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
- 1.17 × 4 =
- 2.38 × 7 =
- 3.28 + 30 =
- 4.41 children stand in rows of 7. How many full rows can they make?
- 5.Best estimate of 538 + 304? (a) 600 (b) 1000 (c) 800
- 6.413 ÷ 7 =
- 7.Double 29 =
- 8.6 + 7 =
- 9.65 + 73 =
- 10.You buy a kite for ₹248 and pay with a ₹500 note. How much change do you get, in rupees?
- 11.You buy a bag of mangoes for ₹39 and a pen for ₹36. You pay with a ₹100 note. How much change do you get, in rupees?
- 12.16 laddoos are packed in boxes of 3. How many laddoos are left over?
- 13.58 × 3 =
- 14.60 + 9 =
- 15.10% of ₹150 =
- 16.87 − 61 =
- 17.19 × 4 =
- 18.18 + 7 =
- 19.16 + 19 =
- 20.26 + 9 =
- 21.20 + 22 =
- 22.22 − 9 =
- 23.40 × 4 =
- 24.188 ÷ 4 =
- 25.15 + 8 =
- 26.66 − 37 =
- 27.5 + ? = 10
- 28.40 − 9 =
- 29.You buy a water bottle for ₹166 and pay with a ₹500 note. How much change do you get, in rupees?
- 30.83 × 8 =
- 31.25% of ₹320 =
- 32.25% of ₹100 =
- 33.You start your homework at 6:45 and finish at 9:30. How many minutes did you work?
- 34.83 − 68 =
- 35.You buy a bag of mangoes for ₹45 and a pen for ₹17. You pay with a ₹100 note. How much change do you get, in rupees?
- 36.18 × 8 =
- 37.368 ÷ 8 =
- 38.232 ÷ 8 =
- 39.177 − 99 =
- 40.22 + ? = 100
Answer key
- 68
- 266
- 58
- 5
- 800
- 59
- 58
- 13
- 138
- 252
- 25
- 1
- 174
- 69
- 15
- 26
- 76
- 25
- 35
- 35
- 42
- 13
- 160
- 47
- 23
- 29
- 5
- 31
- 334
- 664
- 80
- 25
- 165
- 15
- 38
- 144
- 46
- 29
- 78
- 78
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths