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
- 1.71 − 47 =
- 2.60 − 24 =
- 3.68 − 51 =
- 4.64 − 45 =
- 5.62 − 31 =
- 6.56 − 21 =
- 7.59 − 26 =
- 8.91 − 68 =
- 9.72 − 31 =
- 10.74 − 25 =
- 11.84 − 45 =
- 12.96 − 15 =
- 13.88 − 23 =
- 14.53 − 19 =
- 15.84 − 51 =
- 16.52 − 12 =
- 17.86 − 71 =
- 18.73 − 44 =
- 19.90 − 15 =
- 20.81 − 23 =
- 21.55 − 17 =
- 22.62 − 37 =
- 23.93 − 24 =
- 24.69 − 32 =
- 25.93 − 69 =
- 26.60 − 19 =
- 27.62 − 23 =
- 28.97 − 31 =
- 29.99 − 33 =
- 30.82 − 64 =
- 31.79 − 45 =
- 32.78 − 33 =
- 33.76 − 51 =
- 34.84 − 62 =
- 35.59 − 15 =
- 36.91 − 61 =
- 37.53 − 31 =
- 38.81 − 35 =
- 39.80 − 15 =
- 40.88 − 33 =
Answer key
- 24
- 36
- 17
- 19
- 31
- 35
- 33
- 23
- 41
- 49
- 39
- 81
- 65
- 34
- 33
- 40
- 15
- 29
- 75
- 58
- 38
- 25
- 69
- 37
- 24
- 41
- 39
- 66
- 66
- 18
- 34
- 45
- 25
- 22
- 44
- 30
- 22
- 46
- 65
- 55
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths