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 − 39 =
- 2.66 − 51 =
- 3.71 − 35 =
- 4.62 − 24 =
- 5.69 − 21 =
- 6.92 − 44 =
- 7.65 − 27 =
- 8.69 − 31 =
- 9.97 − 47 =
- 10.55 − 38 =
- 11.75 − 25 =
- 12.54 − 21 =
- 13.57 − 17 =
- 14.79 − 65 =
- 15.74 − 53 =
- 16.74 − 64 =
- 17.76 − 51 =
- 18.82 − 41 =
- 19.95 − 17 =
- 20.56 − 23 =
- 21.71 − 44 =
- 22.55 − 12 =
- 23.64 − 37 =
- 24.86 − 21 =
- 25.63 − 32 =
- 26.78 − 57 =
- 27.94 − 72 =
- 28.84 − 48 =
- 29.84 − 29 =
- 30.54 − 38 =
- 31.82 − 65 =
- 32.57 − 35 =
- 33.92 − 35 =
- 34.69 − 53 =
- 35.85 − 54 =
- 36.52 − 27 =
- 37.76 − 48 =
- 38.96 − 67 =
- 39.56 − 31 =
- 40.66 − 31 =
Answer key
- 17
- 15
- 36
- 38
- 48
- 48
- 38
- 38
- 50
- 17
- 50
- 33
- 40
- 14
- 21
- 10
- 25
- 41
- 78
- 33
- 27
- 43
- 27
- 65
- 31
- 21
- 22
- 36
- 55
- 16
- 17
- 22
- 57
- 16
- 31
- 25
- 28
- 29
- 25
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths