Curated OER
Fact Families
These fact families need to be completed. Scholars use addition and subtraction to complete four number sentences for each set of three numbers. The sentences are all part of the number set's fact family, and demonstrate the commutative...
Curated OER
Who's In The Fact Family?
Students study related addition and subtraction facts. For this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.