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
- 1.70 − 46 =
- 2.52 − 25 =
- 3.74 − 28 =
- 4.92 − 16 =
- 5.64 − 13 =
- 6.79 − 46 =
- 7.68 − 22 =
- 8.55 − 33 =
- 9.57 − 31 =
- 10.95 − 78 =
- 11.99 − 54 =
- 12.68 − 21 =
- 13.83 − 62 =
- 14.64 − 34 =
- 15.75 − 19 =
- 16.54 − 44 =
- 17.80 − 45 =
- 18.84 − 25 =
- 19.86 − 47 =
- 20.54 − 13 =
- 21.73 − 45 =
- 22.96 − 48 =
- 23.83 − 68 =
- 24.65 − 36 =
- 25.80 − 63 =
- 26.72 − 46 =
- 27.88 − 43 =
- 28.63 − 27 =
- 29.53 − 34 =
- 30.69 − 23 =
- 31.83 − 55 =
- 32.77 − 33 =
- 33.79 − 63 =
- 34.81 − 44 =
- 35.56 − 12 =
- 36.96 − 22 =
- 37.91 − 76 =
- 38.56 − 21 =
- 39.96 − 51 =
- 40.90 − 23 =
Answer key
- 24
- 27
- 46
- 76
- 51
- 33
- 46
- 22
- 26
- 17
- 45
- 47
- 21
- 30
- 56
- 10
- 35
- 59
- 39
- 41
- 28
- 48
- 15
- 29
- 17
- 26
- 45
- 36
- 19
- 46
- 28
- 44
- 16
- 37
- 44
- 74
- 15
- 35
- 45
- 67
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths