This Thanksgiving fact families worksheet gives 1st grade students practice with addition and subtraction within 20. An answer key is included, so a holiday math review takes almost no prep.

This christmas math fact families worksheet gives 1st Grade students three number triangles and twelve facts to write. An answer key is included, so holiday fact practice needs no prep.

This St. Patrick's Day Fact Families Worksheet gives 1st grade students three triangles with a missing number and room to write all four related facts. An answer key is included, so it is ready to print and go.