Main Idea and New Vocabulary
Example 1: Use Mental Math
Example 2: Use Mental Math
Example 3: Use Division
Example 4: Use Division
Example 5: Write Fractions as Repeating Decimals
Example 6: Real-World Example
• Write fractions as terminating or repeating decimals and write decimals as fractions.
• terminating decimal
• repeating decimal
• bar notation
Write Fractions as Repeating Decimals
Write as a decimal.
Divide 1 by 11.– 99
10– 0100– 99
10
0.090
– 010
90
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.
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.
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