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
- 1.65 − 47 =
- 2.53 − 24 =
- 3.98 − 53 =
- 4.55 − 21 =
- 5.62 − 29 =
- 6.85 − 51 =
- 7.69 − 12 =
- 8.60 − 33 =
- 9.86 − 31 =
- 10.70 − 19 =
- 11.52 − 41 =
- 12.52 − 23 =
- 13.98 − 21 =
- 14.69 − 39 =
- 15.56 − 31 =
- 16.54 − 34 =
- 17.75 − 41 =
- 18.89 − 29 =
- 19.74 − 48 =
- 20.62 − 17 =
- 21.70 − 32 =
- 22.82 − 41 =
- 23.99 − 86 =
- 24.96 − 59 =
- 25.63 − 12 =
- 26.89 − 26 =
- 27.66 − 14 =
- 28.89 − 51 =
- 29.81 − 22 =
- 30.77 − 59 =
- 31.81 − 38 =
- 32.82 − 16 =
- 33.98 − 44 =
- 34.97 − 22 =
- 35.80 − 28 =
- 36.66 − 37 =
- 37.93 − 55 =
- 38.63 − 32 =
- 39.82 − 53 =
- 40.72 − 48 =
Answer key
- 18
- 29
- 45
- 34
- 33
- 34
- 57
- 27
- 55
- 51
- 11
- 29
- 77
- 30
- 25
- 20
- 34
- 60
- 26
- 45
- 38
- 41
- 13
- 37
- 51
- 63
- 52
- 38
- 59
- 18
- 43
- 66
- 54
- 75
- 52
- 29
- 38
- 31
- 29
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths