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
- 1.87 − 37 =
- 2.80 − 31 =
- 3.63 − 48 =
- 4.92 − 52 =
- 5.79 − 28 =
- 6.65 − 51 =
- 7.67 − 44 =
- 8.57 − 45 =
- 9.59 − 19 =
- 10.91 − 37 =
- 11.62 − 51 =
- 12.52 − 22 =
- 13.94 − 18 =
- 14.78 − 33 =
- 15.70 − 56 =
- 16.97 − 46 =
- 17.74 − 29 =
- 18.76 − 41 =
- 19.74 − 13 =
- 20.72 − 15 =
- 21.76 − 18 =
- 22.99 − 51 =
- 23.80 − 25 =
- 24.82 − 59 =
- 25.79 − 27 =
- 26.59 − 41 =
- 27.94 − 61 =
- 28.54 − 44 =
- 29.86 − 15 =
- 30.96 − 61 =
- 31.72 − 49 =
- 32.58 − 17 =
- 33.78 − 56 =
- 34.87 − 58 =
- 35.57 − 36 =
- 36.77 − 63 =
- 37.79 − 57 =
- 38.65 − 44 =
- 39.91 − 74 =
- 40.59 − 26 =
Answer key
- 50
- 49
- 15
- 40
- 51
- 14
- 23
- 12
- 40
- 54
- 11
- 30
- 76
- 45
- 14
- 51
- 45
- 35
- 61
- 57
- 58
- 48
- 55
- 23
- 52
- 18
- 33
- 10
- 71
- 35
- 23
- 41
- 22
- 29
- 21
- 14
- 22
- 21
- 17
- 33
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths