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
- 1.64 − 12 =
- 2.67 − 13 =
- 3.71 − 41 =
- 4.64 − 45 =
- 5.57 − 21 =
- 6.86 − 37 =
- 7.65 − 25 =
- 8.69 − 16 =
- 9.76 − 47 =
- 10.53 − 38 =
- 11.74 − 17 =
- 12.93 − 28 =
- 13.99 − 21 =
- 14.74 − 24 =
- 15.71 − 33 =
- 16.95 − 35 =
- 17.78 − 63 =
- 18.82 − 21 =
- 19.93 − 59 =
- 20.71 − 38 =
- 21.62 − 37 =
- 22.81 − 47 =
- 23.89 − 73 =
- 24.72 − 55 =
- 25.92 − 81 =
- 26.53 − 13 =
- 27.71 − 32 =
- 28.88 − 22 =
- 29.53 − 36 =
- 30.68 − 44 =
- 31.58 − 37 =
- 32.53 − 31 =
- 33.69 − 21 =
- 34.59 − 36 =
- 35.89 − 36 =
- 36.89 − 56 =
- 37.91 − 71 =
- 38.65 − 18 =
- 39.72 − 53 =
- 40.61 − 49 =
Answer key
- 52
- 54
- 30
- 19
- 36
- 49
- 40
- 53
- 29
- 15
- 57
- 65
- 78
- 50
- 38
- 60
- 15
- 61
- 34
- 33
- 25
- 34
- 16
- 17
- 11
- 40
- 39
- 66
- 17
- 24
- 21
- 22
- 48
- 23
- 53
- 33
- 20
- 47
- 19
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths