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
- 1.53 + 61 =
- 2.69 + 4 =
- 3.81 − 55 =
- 4.46 laddoos are packed in boxes of 3. How many laddoos are left over?
- 5.Double 64 =
- 6.Best estimate of 251 + 192? (a) 700 (b) 300 (c) 500
- 7.304 ÷ 8 =
- 8.50% of ₹620 =
- 9.79 − 48 =
- 10.Best estimate of 642 + 395? (a) 800 (b) 1000 (c) 1200
- 11.27 + 29 =
- 12.25% of ₹680 =
- 13.Best estimate of 78 × 68? (a) 5600 (b) 560 (c) 56000
- 14.18 × 4 =
- 15.29 × 4 =
- 16.67 + 56 =
- 17.12 × 4 =
- 18.38 laddoos are packed in boxes of 4. How many laddoos are left over?
- 19.168 ÷ 4 =
- 20.A cricket match starts at 6:35 and the first innings ends at 8:20. How many minutes did the innings last?
- 21.24 + 25 =
- 22.21² =
- 23.745 + 99 =
- 24.5 + 6 =
- 25.29 children stand in rows of 3. How many full rows can they make?
- 26.99 × 3 =
- 27.17² =
- 28.61 × 4 =
- 29.12² =
- 30.503 − 478 =
- 31.21 + 22 =
- 32.99 × 9 =
- 33.56 × 4 =
- 34.46 + 19 =
- 35.54 − 27 =
- 36.You buy a kite for ₹466 and pay with a ₹500 note. How much change do you get, in rupees?
- 37.You start your homework at 5:15 and finish at 8:25. How many minutes did you work?
- 38.63 + ? = 100
- 39.59 laddoos are packed in boxes of 7. How many laddoos are left over?
- 40.89 − 78 =
Answer key
- 114
- 73
- 26
- 1
- 128
- 500
- 38
- 310
- 31
- 1000
- 56
- 170
- 5600
- 72
- 116
- 123
- 48
- 2
- 42
- 105
- 49
- 441
- 844
- 11
- 9
- 297
- 289
- 244
- 144
- 25
- 43
- 891
- 224
- 65
- 27
- 34
- 190
- 37
- 3
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths