Standard Alignments:

TEKS Math: 4.3.E

(E) Represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations

CCSS Math: 4.NF.3

4.NF.3 Understand a fraction a/b with a > 1 as a sum of fractions 1/b.

4.NF.3.A

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