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
- 1.90 − 51 =
- 2.58 − 13 =
- 3.88 − 34 =
- 4.52 − 21 =
- 5.58 − 25 =
- 6.91 − 63 =
- 7.88 − 65 =
- 8.90 − 44 =
- 9.55 − 13 =
- 10.57 − 46 =
- 11.56 − 12 =
- 12.77 − 13 =
- 13.63 − 12 =
- 14.70 − 26 =
- 15.86 − 49 =
- 16.80 − 15 =
- 17.94 − 83 =
- 18.88 − 13 =
- 19.70 − 41 =
- 20.63 − 21 =
- 21.74 − 46 =
- 22.54 − 33 =
- 23.71 − 53 =
- 24.69 − 43 =
- 25.81 − 49 =
- 26.55 − 25 =
- 27.77 − 51 =
- 28.58 − 44 =
- 29.64 − 51 =
- 30.74 − 18 =
- 31.73 − 22 =
- 32.60 − 19 =
- 33.54 − 14 =
- 34.87 − 69 =
- 35.63 − 35 =
- 36.57 − 25 =
- 37.73 − 29 =
- 38.65 − 53 =
- 39.89 − 46 =
- 40.58 − 48 =
Answer key
- 39
- 45
- 54
- 31
- 33
- 28
- 23
- 46
- 42
- 11
- 44
- 64
- 51
- 44
- 37
- 65
- 11
- 75
- 29
- 42
- 28
- 21
- 18
- 26
- 32
- 30
- 26
- 14
- 13
- 56
- 51
- 41
- 40
- 18
- 28
- 32
- 44
- 12
- 43
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths