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
- 1.67 − 45 =
- 2.64 − 19 =
- 3.63 − 42 =
- 4.56 − 46 =
- 5.68 − 51 =
- 6.60 − 12 =
- 7.93 − 75 =
- 8.62 − 31 =
- 9.58 − 45 =
- 10.75 − 26 =
- 11.72 − 38 =
- 12.88 − 28 =
- 13.98 − 28 =
- 14.70 − 41 =
- 15.64 − 52 =
- 16.94 − 37 =
- 17.98 − 36 =
- 18.55 − 44 =
- 19.77 − 56 =
- 20.63 − 52 =
- 21.59 − 45 =
- 22.62 − 48 =
- 23.88 − 45 =
- 24.95 − 54 =
- 25.64 − 45 =
- 26.78 − 43 =
- 27.72 − 23 =
- 28.91 − 35 =
- 29.92 − 51 =
- 30.55 − 19 =
- 31.73 − 27 =
- 32.84 − 28 =
- 33.63 − 13 =
- 34.61 − 34 =
- 35.97 − 65 =
- 36.80 − 14 =
- 37.79 − 51 =
- 38.87 − 51 =
- 39.76 − 47 =
- 40.55 − 41 =
Answer key
- 22
- 45
- 21
- 10
- 17
- 48
- 18
- 31
- 13
- 49
- 34
- 60
- 70
- 29
- 12
- 57
- 62
- 11
- 21
- 11
- 14
- 14
- 43
- 41
- 19
- 35
- 49
- 56
- 41
- 36
- 46
- 56
- 50
- 27
- 32
- 66
- 28
- 36
- 29
- 14
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths