Fact Families Worksheet
This fact families worksheet has 1st graders write twelve column addition and subtraction facts from three number families within 20. An answer key is included for quick, no-prep checking.
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About this resource
Description
A fact family is three numbers that belong together and the four addition and subtraction facts they make. When a first grader sees that 6, 8 and 14 are one family, 14 − 8 stops being a brand-new problem and becomes something she already knows. This fact families worksheet builds that habit the way first graders practice most of their math: in column form, with the numbers stacked over an equation bar and the answer written underneath.
Each of the three boxes on the page shows one family in three circles on the left. Beside them are four empty column problems, two with a plus sign and two with a minus sign. The child writes all three numbers in every problem, so the job is not just finding a sum — it is deciding which number goes on top, which goes second, and which is the answer. The families stay within 20, and two of them cross ten, which makes this solid 1st grade fact families practice. Use it for morning work, in a math center, as homework, or as a quick check. Page two is a complete answer key.
What’s Included
- 1 print-ready PDF worksheet
- 3 fact families with 12 column facts to write
- Answer key
Here are three reasons this page helps. First, writing both addition facts side by side (6 + 8 and 8 + 6) shows a child that order does not change the sum. Second, the two subtraction facts sit in the same box, so a child learns to use a sum she knows to solve a subtraction problem, which is the heart of fluency within 20. Third, the column form gives early practice lining numbers up over an equation bar, a skill that pays off when two-digit addition arrives.
Away from the page, build the families with real objects. Give your child 14 counters, split them into 6 and 8, and say all four facts out loud before writing. Hide one of the three numbers with a sticky note and ask what is missing. Roll two dice, add them, and name the family the three numbers make. A fact families worksheet like this one also gives you a quick, honest read on which children still count on their fingers.
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