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
- 1.70 − 31 =
- 2.97 − 31 =
- 3.76 − 15 =
- 4.89 − 41 =
- 5.86 − 26 =
- 6.62 − 28 =
- 7.56 − 41 =
- 8.99 − 34 =
- 9.67 − 27 =
- 10.85 − 61 =
- 11.84 − 63 =
- 12.75 − 35 =
- 13.56 − 34 =
- 14.63 − 21 =
- 15.53 − 19 =
- 16.60 − 34 =
- 17.57 − 24 =
- 18.74 − 61 =
- 19.72 − 21 =
- 20.55 − 24 =
- 21.62 − 24 =
- 22.86 − 21 =
- 23.74 − 39 =
- 24.54 − 21 =
- 25.91 − 34 =
- 26.89 − 69 =
- 27.97 − 43 =
- 28.81 − 19 =
- 29.81 − 21 =
- 30.69 − 25 =
- 31.61 − 19 =
- 32.91 − 18 =
- 33.97 − 12 =
- 34.58 − 34 =
- 35.64 − 44 =
- 36.58 − 31 =
- 37.63 − 29 =
- 38.67 − 26 =
- 39.71 − 55 =
- 40.62 − 51 =
Answer key
- 39
- 66
- 61
- 48
- 60
- 34
- 15
- 65
- 40
- 24
- 21
- 40
- 22
- 42
- 34
- 26
- 33
- 13
- 51
- 31
- 38
- 65
- 35
- 33
- 57
- 20
- 54
- 62
- 60
- 44
- 42
- 73
- 85
- 24
- 20
- 27
- 34
- 41
- 16
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths