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
- 1.74 − 25 =
- 2.55 − 33 =
- 3.92 − 75 =
- 4.58 − 13 =
- 5.63 − 23 =
- 6.63 − 52 =
- 7.56 − 15 =
- 8.75 − 64 =
- 9.53 − 41 =
- 10.83 − 47 =
- 11.93 − 44 =
- 12.85 − 24 =
- 13.62 − 44 =
- 14.89 − 45 =
- 15.90 − 31 =
- 16.80 − 69 =
- 17.59 − 39 =
- 18.94 − 62 =
- 19.54 − 35 =
- 20.60 − 38 =
- 21.72 − 25 =
- 22.85 − 37 =
- 23.58 − 23 =
- 24.55 − 45 =
- 25.78 − 62 =
- 26.79 − 63 =
- 27.61 − 27 =
- 28.88 − 65 =
- 29.69 − 34 =
- 30.96 − 74 =
- 31.57 − 29 =
- 32.84 − 23 =
- 33.61 − 31 =
- 34.78 − 21 =
- 35.72 − 23 =
- 36.52 − 37 =
- 37.76 − 25 =
- 38.75 − 62 =
- 39.69 − 14 =
- 40.61 − 22 =
Answer key
- 49
- 22
- 17
- 45
- 40
- 11
- 41
- 11
- 12
- 36
- 49
- 61
- 18
- 44
- 59
- 11
- 20
- 32
- 19
- 22
- 47
- 48
- 35
- 10
- 16
- 16
- 34
- 23
- 35
- 22
- 28
- 61
- 30
- 57
- 49
- 15
- 51
- 13
- 55
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths