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
- 1.77 − 16 =
- 2.What is the remainder when 26 is divided by 5?
- 3.92 − 29 =
- 4.25% of ₹870 =
- 5.21 × 4 =
- 6.176 ÷ 8 =
- 7.57 − 28 =
- 8.38 laddoos are packed in boxes of 4. How many laddoos are left over?
- 9.679 ÷ 7 =
- 10.195 ÷ 3 =
- 11.Best estimate of 51 × 76? (a) 400 (b) 4000 (c) 40000
- 12.77 − 27 =
- 13.342 ÷ 9 =
- 14.53 − 38 =
- 15.You start your homework at 5:00 and finish at 6:20. How many minutes did you work?
- 16.47 + 68 =
- 17.272 ÷ 8 =
- 18.128 − 91 =
- 19.Best estimate of 437 + 381? (a) 1000 (b) 800 (c) 600
- 20.What is the remainder when 109 is divided by 8?
- 21.25% of ₹90 =
- 22.94 − 76 =
- 23.90 − 58 =
- 24.23 laddoos are packed in boxes of 3. How many laddoos are left over?
- 25.25% of ₹190 =
- 26.Best estimate of 512 + 369? (a) 900 (b) 700 (c) 1100
- 27.56 − 28 =
- 28.Best estimate of 262 + 387? (a) 500 (b) 900 (c) 700
- 29.74 + 19 =
- 30.95 − 31 =
- 31.24² =
- 32.5% of ₹450 =
- 33.19 + 20 =
- 34.Half of 146 =
- 35.32 × 5 =
- 36.29 + 19 =
- 37.15 × 8 =
- 38.Double 36 =
- 39.17² =
- 40.17 × 4 =
Answer key
- 61
- 1
- 63
- 217.5
- 84
- 22
- 29
- 2
- 97
- 65
- 4000
- 50
- 38
- 15
- 80
- 115
- 34
- 37
- 800
- 5
- 22.5
- 18
- 32
- 2
- 47.5
- 900
- 28
- 700
- 93
- 64
- 576
- 22.5
- 39
- 73
- 160
- 48
- 120
- 72
- 289
- 68
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths