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
- 1.22 + 21 =
- 2.28 × 4 =
- 3.What is the remainder when 41 is divided by 3?
- 4.79 + 34 =
- 5.81 × 8 =
- 6.62 + 9 =
- 7.75 + 7 =
- 8.495 ÷ 5 =
- 9.147 ÷ 7 =
- 10.5% of ₹320 =
- 11.Best estimate of 529 + 243? (a) 900 (b) 700 (c) 500
- 12.17 + 7 =
- 13.66 + 86 =
- 14.You buy a bag of mangoes for ₹358 and pay with a ₹500 note. How much change do you get, in rupees?
- 15.25% of ₹250 =
- 16.12² =
- 17.25 + 85 =
- 18.A film starts at 3:40 and ends at 4:35. How many minutes long is the film?
- 19.10 + 11 =
- 20.17 × 8 =
- 21.Half of 80 =
- 22.176 ÷ 8 =
- 23.73 + ? = 100
- 24.22² =
- 25.302 − 288 =
- 26.76 laddoos are packed in boxes of 5. How many laddoos are left over?
- 27.204 ÷ 4 =
- 28.27 + ? = 100
- 29.240 ÷ 8 =
- 30.304 ÷ 8 =
- 31.Best estimate of 528 + 846? (a) 1100 (b) 1500 (c) 1300
- 32.232 − 99 =
- 33.18² =
- 34.82 − 72 =
- 35.410 + 99 =
- 36.71 × 5 =
- 37.91 − 73 =
- 38.You buy a cricket ball for ₹36 and a pen for ₹25. You pay with a ₹100 note. How much change do you get, in rupees?
- 39.50% of ₹90 =
- 40.11² =
Answer key
- 43
- 112
- 2
- 113
- 648
- 71
- 82
- 99
- 21
- 16
- 700
- 24
- 152
- 142
- 62.5
- 144
- 110
- 55
- 21
- 136
- 40
- 22
- 27
- 484
- 14
- 1
- 51
- 73
- 30
- 38
- 1300
- 133
- 324
- 10
- 509
- 355
- 18
- 39
- 45
- 121
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths