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.Best estimate of 282 + 553? (a) 1100 (b) 900 (c) 700
- 2.65 children stand in rows of 6. How many full rows can they make?
- 3.53 × 6 =
- 4.330 − 281 =
- 5.38 × 8 =
- 6.You start your homework at 6:00 and finish at 9:05. How many minutes did you work?
- 7.328 ÷ 4 =
- 8.25² =
- 9.19 children stand in rows of 3. How many full rows can they make?
- 10.15² =
- 11.396 ÷ 4 =
- 12.10% of ₹670 =
- 13.26 + 25 =
- 14.272 ÷ 8 =
- 15.328 − 99 =
- 16.87 × 8 =
- 17.168 − 99 =
- 18.63 + 9 =
- 19.You buy a cricket ball for ₹42 and pay with a ₹100 note. How much change do you get, in rupees?
- 20.5 + ? = 10
- 21.63 × 6 =
- 22.44 × 4 =
- 23.You buy a kite for ₹495 and pay with a ₹500 note. How much change do you get, in rupees?
- 24.Double 44 =
- 25.27 + 29 =
- 26.66 + 8 =
- 27.50% of ₹580 =
- 28.17 children stand in rows of 3. How many full rows can they make?
- 29.13² =
- 30.26 − 19 =
- 31.23 + 22 =
- 32.A cricket match starts at 4:30 and the first innings ends at 7:15. How many minutes did the innings last?
- 33.30 + 31 =
- 34.54 − 41 =
- 35.You buy a box of crayons for ₹37 and a pen for ₹14. You pay with a ₹100 note. How much change do you get, in rupees?
- 36.14 + 13 =
- 37.18 + 9 =
- 38.97 − 78 =
- 39.31 × 8 =
- 40.You buy a water bottle for ₹29 and a pen for ₹44. You pay with a ₹100 note. How much change do you get, in rupees?
Answer key
- 900
- 10
- 318
- 49
- 304
- 185
- 82
- 625
- 6
- 225
- 99
- 67
- 51
- 34
- 229
- 696
- 69
- 72
- 58
- 5
- 378
- 176
- 5
- 88
- 56
- 74
- 290
- 5
- 169
- 7
- 45
- 165
- 61
- 13
- 49
- 27
- 27
- 19
- 248
- 27
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths