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
- 1.84 ÷ 4 =
- 2.14² =
- 3.97 − 51 =
- 4.75 + 8 =
- 5.You buy a notebook for ₹54 and pay with a ₹100 note. How much change do you get, in rupees?
- 6.10% of ₹160 =
- 7.29² =
- 8.320 ÷ 8 =
- 9.Best estimate of 64 × 18? (a) 120 (b) 12000 (c) 1200
- 10.45 × 4 =
- 11.You buy a cricket ball for ₹17 and a pen for ₹45. You pay with a ₹100 note. How much change do you get, in rupees?
- 12.68 × 7 =
- 13.9 + ? = 10
- 14.325 − 288 =
- 15.73 − 55 =
- 16.16 + 9 =
- 17.53 + 19 =
- 18.Double 94 =
- 19.64 ÷ 4 =
- 20.88 + 68 =
- 21.51 × 3 =
- 22.10% of ₹370 =
- 23.69 × 4 =
- 24.Double 59 =
- 25.32 × 8 =
- 26.405 ÷ 9 =
- 27.54 − 15 =
- 28.8 + ? = 10
- 29.You buy a bag of mangoes for ₹394 and pay with a ₹500 note. How much change do you get, in rupees?
- 30.What is the remainder when 21 is divided by 4?
- 31.Best estimate of 22 × 36? (a) 80 (b) 8000 (c) 800
- 32.Half of 146 =
- 33.36 laddoos are packed in boxes of 5. How many laddoos are left over?
- 34.31 × 3 =
- 35.288 ÷ 8 =
- 36.77 + 4 =
- 37.13 + 14 =
- 38.25% of ₹700 =
- 39.6 + ? = 10
- 40.15 × 8 =
Answer key
- 21
- 196
- 46
- 83
- 46
- 16
- 841
- 40
- 1200
- 180
- 38
- 476
- 1
- 37
- 18
- 25
- 72
- 188
- 16
- 156
- 153
- 37
- 276
- 118
- 256
- 45
- 39
- 2
- 106
- 1
- 800
- 73
- 1
- 93
- 36
- 81
- 27
- 175
- 4
- 120
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths