Splash Screen. Lesson Menu Five-Minute Check (over Lesson 5–3) Main Idea and Vocabulary Key Concept: Add or Subtract Unlike Fractions Example 1:Add Unlike.

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Splash Screen

Lesson Menu Five-Minute Check (over Lesson 5–3) Main Idea and Vocabulary Key Concept: Add or Subtract Unlike Fractions Example 1:Add Unlike Fractions Example 2:Subtract Unlike Fractions Example 3:Use Fractions to Solve a Problem Example 4:Evaluate an Expression with Fractions

Main Idea/Vocabulary unlike fractions Add and subtract fractions with unlike denominators.

KC

Example 1 Add Unlike Fractions METHOD 1Use a model. Find

Example 1 Add Unlike Fractions METHOD 2Use the LCD. Answer: The least common denominator of Write the problem. Rename using the LCD, 20. Add the fractions.

1.A 2.B 3.C 4.D Example 1 Find A. B. C. D.

Example 2 Subtract Unlike Fractions Find METHOD 1Use a model.

Example 2 Subtract Unlike Fractions Answer: METHOD 2Use the LCD. The least common denominator of Write the problem. Subtract the fractions. Rename using the LCD, 30.

1.A 2.B 3.C 4.D Example 2 Find A. B. C. D.

Example 3 PET ADOPTION Use the table to find the fraction of adopted dogs in one town that are either golden retrievers or mixed breed. Use Fractions to Solve a Problem

Example 3 Use Fractions to Solve a Problem Find. The least common denominator of Write the problem. Add the fractions. Rename using the LCD, 25.

Example 3 Use Fractions to Solve a Problem Answer: of the adopted dogs are either golden retrievers or mixed breed.

1.A 2.B 3.C 4.D Example 3 ICE CREAM Use the table to find the fraction of the orders that are for either vanilla or chocolate ice cream. A.B. C.D.

Example 4 Answer: Evaluate an Expression with Fractions ALGEBRA Evaluate and Replace with and with Rename using the LCD, 6. Simplify. Subtract and write in simplest form.

1.A 2.B 3.C 4.D Example 4 ALGEBRA A. B. C. D.

End of the Lesson

Resources Five-Minute Check (over Lesson 5–3) Image Bank Math Tools Adding and Subtracting Fractions With Like Denominators Multiplying Fractions Common Denominators

1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 5-3) A. B. C.1 D.3 Find. Write in simplest form.

1.A 2.B 3.C 4.D Five Minute Check 2 (over Lesson 5-3) A. B. C. D. Find. Write in simplest form.

1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 5-3) A.4 B.3 C. D. Find. Write in simplest form.

1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 5-3) A. B. C. D. Find. Write in simplest form.

1.A 2.B 3.C 4.D Five Minute Check 5 (over Lesson 5-3) How much less than feet is feet? A. ft B. ft C. ft D. ft

1.A 2.B 3.C 4.D Five Minute Check 6 (over Lesson 5-3) Taryn’s grandmother made two apple pies for a family dinner. The pictures show how much of the pies were left. How many pies did they eat? A.B. C.D.

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