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
- 1.52 + 57 =
- 2.91 − 45 =
- 3.74 + 61 =
- 4.48 × 4 =
- 5.14 + 13 =
- 6.128 ÷ 4 =
- 7.What is the remainder when 26 is divided by 3?
- 8.Best estimate of 663 + 192? (a) 900 (b) 700 (c) 1100
- 9.26 laddoos are packed in boxes of 4. How many laddoos are left over?
- 10.41 + 38 =
- 11.160 ÷ 4 =
- 12.Best estimate of 855 + 151? (a) 900 (b) 1300 (c) 1100
- 13.You buy a bag of mangoes for ₹32 and pay with a ₹100 note. How much change do you get, in rupees?
- 14.What is the remainder when 89 is divided by 6?
- 15.80 + 9 =
- 16.32 + 79 =
- 17.11² =
- 18.186 − 99 =
- 19.You buy a bag of mangoes for ₹58 and pay with a ₹100 note. How much change do you get, in rupees?
- 20.52 − 9 =
- 21.46 + 9 =
- 22.15 × 8 =
- 23.47 + ? = 100
- 24.11 + 13 =
- 25.36 × 8 =
- 26.88 + ? = 100
- 27.5% of ₹40 =
- 28.70 + 9 =
- 29.Half of 44 =
- 30.A film starts at 8:05 and ends at 9:45. How many minutes long is the film?
- 31.25 + 27 =
- 32.225 − 187 =
- 33.18 + ? = 100
- 34.44 − 19 =
- 35.25% of ₹650 =
- 36.43 + 25 =
- 37.You buy a cricket ball for ₹21 and a pen for ₹11. You pay with a ₹100 note. How much change do you get, in rupees?
- 38.416 ÷ 8 =
- 39.36 + 5 =
- 40.17 × 8 =
Answer key
- 109
- 46
- 135
- 192
- 27
- 32
- 2
- 900
- 2
- 79
- 40
- 1100
- 68
- 5
- 89
- 111
- 121
- 87
- 42
- 43
- 55
- 120
- 53
- 24
- 288
- 12
- 2
- 79
- 22
- 100
- 52
- 38
- 82
- 25
- 162.5
- 68
- 68
- 52
- 41
- 136
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths