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
- 1.517 − 484 =
- 2.7 + 9 =
- 3.70 − 37 =
- 4.24 + 26 =
- 5.44 laddoos are packed in boxes of 3. How many laddoos are left over?
- 6.54 × 7 =
- 7.28 + 49 =
- 8.Best estimate of 212 + 878? (a) 1100 (b) 1300 (c) 900
- 9.Half of 188 =
- 10.22² =
- 11.49 + 81 =
- 12.Best estimate of 76 × 48? (a) 4000 (b) 40000 (c) 400
- 13.10% of ₹750 =
- 14.34 × 4 =
- 15.369 ÷ 9 =
- 16.97 laddoos are packed in boxes of 9. How many laddoos are left over?
- 17.124 ÷ 4 =
- 18.Best estimate of 690 + 645? (a) 1500 (b) 1300 (c) 1100
- 19.28 + ? = 100
- 20.26 children stand in rows of 4. How many full rows can they make?
- 21.3 + ? = 10
- 22.A cricket match starts at 6:50 and the first innings ends at 7:30. How many minutes did the innings last?
- 23.24 + 25 =
- 24.45 + 78 =
- 25.25% of ₹830 =
- 26.152 ÷ 8 =
- 27.6 + ? = 10
- 28.What is the remainder when 73 is divided by 8?
- 29.5% of ₹90 =
- 30.You buy a box of crayons for ₹62 and pay with a ₹100 note. How much change do you get, in rupees?
- 31.88 − 33 =
- 32.80 + 44 =
- 33.28 × 7 =
- 34.48 + 3 =
- 35.21 − 9 =
- 36.15² =
- 37.132 ÷ 4 =
- 38.67 + 8 =
- 39.39 × 8 =
- 40.A cricket match starts at 7:20 and the first innings ends at 10:25. How many minutes did the innings last?
Answer key
- 33
- 16
- 33
- 50
- 2
- 378
- 77
- 1100
- 94
- 484
- 130
- 4000
- 75
- 136
- 41
- 7
- 31
- 1300
- 72
- 6
- 7
- 40
- 49
- 123
- 207.5
- 19
- 4
- 1
- 4.5
- 38
- 55
- 124
- 196
- 51
- 12
- 225
- 33
- 75
- 312
- 185
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths