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
- 1.79 − 31 =
- 2.69 − 28 =
- 3.57 − 35 =
- 4.66 − 14 =
- 5.55 − 29 =
- 6.55 − 26 =
- 7.68 − 52 =
- 8.62 − 42 =
- 9.77 − 44 =
- 10.74 − 43 =
- 11.99 − 39 =
- 12.54 − 32 =
- 13.54 − 42 =
- 14.63 − 42 =
- 15.52 − 38 =
- 16.66 − 19 =
- 17.75 − 26 =
- 18.68 − 19 =
- 19.76 − 34 =
- 20.67 − 17 =
- 21.94 − 23 =
- 22.64 − 37 =
- 23.76 − 33 =
- 24.63 − 38 =
- 25.62 − 47 =
- 26.77 − 54 =
- 27.77 − 27 =
- 28.96 − 53 =
- 29.87 − 24 =
- 30.64 − 28 =
- 31.91 − 55 =
- 32.64 − 12 =
- 33.89 − 73 =
- 34.98 − 62 =
- 35.98 − 65 =
- 36.84 − 28 =
- 37.80 − 68 =
- 38.71 − 59 =
- 39.53 − 29 =
- 40.73 − 22 =
Answer key
- 48
- 41
- 22
- 52
- 26
- 29
- 16
- 20
- 33
- 31
- 60
- 22
- 12
- 21
- 14
- 47
- 49
- 49
- 42
- 50
- 71
- 27
- 43
- 25
- 15
- 23
- 50
- 43
- 63
- 36
- 36
- 52
- 16
- 36
- 33
- 56
- 12
- 12
- 24
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths