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
- 1.69 × 5 =
- 2.28 + 6 =
- 3.Half of 76 =
- 4.12 × 4 =
- 5.66 + ? = 100
- 6.5% of ₹200 =
- 7.45 + 61 =
- 8.30 + 32 =
- 9.13² =
- 10.204 ÷ 4 =
- 11.Double 61 =
- 12.A cricket match starts at 5:55 and the first innings ends at 8:40. How many minutes did the innings last?
- 13.92 − 51 =
- 14.A cricket match starts at 2:45 and the first innings ends at 4:30. How many minutes did the innings last?
- 15.19 × 8 =
- 16.16 + 15 =
- 17.You buy a pencil box for ₹37 and a pen for ₹34. You pay with a ₹100 note. How much change do you get, in rupees?
- 18.313 − 295 =
- 19.55 − 14 =
- 20.Best estimate of 26 × 43? (a) 120 (b) 1200 (c) 12000
- 21.1025 − 993 =
- 22.Best estimate of 249 + 667? (a) 1100 (b) 700 (c) 900
- 23.27 + 9 =
- 24.50% of ₹100 =
- 25.24 + 26 =
- 26.115 − 98 =
- 27.You buy a kite for ₹27 and a pen for ₹18. You pay with a ₹100 note. How much change do you get, in rupees?
- 28.25% of ₹60 =
- 29.Best estimate of 56 × 19? (a) 1200 (b) 120 (c) 12000
- 30.522 − 476 =
- 31.455 ÷ 5 =
- 32.108 ÷ 4 =
- 33.37 × 8 =
- 34.85 + 9 =
- 35.34 × 4 =
- 36.24 + 24 =
- 37.You start your homework at 7:25 and finish at 10:30. How many minutes did you work?
- 38.13 laddoos are packed in boxes of 3. How many laddoos are left over?
- 39.28² =
- 40.35 × 4 =
Answer key
- 345
- 34
- 38
- 48
- 34
- 10
- 106
- 62
- 169
- 51
- 122
- 165
- 41
- 105
- 152
- 31
- 29
- 18
- 41
- 1200
- 32
- 900
- 36
- 50
- 50
- 17
- 55
- 15
- 1200
- 46
- 91
- 27
- 296
- 94
- 136
- 48
- 185
- 1
- 784
- 140
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths