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
- 1.57 − 25 =
- 2.88 − 55 =
- 3.76 − 13 =
- 4.65 − 18 =
- 5.77 − 54 =
- 6.88 − 12 =
- 7.69 − 29 =
- 8.66 − 53 =
- 9.60 − 22 =
- 10.96 − 15 =
- 11.75 − 21 =
- 12.59 − 43 =
- 13.63 − 33 =
- 14.75 − 19 =
- 15.88 − 78 =
- 16.65 − 33 =
- 17.64 − 49 =
- 18.58 − 21 =
- 19.91 − 21 =
- 20.57 − 28 =
- 21.80 − 47 =
- 22.60 − 39 =
- 23.85 − 16 =
- 24.91 − 54 =
- 25.59 − 14 =
- 26.66 − 34 =
- 27.53 − 25 =
- 28.92 − 38 =
- 29.94 − 77 =
- 30.91 − 33 =
- 31.74 − 12 =
- 32.73 − 33 =
- 33.87 − 31 =
- 34.74 − 26 =
- 35.56 − 42 =
- 36.71 − 29 =
- 37.99 − 21 =
- 38.90 − 59 =
- 39.65 − 36 =
- 40.63 − 21 =
Answer key
- 32
- 33
- 63
- 47
- 23
- 76
- 40
- 13
- 38
- 81
- 54
- 16
- 30
- 56
- 10
- 32
- 15
- 37
- 70
- 29
- 33
- 21
- 69
- 37
- 45
- 32
- 28
- 54
- 17
- 58
- 62
- 40
- 56
- 48
- 14
- 42
- 78
- 31
- 29
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths