2. 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

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

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

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

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

7. 2 Write 1 as a decimal. 10 A. 2.1 B. 2.0 C. 1.2 D. 0.2 __
Example 2 CYP

8. 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

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

10. 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

11. 3 Write – as a decimal. 8 A. –0.5 B. –0.375 C. –2.6 D. 0.375 __
Example 4 CYP

12. 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

13. Write Fractions as Repeating Decimals
Answer:
Example 5

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

15. 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

16. 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