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
- 1.86 − 66 =
- 2.53 − 39 =
- 3.86 − 73 =
- 4.74 − 19 =
- 5.55 − 32 =
- 6.64 − 53 =
- 7.73 − 52 =
- 8.69 − 54 =
- 9.87 − 41 =
- 10.62 − 25 =
- 11.85 − 74 =
- 12.74 − 23 =
- 13.59 − 12 =
- 14.68 − 12 =
- 15.70 − 22 =
- 16.54 − 37 =
- 17.92 − 47 =
- 18.63 − 45 =
- 19.60 − 25 =
- 20.96 − 31 =
- 21.66 − 18 =
- 22.76 − 31 =
- 23.98 − 21 =
- 24.64 − 45 =
- 25.60 − 21 =
- 26.94 − 45 =
- 27.77 − 14 =
- 28.53 − 32 =
- 29.62 − 42 =
- 30.67 − 22 =
- 31.74 − 29 =
- 32.72 − 18 =
- 33.69 − 32 =
- 34.98 − 65 =
- 35.95 − 66 =
- 36.69 − 43 =
- 37.66 − 19 =
- 38.66 − 29 =
- 39.88 − 14 =
- 40.65 − 53 =
Answer key
- 20
- 14
- 13
- 55
- 23
- 11
- 21
- 15
- 46
- 37
- 11
- 51
- 47
- 56
- 48
- 17
- 45
- 18
- 35
- 65
- 48
- 45
- 77
- 19
- 39
- 49
- 63
- 21
- 20
- 45
- 45
- 54
- 37
- 33
- 29
- 26
- 47
- 37
- 74
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths