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
- 1.74 − 15 =
- 2.57 − 45 =
- 3.61 − 31 =
- 4.52 − 23 =
- 5.66 − 23 =
- 6.91 − 63 =
- 7.95 − 69 =
- 8.80 − 59 =
- 9.71 − 56 =
- 10.91 − 23 =
- 11.89 − 15 =
- 12.76 − 49 =
- 13.67 − 25 =
- 14.67 − 16 =
- 15.88 − 29 =
- 16.88 − 62 =
- 17.84 − 55 =
- 18.88 − 51 =
- 19.96 − 75 =
- 20.84 − 61 =
- 21.76 − 29 =
- 22.57 − 35 =
- 23.95 − 27 =
- 24.74 − 51 =
- 25.66 − 49 =
- 26.56 − 23 =
- 27.61 − 29 =
- 28.88 − 46 =
- 29.98 − 36 =
- 30.82 − 51 =
- 31.91 − 41 =
- 32.86 − 64 =
- 33.82 − 61 =
- 34.92 − 15 =
- 35.54 − 13 =
- 36.70 − 16 =
- 37.65 − 33 =
- 38.53 − 24 =
- 39.75 − 19 =
- 40.90 − 22 =
Answer key
- 59
- 12
- 30
- 29
- 43
- 28
- 26
- 21
- 15
- 68
- 74
- 27
- 42
- 51
- 59
- 26
- 29
- 37
- 21
- 23
- 47
- 22
- 68
- 23
- 17
- 33
- 32
- 42
- 62
- 31
- 50
- 22
- 21
- 77
- 41
- 54
- 32
- 29
- 56
- 68
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths