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
- 1.68 − 49 =
- 2.89 − 64 =
- 3.84 − 13 =
- 4.65 − 16 =
- 5.87 − 24 =
- 6.97 − 55 =
- 7.76 − 56 =
- 8.96 − 77 =
- 9.75 − 18 =
- 10.73 − 27 =
- 11.90 − 35 =
- 12.69 − 53 =
- 13.75 − 55 =
- 14.55 − 45 =
- 15.77 − 41 =
- 16.79 − 21 =
- 17.86 − 47 =
- 18.82 − 53 =
- 19.74 − 19 =
- 20.78 − 58 =
- 21.76 − 25 =
- 22.61 − 23 =
- 23.91 − 54 =
- 24.89 − 61 =
- 25.53 − 41 =
- 26.92 − 67 =
- 27.67 − 35 =
- 28.74 − 57 =
- 29.90 − 58 =
- 30.86 − 64 =
- 31.74 − 13 =
- 32.65 − 53 =
- 33.56 − 41 =
- 34.90 − 21 =
- 35.63 − 42 =
- 36.64 − 15 =
- 37.58 − 34 =
- 38.84 − 36 =
- 39.64 − 28 =
- 40.71 − 14 =
Answer key
- 19
- 25
- 71
- 49
- 63
- 42
- 20
- 19
- 57
- 46
- 55
- 16
- 20
- 10
- 36
- 58
- 39
- 29
- 55
- 20
- 51
- 38
- 37
- 28
- 12
- 25
- 32
- 17
- 32
- 22
- 61
- 12
- 15
- 69
- 21
- 49
- 24
- 48
- 36
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths