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
- 1.33 × 9 =
- 2.66 + 5 =
- 3.59 − 44 =
- 4.Double 67 =
- 5.78 + 52 =
- 6.71 × 5 =
- 7.675 + 99 =
- 8.You start your homework at 2:55 and finish at 5:10. How many minutes did you work?
- 9.You buy a pencil box for ₹207 and pay with a ₹500 note. How much change do you get, in rupees?
- 10.108 ÷ 9 =
- 11.96 − 19 =
- 12.91 − 37 =
- 13.23 + 48 =
- 14.47 + 71 =
- 15.65 laddoos are packed in boxes of 9. How many laddoos are left over?
- 16.Best estimate of 63 × 96? (a) 600 (b) 60000 (c) 6000
- 17.50 + 33 =
- 18.120 ÷ 8 =
- 19.Double 51 =
- 20.1015 − 978 =
- 21.Best estimate of 336 + 780? (a) 1300 (b) 900 (c) 1100
- 22.11² =
- 23.You buy a bag of mangoes for ₹53 and pay with a ₹100 note. How much change do you get, in rupees?
- 24.80 + 9 =
- 25.84 ÷ 4 =
- 26.Best estimate of 443 + 565? (a) 800 (b) 1000 (c) 1200
- 27.10% of ₹110 =
- 28.45 laddoos are packed in boxes of 6. How many laddoos are left over?
- 29.33 children stand in rows of 6. How many full rows can they make?
- 30.37 × 5 =
- 31.You buy a box of crayons for ₹133 and pay with a ₹500 note. How much change do you get, in rupees?
- 32.25% of ₹450 =
- 33.87 + 31 =
- 34.Half of 132 =
- 35.25² =
- 36.68 + 9 =
- 37.43 − 29 =
- 38.19 + 6 =
- 39.59 + 29 =
- 40.74 × 4 =
Answer key
- 297
- 71
- 15
- 134
- 130
- 355
- 774
- 135
- 293
- 12
- 77
- 54
- 71
- 118
- 2
- 6000
- 83
- 15
- 102
- 37
- 1100
- 121
- 47
- 89
- 21
- 1000
- 11
- 3
- 5
- 185
- 367
- 112.5
- 118
- 66
- 625
- 77
- 14
- 25
- 88
- 296
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths