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
- 1.53 − 28 =
- 2.75 − 49 =
- 3.86 − 41 =
- 4.79 − 47 =
- 5.78 − 41 =
- 6.82 − 47 =
- 7.81 − 66 =
- 8.95 − 21 =
- 9.89 − 61 =
- 10.85 − 31 =
- 11.84 − 24 =
- 12.80 − 47 =
- 13.54 − 31 =
- 14.53 − 31 =
- 15.61 − 45 =
- 16.72 − 33 =
- 17.72 − 58 =
- 18.61 − 48 =
- 19.74 − 27 =
- 20.56 − 14 =
- 21.81 − 57 =
- 22.57 − 47 =
- 23.86 − 37 =
- 24.66 − 25 =
- 25.55 − 38 =
- 26.74 − 34 =
- 27.62 − 23 =
- 28.69 − 38 =
- 29.93 − 51 =
- 30.98 − 56 =
- 31.54 − 13 =
- 32.52 − 22 =
- 33.56 − 31 =
- 34.53 − 23 =
- 35.76 − 44 =
- 36.95 − 29 =
- 37.74 − 33 =
- 38.91 − 65 =
- 39.89 − 41 =
- 40.60 − 39 =
Answer key
- 25
- 26
- 45
- 32
- 37
- 35
- 15
- 74
- 28
- 54
- 60
- 33
- 23
- 22
- 16
- 39
- 14
- 13
- 47
- 42
- 24
- 10
- 49
- 41
- 17
- 40
- 39
- 31
- 42
- 42
- 41
- 30
- 25
- 30
- 32
- 66
- 41
- 26
- 48
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths