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
- 1.148 ÷ 4 =
- 2.196 ÷ 4 =
- 3.28 + 9 =
- 4.67 − 51 =
- 5.77 + 44 =
- 6.35 + 19 =
- 7.What is the remainder when 46 is divided by 3?
- 8.15 + 17 =
- 9.24 + 26 =
- 10.Double 64 =
- 11.3 + ? = 10
- 12.16 × 8 =
- 13.What is the remainder when 17 is divided by 3?
- 14.69 + 2 =
- 15.Double 43 =
- 16.A cricket match starts at 5:35 and the first innings ends at 6:45. How many minutes did the innings last?
- 17.22² =
- 18.Best estimate of 73 × 90? (a) 6300 (b) 63000 (c) 630
- 19.160 ÷ 8 =
- 20.226 + 99 =
- 21.50% of ₹400 =
- 22.85 × 6 =
- 23.What is the remainder when 37 is divided by 5?
- 24.49 + ? = 100
- 25.36 + 19 =
- 26.1016 − 984 =
- 27.A train leaves at 6:40 and reaches the next city at 9:10. How many minutes is the journey?
- 28.Best estimate of 67 × 41? (a) 28000 (b) 280 (c) 2800
- 29.73 + ? = 100
- 30.Double 61 =
- 31.93 × 5 =
- 32.11 + 13 =
- 33.47 laddoos are packed in boxes of 3. How many laddoos are left over?
- 34.5 + ? = 10
- 35.Double 99 =
- 36.29 children stand in rows of 3. How many full rows can they make?
- 37.69 children stand in rows of 9. How many full rows can they make?
- 38.103 − 29 =
- 39.79 + 29 =
- 40.27² =
Answer key
- 37
- 49
- 37
- 16
- 121
- 54
- 1
- 32
- 50
- 128
- 7
- 128
- 2
- 71
- 86
- 70
- 484
- 6300
- 20
- 325
- 200
- 510
- 2
- 51
- 55
- 32
- 150
- 2800
- 27
- 122
- 465
- 24
- 2
- 5
- 198
- 9
- 7
- 74
- 108
- 729
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths