Multiply a whole number by a non-unit fraction.
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If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 2 (benefits from worked example). Find more guidance on adapting our math curriculum for remote learning here.
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Extending Multiplication from Whole Numbers to Fractions, accessed on July 18, 2018, 12:48 p.m., is licensed by Illustrative Mathematics under either the CC BY 4.0 or CC BY-NC-SA 4.0. For further information, contact Illustrative Mathematics.
a. $${4\times {3\over5}}$$
b. $${2\times{6\over7}}$$
c. $${7\times{5\over8}}$$
Show or explain how you know $${3\times {5\over6}=15\times{1\over6}}$$.
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Which of the following is equivalent to $${7\times {3\over8}}$$? There are three correct answers.
A. $${{7+3}\over 8}$$
B. $${{7 \times 3} \over 8}$$
C. $${21\times{1\over8}}$$
D. $${8\times {3\over7}}$$
E. $${3\times {7\over8}}$$
F. $${10\times {1\over8}}$$
Explain how to find $${3 \times {4\over5}}$$ using a number line. Find the product.
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