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
- 1.70 − 15 =
- 2.63 − 19 =
- 3.64 − 52 =
- 4.52 − 29 =
- 5.74 − 18 =
- 6.56 − 29 =
- 7.89 − 32 =
- 8.84 − 44 =
- 9.92 − 28 =
- 10.71 − 15 =
- 11.95 − 72 =
- 12.89 − 74 =
- 13.98 − 52 =
- 14.71 − 17 =
- 15.65 − 24 =
- 16.84 − 16 =
- 17.96 − 41 =
- 18.86 − 64 =
- 19.90 − 47 =
- 20.83 − 38 =
- 21.93 − 37 =
- 22.63 − 44 =
- 23.61 − 35 =
- 24.69 − 55 =
- 25.75 − 16 =
- 26.68 − 57 =
- 27.62 − 21 =
- 28.77 − 36 =
- 29.94 − 18 =
- 30.52 − 12 =
- 31.68 − 36 =
- 32.54 − 43 =
- 33.56 − 36 =
- 34.67 − 29 =
- 35.65 − 16 =
- 36.96 − 17 =
- 37.73 − 17 =
- 38.58 − 15 =
- 39.55 − 42 =
- 40.83 − 63 =
Answer key
- 55
- 44
- 12
- 23
- 56
- 27
- 57
- 40
- 64
- 56
- 23
- 15
- 46
- 54
- 41
- 68
- 55
- 22
- 43
- 45
- 56
- 19
- 26
- 14
- 59
- 11
- 41
- 41
- 76
- 40
- 32
- 11
- 20
- 38
- 49
- 79
- 56
- 43
- 13
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths