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
- 1.152 ÷ 8 =
- 2.25% of ₹650 =
- 3.21 + 20 =
- 4.27² =
- 5.Best estimate of 661 + 321? (a) 1000 (b) 800 (c) 1200
- 6.48 + 19 =
- 7.34 children stand in rows of 4. How many full rows can they make?
- 8.30 + 19 =
- 9.19² =
- 10.35 children stand in rows of 4. How many full rows can they make?
- 11.8 + ? = 10
- 12.240 ÷ 8 =
- 13.Half of 72 =
- 14.416 ÷ 8 =
- 15.60 + 19 =
- 16.Best estimate of 151 + 240? (a) 200 (b) 600 (c) 400
- 17.You buy a kite for ₹75 and pay with a ₹100 note. How much change do you get, in rupees?
- 18.74 + 89 =
- 19.92 − 43 =
- 20.318 − 282 =
- 21.65 laddoos are packed in boxes of 6. How many laddoos are left over?
- 22.208 ÷ 8 =
- 23.352 ÷ 8 =
- 24.5% of ₹230 =
- 25.You buy a kite for ₹34 and a pen for ₹30. You pay with a ₹100 note. How much change do you get, in rupees?
- 26.68 + 25 =
- 27.24 + 9 =
- 28.What is the remainder when 84 is divided by 9?
- 29.94 − 29 =
- 30.16 × 4 =
- 31.29 children stand in rows of 7. How many full rows can they make?
- 32.18 + 17 =
- 33.267 ÷ 3 =
- 34.17 × 4 =
- 35.108 ÷ 4 =
- 36.184 ÷ 4 =
- 37.78 + 29 =
- 38.61 − 13 =
- 39.46 + ? = 100
- 40.41 children stand in rows of 7. How many full rows can they make?
Answer key
- 19
- 162.5
- 41
- 729
- 1000
- 67
- 8
- 49
- 361
- 8
- 2
- 30
- 36
- 52
- 79
- 400
- 25
- 163
- 49
- 36
- 5
- 26
- 44
- 11.5
- 36
- 93
- 33
- 3
- 65
- 64
- 4
- 35
- 89
- 68
- 27
- 46
- 107
- 48
- 54
- 5
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths