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 − 39 =
- 2.94 − 57 =
- 3.65 − 51 =
- 4.53 − 36 =
- 5.53 − 26 =
- 6.93 − 57 =
- 7.93 − 21 =
- 8.98 − 85 =
- 9.56 − 29 =
- 10.69 − 47 =
- 11.84 − 24 =
- 12.98 − 21 =
- 13.88 − 45 =
- 14.74 − 23 =
- 15.80 − 21 =
- 16.58 − 16 =
- 17.85 − 59 =
- 18.59 − 17 =
- 19.80 − 16 =
- 20.93 − 39 =
- 21.96 − 64 =
- 22.75 − 46 =
- 23.96 − 19 =
- 24.72 − 56 =
- 25.73 − 16 =
- 26.96 − 23 =
- 27.54 − 19 =
- 28.60 − 41 =
- 29.91 − 37 =
- 30.67 − 54 =
- 31.86 − 36 =
- 32.78 − 37 =
- 33.82 − 23 =
- 34.73 − 26 =
- 35.55 − 44 =
- 36.70 − 49 =
- 37.98 − 17 =
- 38.99 − 73 =
- 39.59 − 38 =
- 40.90 − 48 =
Answer key
- 21
- 37
- 14
- 17
- 27
- 36
- 72
- 13
- 27
- 22
- 60
- 77
- 43
- 51
- 59
- 42
- 26
- 42
- 64
- 54
- 32
- 29
- 77
- 16
- 57
- 73
- 35
- 19
- 54
- 13
- 50
- 41
- 59
- 47
- 11
- 21
- 81
- 26
- 21
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths