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
- 1.65 − 35 =
- 2.90 − 64 =
- 3.89 − 25 =
- 4.55 − 25 =
- 5.94 − 15 =
- 6.95 − 43 =
- 7.63 − 37 =
- 8.86 − 21 =
- 9.62 − 27 =
- 10.85 − 53 =
- 11.67 − 38 =
- 12.89 − 78 =
- 13.80 − 28 =
- 14.91 − 36 =
- 15.57 − 21 =
- 16.96 − 65 =
- 17.78 − 48 =
- 18.74 − 39 =
- 19.67 − 56 =
- 20.62 − 35 =
- 21.52 − 31 =
- 22.56 − 42 =
- 23.57 − 22 =
- 24.75 − 12 =
- 25.77 − 63 =
- 26.98 − 87 =
- 27.99 − 65 =
- 28.91 − 26 =
- 29.61 − 29 =
- 30.81 − 55 =
- 31.78 − 44 =
- 32.98 − 18 =
- 33.55 − 21 =
- 34.76 − 63 =
- 35.71 − 49 =
- 36.73 − 44 =
- 37.82 − 34 =
- 38.79 − 17 =
- 39.79 − 59 =
- 40.57 − 47 =
Answer key
- 30
- 26
- 64
- 30
- 79
- 52
- 26
- 65
- 35
- 32
- 29
- 11
- 52
- 55
- 36
- 31
- 30
- 35
- 11
- 27
- 21
- 14
- 35
- 63
- 14
- 11
- 34
- 65
- 32
- 26
- 34
- 80
- 34
- 13
- 22
- 29
- 48
- 62
- 20
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths