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
- 1.55 laddoos are packed in boxes of 9. How many laddoos are left over?
- 2.66 + 58 =
- 3.27 + 7 =
- 4.59 + 29 =
- 5.31 + ? = 100
- 6.152 ÷ 8 =
- 7.25% of ₹350 =
- 8.41 + 12 =
- 9.21 + 9 =
- 10.14² =
- 11.You buy a storybook for ₹34 and pay with a ₹100 note. How much change do you get, in rupees?
- 12.What is the remainder when 25 is divided by 4?
- 13.23 + ? = 100
- 14.13 laddoos are packed in boxes of 3. How many laddoos are left over?
- 15.Best estimate of 34 × 88? (a) 27000 (b) 2700 (c) 270
- 16.What is the remainder when 47 is divided by 3?
- 17.You buy a notebook for ₹67 and pay with a ₹100 note. How much change do you get, in rupees?
- 18.39 + 4 =
- 19.326 − 276 =
- 20.316 − 278 =
- 21.89 − 9 =
- 22.68 + 5 =
- 23.You start your homework at 4:15 and finish at 4:55. How many minutes did you work?
- 24.18 + 19 =
- 25.116 ÷ 4 =
- 26.What is the remainder when 55 is divided by 6?
- 27.57 + 9 =
- 28.5% of ₹100 =
- 29.81 + ? = 100
- 30.You buy a bag of mangoes for ₹315 and pay with a ₹500 note. How much change do you get, in rupees?
- 31.84 ÷ 7 =
- 32.19 + 3 =
- 33.20 × 8 =
- 34.10% of ₹860 =
- 35.62 laddoos are packed in boxes of 7. How many laddoos are left over?
- 36.84 + 34 =
- 37.68 + 8 =
- 38.8 + ? = 10
- 39.7 + 8 =
- 40.Double 85 =
Answer key
- 1
- 124
- 34
- 88
- 69
- 19
- 87.5
- 53
- 30
- 196
- 66
- 1
- 77
- 1
- 2700
- 2
- 33
- 43
- 50
- 38
- 80
- 73
- 40
- 37
- 29
- 1
- 66
- 5
- 19
- 185
- 12
- 22
- 160
- 86
- 6
- 118
- 76
- 2
- 15
- 170
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths