1. The temperature at midnight was 0 degrees Celsius. The temperature is falling at a constant rate of 5 degrees per hour.
a. Use the number line to show the temperature after 6 hours.
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2.
1b. Write and evaluate an addition expression to represent the temperature after 6 hours.
__ +__ +__ +__ +__ +__ = ___
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1c. Write a multiplication expression to represent the temperature change between midnight and 6am. Evaluate your expression to determine the temperature at 6am.
__ • __ = ___
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4.
2. Brennaugh is trying to find the value of the unknown in the equation
a. Help Brennaugh by first rewriting the division equation as a multiplication equation.
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2b. Use your multiplication equation in part (a) to solve Brennaugh's original division problem.
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6.
3. Determine if each equation is true or false. (1 pt)
Explain or show your reasoning below. (1 pt)
a.
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7.
3. Determine if each equation is true or false. (1 pt)
Explain or show your reasoning below. (1 pt)
b.
2
8.
3. Determine if each equation is true or false. (1 pt)
Explain or show your reasoning below. (1 pt)
c.
2
9.
4. Determine if each equation is true or false. (1 pt)
Explain or show your reasoning below. (1 pt)
a.
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10.
4. Determine if each equation is true or false. (1 pt)
Explain or show your reasoning below. (1 pt)
b.
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11.
4. Determine if each equation is true or false. (1 pt)
Explain or show your reasoning below. (1 pt)
c.
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12.
Find each product or quotient. Show your work and/or explain your thinking.
5.
2
13.
Find each product or quotient. Show your work and/or explain your thinking.
6.
2
14.
Find each product or quotient. Show your work and/or explain your thinking.
7.
2
15.
Find each product or quotient. Show your work and/or explain your thinking.
8.
2
16.
Every month, Ms. Hughes pays her car loan through automatic payments (withdrawals) from her savings account. She pays the same amount on her car each month. At the end of the year, her savings account balance changed by -$2,490 from payments made on her car loan.
9. What is the change in Ms. Hughes's savings account balance each month due to her car payment?
Show your work and/or explain your reasoning.
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17.
10. What is the total change in Ms. Hughes's savings account balance after making six monthly payments on her car loan?
Show your work and/or explain your reasoning.
2
18.
11. As a cold front moves in, the temperature drops a total of 24 degrees over the course of 6 hours. If the temperature fell at a constant rate, what was the temperature change each hour?
Write and solve an equation to answer the question. Use t for the unknown in your equation.
