Standards with the same topic and subject but for other grades
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.
Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.
Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model.
Understand a multiple of 𝑎/𝑏 as a multiple of 1/𝑏, and use this understanding to multiply a fraction by a whole number.
Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.
Understand a fraction 𝑎/𝑏 as a multiple of 1/𝑏.