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
- 1.508 − 491 =
- 2.21² =
- 3.Best estimate of 81 × 72? (a) 560 (b) 5600 (c) 56000
- 4.A train leaves at 4:15 and reaches the next city at 6:15. How many minutes is the journey?
- 5.1020 − 993 =
- 6.37 + 6 =
- 7.441 ÷ 7 =
- 8.65 + ? = 100
- 9.8 + 8 =
- 10.29 + ? = 100
- 11.29 × 8 =
- 12.A train leaves at 3:20 and reaches the next city at 5:55. How many minutes is the journey?
- 13.Double 57 =
- 14.76 × 8 =
- 15.27 × 4 =
- 16.72 ÷ 6 =
- 17.65 + 7 =
- 18.81 − 61 =
- 19.87 + ? = 100
- 20.Best estimate of 63 × 32? (a) 18000 (b) 1800 (c) 180
- 21.140 children stand in rows of 9. How many full rows can they make?
- 22.190 − 99 =
- 23.14 + 15 =
- 24.96 − 74 =
- 25.284 ÷ 4 =
- 26.A film starts at 5:40 and ends at 6:15. How many minutes long is the film?
- 27.1 + ? = 10
- 28.22 + 23 =
- 29.A cricket match starts at 4:35 and the first innings ends at 7:35. How many minutes did the innings last?
- 30.1023 − 994 =
- 31.87 + 74 =
- 32.You start your homework at 2:25 and finish at 5:20. How many minutes did you work?
- 33.320 ÷ 8 =
- 34.304 − 286 =
- 35.200 ÷ 4 =
- 36.52 − 23 =
- 37.37 × 4 =
- 38.56 + 5 =
- 39.17 × 8 =
- 40.120 ÷ 8 =
Answer key
- 17
- 441
- 5600
- 120
- 27
- 43
- 63
- 35
- 16
- 71
- 232
- 155
- 114
- 608
- 108
- 12
- 72
- 20
- 13
- 1800
- 15
- 91
- 29
- 22
- 71
- 35
- 9
- 45
- 180
- 29
- 161
- 175
- 40
- 18
- 50
- 29
- 148
- 61
- 136
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths