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
- 1.60 − 31 =
- 2.65 − 31 =
- 3.72 − 49 =
- 4.74 − 24 =
- 5.93 − 51 =
- 6.53 − 33 =
- 7.56 − 13 =
- 8.63 − 39 =
- 9.69 − 14 =
- 10.69 − 21 =
- 11.99 − 34 =
- 12.63 − 45 =
- 13.67 − 26 =
- 14.68 − 36 =
- 15.80 − 22 =
- 16.86 − 76 =
- 17.78 − 13 =
- 18.54 − 21 =
- 19.89 − 71 =
- 20.59 − 22 =
- 21.78 − 57 =
- 22.60 − 41 =
- 23.87 − 16 =
- 24.82 − 13 =
- 25.88 − 73 =
- 26.70 − 38 =
- 27.58 − 13 =
- 28.63 − 29 =
- 29.96 − 34 =
- 30.70 − 32 =
- 31.62 − 51 =
- 32.83 − 22 =
- 33.79 − 18 =
- 34.92 − 65 =
- 35.52 − 41 =
- 36.53 − 34 =
- 37.60 − 46 =
- 38.82 − 47 =
- 39.60 − 29 =
- 40.68 − 44 =
Answer key
- 29
- 34
- 23
- 50
- 42
- 20
- 43
- 24
- 55
- 48
- 65
- 18
- 41
- 32
- 58
- 10
- 65
- 33
- 18
- 37
- 21
- 19
- 71
- 69
- 15
- 32
- 45
- 34
- 62
- 38
- 11
- 61
- 61
- 27
- 11
- 19
- 14
- 35
- 31
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths