Fact Family Worksheets 1st Grade Teaching Resources | TpT Fact Family Worksheets (K, 1st, 2nd Grade) by Beth Gorden 23 $2.50 PDF Kids will have fun practicing their addition and subtraction with these fun fact family math worksheets. These are great for a range of children from Kindergarten, 1st grade and 2nd grade students. Kids learn best when they are having fun!!