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
- 1.39 × 8 =
- 2.5 + 9 =
- 3.Half of 74 =
- 4.4 + ? = 10
- 5.Double 47 =
- 6.You buy a kite for ₹16 and a pen for ₹30. You pay with a ₹100 note. How much change do you get, in rupees?
- 7.50% of ₹210 =
- 8.285 − 99 =
- 9.200 ÷ 8 =
- 10.288 ÷ 9 =
- 11.78 + ? = 100
- 12.68 + ? = 100
- 13.45 − 9 =
- 14.116 − 85 =
- 15.27 × 4 =
- 16.89 + 8 =
- 17.335 ÷ 5 =
- 18.61 × 9 =
- 19.204 ÷ 4 =
- 20.15 + ? = 100
- 21.92 − 12 =
- 22.61 − 45 =
- 23.You buy a storybook for ₹44 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
- 24.524 − 497 =
- 25.26 + 6 =
- 26.72 × 8 =
- 27.41 laddoos are packed in boxes of 3. How many laddoos are left over?
- 28.77 + 4 =
- 29.A train leaves at 2:55 and reaches the next city at 4:20. How many minutes is the journey?
- 30.50 + 21 =
- 31.86 − 74 =
- 32.79 children stand in rows of 8. How many full rows can they make?
- 33.36 × 4 =
- 34.120 ÷ 4 =
- 35.5% of ₹810 =
- 36.What is the remainder when 103 is divided by 9?
- 37.22 + 89 =
- 38.Half of 84 =
- 39.37 + 4 =
- 40.129 ÷ 3 =
Answer key
- 312
- 14
- 37
- 6
- 94
- 54
- 105
- 186
- 25
- 32
- 22
- 32
- 36
- 31
- 108
- 97
- 67
- 549
- 51
- 85
- 80
- 16
- 15
- 27
- 32
- 576
- 2
- 81
- 85
- 71
- 12
- 9
- 144
- 30
- 40.5
- 4
- 111
- 42
- 41
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths