Fact Families with 1A

Posted: April 10, 2013

Today in 1A we were busy working on fact families.  According to our students, fact families: have 3 numbershave 4 number sentenceshave 2 addition number sentenceshave 2 subtraction number sentenceshave the same parts and wholecan be mixed up and changed around (the numbers)you can count 12 numbers...