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
- 1.60 − 15 =
- 2.65 − 44 =
- 3.72 − 41 =
- 4.74 − 19 =
- 5.73 − 58 =
- 6.92 − 32 =
- 7.64 − 17 =
- 8.69 − 41 =
- 9.61 − 25 =
- 10.62 − 42 =
- 11.83 − 47 =
- 12.54 − 15 =
- 13.64 − 51 =
- 14.91 − 73 =
- 15.76 − 27 =
- 16.64 − 29 =
- 17.54 − 36 =
- 18.72 − 58 =
- 19.86 − 23 =
- 20.99 − 33 =
- 21.60 − 34 =
- 22.96 − 24 =
- 23.83 − 72 =
- 24.74 − 22 =
- 25.82 − 41 =
- 26.85 − 43 =
- 27.65 − 43 =
- 28.64 − 39 =
- 29.53 − 24 =
- 30.72 − 21 =
- 31.63 − 25 =
- 32.83 − 28 =
- 33.87 − 18 =
- 34.64 − 37 =
- 35.56 − 23 =
- 36.96 − 64 =
- 37.86 − 47 =
- 38.65 − 39 =
- 39.54 − 33 =
- 40.55 − 43 =
Answer key
- 45
- 21
- 31
- 55
- 15
- 60
- 47
- 28
- 36
- 20
- 36
- 39
- 13
- 18
- 49
- 35
- 18
- 14
- 63
- 66
- 26
- 72
- 11
- 52
- 41
- 42
- 22
- 25
- 29
- 51
- 38
- 55
- 69
- 27
- 33
- 32
- 39
- 26
- 21
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths