500 (c) 1300
- 15.104 ÷ 4 =
- 16.12 + 11 =
- 17.21 laddoos are packed in boxes of 5. How many laddoos are left over?
- 18.33 × 8 =
- 19.71 + 61 =
- 20.You start your homework at 6:50 and finish at 8:25. How many minutes did you work?
- 21.26 + 27 =
- 22.74 − 29 =
- 23.30 × 8 =
- 24.55 − 9 =
- 25.Best estimate of 257 + 674? (a) 1000 (b) 800 (c) 1200
- 26.84 ÷ 4 =
- 27.Best estimate of 238 + 194? (a) 200 (b) 600 (c) 400
- 28.5 + 9 =
- 29.81 − 41 =
- 30.A train leaves at 7:35 and reaches the next city at 10:05. How many minutes is the journey?
- 31.38 + 32 =
- 32.25% of ₹400 =
- 33.24 + 61 =
- 34.34 × 4 =
- 35.19² =
- 36.Best estimate of 848 + 706? (a) 1700 (b) 1300 (c) 1500
- 37.129 − 93 =
- 38.18 + 8 =
- 39.79 × 8 =
- 40.62 − 28 =
Answer key
- 80
- 13
- 19
- 60
- 25
- 95
- 676
- 82
- 25
- 2
- 27
- 3
- 86
- 1500
- 26
- 23
- 1
- 264
- 132
- 95
- 53
- 45
- 240
- 46
- 1000
- 21
- 400
- 14
- 40
- 150
- 70
- 100
- 85
- 136
- 361
- 1500
- 36
- 26
- 632
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths