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Problem Set Lesson 12 Answers

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MODULE 4 Expressions and Equaons
Topic C: Replacing Leer and Numbers
Lesson 13: Wring Division Expressions

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ú How can we write or show 8 divided by 2?
ú When working with algebraic expressions, are any of these expressions or models more efficient than
others?

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Classwork
Example 1
Write an expression showing 1 ÷ 2 without the use of the division symbol.
From the model what can we determine?
÷

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Example 2
Write an expression showing a ÷ 2 without the use of the division symbol. Let's
start by making a model.
From the model what can we determine?
When we write division expressions using the division symbol we represent
How would this look when we write division expressions using a fracon?

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Example 3
a. Write an expression showing a ÷ b without the use of the division symbol.
b. Write an expression for g divided by the quanty h plus 3.
Write it with the division symbol and using the fracon bar.
c. Write an expression for the quoent of the quanty m reduced by 3 and 5 .
Write it with the division symbol and using the fracon bar.

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Exercises
Write each expression two ways: using the division symbol and as a fracon.
1. 12 divided 4
2. 3 divided by 5
3. a divided by 4
4. The quoent of 6 and m

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5. Seven divided by the quanty x plus y
6. y divided by the quanty x minus 11
7. The sum of the quanty h and 3 divided by 4
8. The quoent of the quanty k minus 10 and m.

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Closing
Please take out your exit ticket for Lesson 13, close your
binder, and complete the exit ticket. This will be collected.
§ Explain to your neighbor how you would rewrite any division problem using a fracon.
ú The dividend would become the numerator and the divisor would become the
denominator.

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