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
- 1.58 − 21 =
- 2.59 − 18 =
- 3.70 − 24 =
- 4.70 − 53 =
- 5.54 − 17 =
- 6.53 − 13 =
- 7.57 − 33 =
- 8.91 − 16 =
- 9.62 − 43 =
- 10.55 − 14 =
- 11.56 − 28 =
- 12.95 − 62 =
- 13.74 − 21 =
- 14.59 − 28 =
- 15.74 − 58 =
- 16.61 − 41 =
- 17.83 − 49 =
- 18.63 − 26 =
- 19.56 − 35 =
- 20.93 − 62 =
- 21.73 − 57 =
- 22.57 − 31 =
- 23.88 − 23 =
- 24.64 − 21 =
- 25.62 − 37 =
- 26.96 − 51 =
- 27.79 − 19 =
- 28.86 − 46 =
- 29.63 − 53 =
- 30.88 − 41 =
- 31.98 − 21 =
- 32.96 − 48 =
- 33.60 − 18 =
- 34.76 − 51 =
- 35.86 − 14 =
- 36.60 − 45 =
- 37.89 − 55 =
- 38.69 − 22 =
- 39.78 − 12 =
- 40.57 − 15 =
Answer key
- 37
- 41
- 46
- 17
- 37
- 40
- 24
- 75
- 19
- 41
- 28
- 33
- 53
- 31
- 16
- 20
- 34
- 37
- 21
- 31
- 16
- 26
- 65
- 43
- 25
- 45
- 60
- 40
- 10
- 47
- 77
- 48
- 42
- 25
- 72
- 15
- 34
- 47
- 66
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths