Number and Operations – Fractions
Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
Understand a fraction a/b with a > 1 as a sum of fractions 1/b. [4-NF3]
Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. [4-NF3a]
Apply and extend previous understandings of multiplication to multiply a fraction by a whole number. [4-NF4]
Understand a fraction a/b as a multiple of 1/b. [4-NF4a]