Standard
- CCSS.Math.Content.4.NF
- Number and Operations--Fractions
- CCSS.Math.Content.4.NF.B
- Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
- CCSS.Math.Content.4.NF.B.3
- Understand a fraction a/b with a > 1 as a sum of fractions 1/b.
- CCSS.Math.Content.4.NF.B.3a
- Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.