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
- 1.93 − 19 =
- 2.380 ÷ 5 =
- 3.20 × 8 =
- 4.18² =
- 5.81 × 4 =
- 6.37 × 7 =
- 7.223 − 194 =
- 8.You buy a kite for ₹36 and a pen for ₹15. You pay with a ₹100 note. How much change do you get, in rupees?
- 9.25% of ₹840 =
- 10.14 × 4 =
- 11.Best estimate of 36 × 81? (a) 320 (b) 32000 (c) 3200
- 12.41 − 29 =
- 13.248 ÷ 8 =
- 14.75 + ? = 100
- 15.76 + 68 =
- 16.9 + ? = 10
- 17.25% of ₹730 =
- 18.132 ÷ 3 =
- 19.17² =
- 20.Best estimate of 244 + 474? (a) 700 (b) 900 (c) 500
- 21.360 ÷ 8 =
- 22.9 + 10 =
- 23.22 + 23 =
- 24.You start your homework at 1:45 and finish at 4:00. How many minutes did you work?
- 25.22 + 24 =
- 26.88 ÷ 8 =
- 27.What is the remainder when 105 is divided by 9?
- 28.127 − 95 =
- 29.16² =
- 30.12² =
- 31.336 ÷ 4 =
- 32.25% of ₹650 =
- 33.238 ÷ 7 =
- 34.81 × 6 =
- 35.A cricket match starts at 5:50 and the first innings ends at 6:35. How many minutes did the innings last?
- 36.44 + 29 =
- 37.92 − 61 =
- 38.64 laddoos are packed in boxes of 6. How many laddoos are left over?
- 39.19 + 8 =
- 40.Half of 72 =
Answer key
- 74
- 76
- 160
- 324
- 324
- 259
- 29
- 49
- 210
- 56
- 3200
- 12
- 31
- 25
- 144
- 1
- 182.5
- 44
- 289
- 700
- 45
- 19
- 45
- 135
- 46
- 11
- 6
- 32
- 256
- 144
- 84
- 162.5
- 34
- 486
- 45
- 73
- 31
- 4
- 27
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths