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
- 1.64 − 51 =
- 2.104 ÷ 4 =
- 3.160 ÷ 8 =
- 4.28 + 30 =
- 5.469 ÷ 7 =
- 6.59 − 23 =
- 7.You buy a kite for ₹44 and pay with a ₹100 note. How much change do you get, in rupees?
- 8.46 + 9 =
- 9.68 + 8 =
- 10.27 + 5 =
- 11.392 ÷ 8 =
- 12.177 + 99 =
- 13.Double 45 =
- 14.25 + ? = 100
- 15.63 + 21 =
- 16.54 − 42 =
- 17.Half of 112 =
- 18.110 children stand in rows of 9. How many full rows can they make?
- 19.92 − 62 =
- 20.77 + 56 =
- 21.15 + 17 =
- 22.19 + 2 =
- 23.37 laddoos are packed in boxes of 3. How many laddoos are left over?
- 24.63 × 8 =
- 25.84 + ? = 100
- 26.352 ÷ 4 =
- 27.22 + 29 =
- 28.34 × 5 =
- 29.79 + 8 =
- 30.A cricket match starts at 8:45 and the first innings ends at 10:40. How many minutes did the innings last?
- 31.116 ÷ 4 =
- 32.28 + 3 =
- 33.14² =
- 34.A train leaves at 2:55 and reaches the next city at 5:35. How many minutes is the journey?
- 35.Double 37 =
- 36.33 + ? = 100
- 37.25 + 7 =
- 38.What is the remainder when 74 is divided by 7?
- 39.Best estimate of 682 + 574? (a) 1300 (b) 1500 (c) 1100
- 40.120 ÷ 8 =
Answer key
- 13
- 26
- 20
- 58
- 67
- 36
- 56
- 55
- 76
- 32
- 49
- 276
- 90
- 75
- 84
- 12
- 56
- 12
- 30
- 133
- 32
- 21
- 1
- 504
- 16
- 88
- 51
- 170
- 87
- 115
- 29
- 31
- 196
- 160
- 74
- 67
- 32
- 4
- 1300
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths