Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
Standard:
M04.A-F.2.1.1
Description:
Add and subtract fractions with a common denominator (denominators limited to 2, 3, 4, 5, 6, 8, 10, 12, and 100; answers do not need to be simplified; and no improper fractions as the final answer).
Standard:
Math.4.NF.3a or 4.NF.B.3.A
Description:
Understand addition and subtraction of fractions as joining and
separating parts referring to the same whole.
Standard:
Math.4.NF.3c or 4.NF.B.3.C
Description:
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.
Standard:
M04.A-F.2.1.3
Description:
Add and subtract mixed numbers with a common denominator (denominators limited to 2, 3, 4, 5, 6, 8, 10, 12, and 100; no regrouping with subtraction; fractions do not need to be simplified; and no improper fractions as the final answers).
Standard:
MA.4.FR.2.2
Description:
Add and subtract fractions with like denominators, including mixed numbers and fractions greater than one, with procedural reliability.
Standard:
MA.4.FR.2.3
Description:
Explore the addition of a fraction with denominator of 10 to a fraction with denominator of 100using equivalent fractions.
Standard:
MA.4.AR.1.2
Description:
Solve real-world problems involving addition and subtraction of fractions with like denominators, including mixed numbers and fractions greater than one.
4th Grade Math - Add & Subtract Fractions & Mixed Numbers Lesson