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
- 1.63 − 42 =
- 2.61 − 12 =
- 3.56 − 41 =
- 4.53 − 19 =
- 5.84 − 58 =
- 6.53 − 31 =
- 7.94 − 54 =
- 8.85 − 24 =
- 9.91 − 78 =
- 10.62 − 27 =
- 11.54 − 35 =
- 12.73 − 23 =
- 13.79 − 47 =
- 14.82 − 27 =
- 15.52 − 34 =
- 16.57 − 41 =
- 17.53 − 16 =
- 18.81 − 33 =
- 19.72 − 58 =
- 20.80 − 37 =
- 21.79 − 19 =
- 22.92 − 64 =
- 23.79 − 42 =
- 24.85 − 25 =
- 25.86 − 63 =
- 26.88 − 66 =
- 27.76 − 66 =
- 28.59 − 36 =
- 29.74 − 61 =
- 30.61 − 45 =
- 31.80 − 51 =
- 32.75 − 31 =
- 33.70 − 12 =
- 34.55 − 41 =
- 35.90 − 67 =
- 36.83 − 38 =
- 37.64 − 32 =
- 38.84 − 73 =
- 39.54 − 16 =
- 40.83 − 15 =
Answer key
- 21
- 49
- 15
- 34
- 26
- 22
- 40
- 61
- 13
- 35
- 19
- 50
- 32
- 55
- 18
- 16
- 37
- 48
- 14
- 43
- 60
- 28
- 37
- 60
- 23
- 22
- 10
- 23
- 13
- 16
- 29
- 44
- 58
- 14
- 23
- 45
- 32
- 11
- 38
- 68
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths