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
- 1.58 − 14 =
- 2.66 − 17 =
- 3.58 − 16 =
- 4.94 − 59 =
- 5.86 − 42 =
- 6.71 − 42 =
- 7.58 − 29 =
- 8.52 − 35 =
- 9.92 − 31 =
- 10.81 − 62 =
- 11.55 − 14 =
- 12.74 − 62 =
- 13.79 − 59 =
- 14.80 − 43 =
- 15.95 − 24 =
- 16.92 − 78 =
- 17.53 − 29 =
- 18.69 − 42 =
- 19.63 − 13 =
- 20.96 − 73 =
- 21.87 − 42 =
- 22.74 − 48 =
- 23.92 − 52 =
- 24.84 − 16 =
- 25.58 − 36 =
- 26.75 − 12 =
- 27.97 − 13 =
- 28.94 − 15 =
- 29.94 − 72 =
- 30.88 − 38 =
- 31.88 − 31 =
- 32.77 − 35 =
- 33.78 − 41 =
- 34.79 − 62 =
- 35.74 − 27 =
- 36.60 − 45 =
- 37.60 − 17 =
- 38.95 − 14 =
- 39.96 − 51 =
- 40.71 − 16 =
Answer key
- 44
- 49
- 42
- 35
- 44
- 29
- 29
- 17
- 61
- 19
- 41
- 12
- 20
- 37
- 71
- 14
- 24
- 27
- 50
- 23
- 45
- 26
- 40
- 68
- 22
- 63
- 84
- 79
- 22
- 50
- 57
- 42
- 37
- 17
- 47
- 15
- 43
- 81
- 45
- 55
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths