Then/Now You have already studied natural numbers, whole numbers, and integers. (Lesson 2–1) Write rational numbers as fractions. Identify and classify.

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Presentation transcript:

Then/Now You have already studied natural numbers, whole numbers, and integers. (Lesson 2–1) Write rational numbers as fractions. Identify and classify rational numbers.

Vocabulary rational numbers

Example 1 Write Mixed Numbers and Integers as Fractions

Example 1 Write Mixed Numbers and Integers as Fractions

A.A B.B C.C D.D Example 1 A.

A.A B.B C.C D.D Example 1 B. Write –6 as a fraction.

Example 2 Write Terminating Decimals as Fractions A. Write 0.26 as a fraction in simplest form.

Example 2 Write Terminating Decimals as Fractions B. SHIPPING The shipping weight of a package is pounds. Write this decimal as a mixed number in simplest form.

A.A B.B C.C D.D Example 2 A. Write 0.84 as a fraction in simplest form.

A.A B.B C.C D.D Example 2 B. RUNNING Mary runs the hundred meter dash in seconds. Write this decimal as a mixed number in simplest form.

Example 3 Write Repeating Decimals as Fractions Write 0.39 as a fraction in simplest form.

A.A B.B C.C D.D Example 3

Concept

Example 4 Classify Numbers A.

Example 4 Classify Numbers B. Identify all sets to which the number … belongs.

Example 4 Classify Numbers C. Identify all sets to which the number 15 belongs.

A.A B.B C.C D.D Example 4 A.

A.A B.B C.C D.D Example 4 B. Identify all sets to which belongs.

A.A B.B C.C D.D Example 4 C. Identify all sets to which –12 belongs.