Main Idea and New Vocabulary Example 1: Use Mental Math Example 3: Use Division Example 4: Use Division Example 5: Write Fractions as Repeating Decimals Example 6: Real-World Example Lesson Menu

Write fractions as terminating or repeating decimals and write decimals as fractions. terminating decimal repeating decimal bar notation Main Idea/Vocabulary

Use Mental Math Write as a decimal. Think × 10 Answer: Example 1

1 Write as a decimal. 5 A. 0.20 B. 0.25 C. 0.40 D. 1.20 __ Example 1 CYP

Use Mental Math 3 Write 7 as a decimal. 5 = 7 + 0.60 You know that __ 3 5 = 7 + 0.60 You know that = 7.60 Add mentally. Answer: Example 2

2 Write 1 as a decimal. 10 A. 2.1 B. 2.0 C. 1.2 D. 0.2 __ Example 2 CYP

Use Division Write as a decimal. 1 8 . 1 2 5 Divide 1 by 8. – 8 20 __ 1 8 . 1 2 5 Divide 1 by 8. – 8 20 – 16 40 – 40 Answer: Example 3

Write as a decimal. __ 3 5 A. 6 B. 1.6 C. 0.6 D. 0.06 Example 3 CYP

Use Division 1 Write – as a decimal. 25 –0.04 Divide 1 by –25. – 1 00 __ 1 25 –0.04 Divide 1 by –25. – 1 00 Answer: Example 4

3 Write – as a decimal. 8 A. –0.5 B. –0.375 C. –2.6 D. 0.375 __ Example 4 CYP

Write Fractions as Repeating Decimals Write as a decimal. . 9 9 Divide 1 by 11. – 99 10 – 0 100 – 99 10 – 0 10 Example 5

Write Fractions as Repeating Decimals Answer: Example 5

Write as a decimal. A. B. 0.3 C. 1.3 D. Example 5 CYP

The final digit, 2, is in the hundredths place. CEREAL Jorge read that 0.72 of his favorite cereal was whole-grain wheat. Find what fraction of his cereal is whole-grain wheat. Write in simplest form. The final digit, 2, is in the hundredths place. Simplify. Answer: So, of the cereal is whole-grain wheat. Example 6

LOTION Julianne’s lotion bottle indicated that 0 LOTION Julianne’s lotion bottle indicated that 0.26 of the lotion is aloe vera. Find what fraction of the lotion is aloe vera. Write in simplest form. A. B. C. D. Example 6 CYP