Tennessee Curriculum Center

Common Core Focus Standard CC 4.NF.1
Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions.

(Grade 4 expectations in this domain are limited to fractions with denominators 2, 3, 4, 5, 6, 8, 10, 12, and 100.)

Aligning Assessment & Planning Instruction

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PARCC Content Model Frameworks

Opportunities for In-Depth Focus

Extending fraction equivalence to the general case is necessary to extend arithmetic from whole numbers to fractions and decimals.