### Standard Alignments:

CCSS Math:
4.NF.3.A

4.NF.3.A Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

4.NF.3.D4.NF.3.D Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.