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
- 1.53 − 42 =
- 2.78 − 15 =
- 3.78 − 61 =
- 4.88 − 67 =
- 5.70 − 21 =
- 6.68 − 27 =
- 7.73 − 61 =
- 8.90 − 64 =
- 9.64 − 46 =
- 10.62 − 28 =
- 11.54 − 23 =
- 12.91 − 71 =
- 13.84 − 16 =
- 14.95 − 81 =
- 15.74 − 36 =
- 16.61 − 45 =
- 17.57 − 17 =
- 18.53 − 26 =
- 19.82 − 22 =
- 20.80 − 31 =
- 21.82 − 19 =
- 22.96 − 42 =
- 23.71 − 56 =
- 24.92 − 21 =
- 25.72 − 39 =
- 26.96 − 26 =
- 27.85 − 36 =
- 28.93 − 61 =
- 29.98 − 73 =
- 30.59 − 15 =
- 31.62 − 52 =
- 32.52 − 31 =
- 33.77 − 37 =
- 34.96 − 35 =
- 35.63 − 13 =
- 36.56 − 17 =
- 37.60 − 29 =
- 38.92 − 38 =
- 39.85 − 27 =
- 40.84 − 41 =
Answer key
- 11
- 63
- 17
- 21
- 49
- 41
- 12
- 26
- 18
- 34
- 31
- 20
- 68
- 14
- 38
- 16
- 40
- 27
- 60
- 49
- 63
- 54
- 15
- 71
- 33
- 70
- 49
- 32
- 25
- 44
- 10
- 21
- 40
- 61
- 50
- 39
- 31
- 54
- 58
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths