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
- 1.32 × 4 =
- 2.188 ÷ 4 =
- 3.50% of ₹680 =
- 4.A cricket match starts at 7:05 and the first innings ends at 8:50. How many minutes did the innings last?
- 5.136 ÷ 8 =
- 6.You buy a notebook for ₹241 and pay with a ₹500 note. How much change do you get, in rupees?
- 7.29 children stand in rows of 3. How many full rows can they make?
- 8.What is the remainder when 83 is divided by 7?
- 9.84 + 66 =
- 10.58 × 9 =
- 11.77 + 29 =
- 12.7 + ? = 10
- 13.87 − 15 =
- 14.92 laddoos are packed in boxes of 9. How many laddoos are left over?
- 15.35 + 7 =
- 16.34 × 3 =
- 17.93 × 7 =
- 18.57 − 43 =
- 19.87 + 5 =
- 20.Best estimate of 500 + 317? (a) 800 (b) 1000 (c) 600
- 21.327 − 277 =
- 22.14 × 4 =
- 23.You buy a water bottle for ₹30 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
- 24.27 + 29 =
- 25.23² =
- 26.You buy a notebook for ₹40 and a pen for ₹33. You pay with a ₹100 note. How much change do you get, in rupees?
- 27.17 + 16 =
- 28.63 − 47 =
- 29.16 + 17 =
- 30.81 − 69 =
- 31.89 × 5 =
- 32.65 × 6 =
- 33.50% of ₹360 =
- 34.50% of ₹160 =
- 35.7 + 8 =
- 36.21 × 8 =
- 37.35 + 6 =
- 38.30 + 19 =
- 39.307 − 281 =
- 40.You buy a bag of mangoes for ₹97 and pay with a ₹100 note. How much change do you get, in rupees?
Answer key
- 128
- 47
- 340
- 105
- 17
- 259
- 9
- 6
- 150
- 522
- 106
- 3
- 72
- 2
- 42
- 102
- 651
- 14
- 92
- 800
- 50
- 56
- 29
- 56
- 529
- 27
- 33
- 16
- 33
- 12
- 445
- 390
- 180
- 80
- 15
- 168
- 41
- 49
- 26
- 3
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths