Grade 4 · Math · Lesson 17

Identify and Compare Fractions

A fraction describes part of a whole. The numerator (top number) tells how many parts are shaded or selected. The denominator (bottom number) tells how many equal parts the whole is divided into.

What this lesson teaches

1Identify the numerator and denominator of a fraction
2Represent fractions as parts of a whole using diagrams
3Compare fractions with the same denominator using < and >
4Compare fractions with the same numerator by reasoning about part size

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