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
- 1.56 − 43 =
- 2.69 − 34 =
- 3.85 − 45 =
- 4.84 − 47 =
- 5.84 − 72 =
- 6.66 − 51 =
- 7.69 − 13 =
- 8.56 − 25 =
- 9.70 − 25 =
- 10.65 − 37 =
- 11.74 − 15 =
- 12.78 − 15 =
- 13.85 − 18 =
- 14.62 − 23 =
- 15.73 − 13 =
- 16.73 − 19 =
- 17.69 − 46 =
- 18.66 − 54 =
- 19.80 − 61 =
- 20.64 − 23 =
- 21.85 − 68 =
- 22.72 − 22 =
- 23.70 − 19 =
- 24.74 − 19 =
- 25.59 − 16 =
- 26.61 − 21 =
- 27.77 − 15 =
- 28.74 − 32 =
- 29.72 − 55 =
- 30.85 − 38 =
- 31.62 − 21 =
- 32.53 − 14 =
- 33.64 − 27 =
- 34.54 − 15 =
- 35.63 − 29 =
- 36.63 − 43 =
- 37.72 − 12 =
- 38.93 − 64 =
- 39.66 − 19 =
- 40.68 − 52 =
Answer key
- 13
- 35
- 40
- 37
- 12
- 15
- 56
- 31
- 45
- 28
- 59
- 63
- 67
- 39
- 60
- 54
- 23
- 12
- 19
- 41
- 17
- 50
- 51
- 55
- 43
- 40
- 62
- 42
- 17
- 47
- 41
- 39
- 37
- 39
- 34
- 20
- 60
- 29
- 47
- 16
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths