Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.56 − 31 =
- 2.52 − 31 =
- 3.81 − 24 =
- 4.60 − 35 =
- 5.74 − 52 =
- 6.98 − 76 =
- 7.96 − 24 =
- 8.70 − 19 =
- 9.84 − 38 =
- 10.72 − 23 =
- 11.85 − 71 =
- 12.72 − 13 =
- 13.90 − 35 =
- 14.96 − 56 =
- 15.69 − 18 =
- 16.91 − 73 =
- 17.92 − 73 =
- 18.68 − 18 =
- 19.92 − 19 =
- 20.70 − 26 =
- 21.64 − 13 =
- 22.53 − 25 =
- 23.99 − 17 =
- 24.53 − 33 =
- 25.63 − 18 =
- 26.91 − 77 =
- 27.83 − 72 =
- 28.95 − 46 =
- 29.96 − 19 =
- 30.75 − 64 =
- 31.75 − 59 =
- 32.61 − 31 =
- 33.60 − 28 =
- 34.91 − 19 =
- 35.54 − 21 =
- 36.94 − 41 =
- 37.96 − 81 =
- 38.86 − 12 =
- 39.92 − 66 =
- 40.55 − 12 =
Answer key
- 25
- 21
- 57
- 25
- 22
- 22
- 72
- 51
- 46
- 49
- 14
- 59
- 55
- 40
- 51
- 18
- 19
- 50
- 73
- 44
- 51
- 28
- 82
- 20
- 45
- 14
- 11
- 49
- 77
- 11
- 16
- 30
- 32
- 72
- 33
- 53
- 15
- 74
- 26
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths