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
- 1.56 − 18 =
- 2.68 − 22 =
- 3.64 − 47 =
- 4.58 − 35 =
- 5.79 − 64 =
- 6.54 − 14 =
- 7.99 − 14 =
- 8.56 − 26 =
- 9.71 − 18 =
- 10.85 − 31 =
- 11.53 − 19 =
- 12.94 − 38 =
- 13.82 − 71 =
- 14.79 − 33 =
- 15.58 − 38 =
- 16.83 − 67 =
- 17.83 − 36 =
- 18.80 − 52 =
- 19.67 − 27 =
- 20.72 − 29 =
- 21.55 − 41 =
- 22.90 − 27 =
- 23.64 − 21 =
- 24.91 − 59 =
- 25.83 − 69 =
- 26.74 − 57 =
- 27.58 − 26 =
- 28.80 − 15 =
- 29.56 − 39 =
- 30.57 − 28 =
- 31.54 − 41 =
- 32.93 − 75 =
- 33.52 − 15 =
- 34.96 − 41 =
- 35.56 − 37 =
- 36.58 − 18 =
- 37.76 − 31 =
- 38.71 − 48 =
- 39.87 − 57 =
- 40.55 − 14 =
Answer key
- 38
- 46
- 17
- 23
- 15
- 40
- 85
- 30
- 53
- 54
- 34
- 56
- 11
- 46
- 20
- 16
- 47
- 28
- 40
- 43
- 14
- 63
- 43
- 32
- 14
- 17
- 32
- 65
- 17
- 29
- 13
- 18
- 37
- 55
- 19
- 40
- 45
- 23
- 30
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths