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
- 1.55 − 36 =
- 2.57 − 25 =
- 3.52 − 31 =
- 4.89 − 12 =
- 5.95 − 13 =
- 6.89 − 71 =
- 7.97 − 18 =
- 8.99 − 43 =
- 9.77 − 56 =
- 10.70 − 51 =
- 11.98 − 26 =
- 12.96 − 36 =
- 13.53 − 36 =
- 14.72 − 18 =
- 15.57 − 21 =
- 16.52 − 33 =
- 17.63 − 23 =
- 18.74 − 52 =
- 19.83 − 33 =
- 20.70 − 53 =
- 21.54 − 41 =
- 22.93 − 35 =
- 23.86 − 71 =
- 24.56 − 26 =
- 25.76 − 21 =
- 26.96 − 15 =
- 27.86 − 31 =
- 28.85 − 48 =
- 29.65 − 55 =
- 30.68 − 45 =
- 31.79 − 13 =
- 32.52 − 12 =
- 33.74 − 34 =
- 34.68 − 36 =
- 35.62 − 42 =
- 36.88 − 37 =
- 37.78 − 22 =
- 38.90 − 44 =
- 39.79 − 47 =
- 40.70 − 42 =
Answer key
- 19
- 32
- 21
- 77
- 82
- 18
- 79
- 56
- 21
- 19
- 72
- 60
- 17
- 54
- 36
- 19
- 40
- 22
- 50
- 17
- 13
- 58
- 15
- 30
- 55
- 81
- 55
- 37
- 10
- 23
- 66
- 40
- 40
- 32
- 20
- 51
- 56
- 46
- 32
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths