7.U5A.L14-Unit Test Review-Extended Response

• 7th Grade

Unit 5 Lesson 14

Equations and Inequalities Unit Test Review 

What is the variable for the following problem?

1. the amount spent on video games
2. the amount she earned mowing the lawn
3. the amount she had at the end of the week
4. her weekly allowance

What is one of the 2 operations needed to create an equation for this problem?

1. multiplying by 1/3
2. multiplying by 3
3. subtracting 15
4. subtraction 10

What is the other operation needed to create an equation for this problem?

1. adding 10
2. adding 15
3. subtracting 15
4. subtraction 10

Use the previous information to pick the equation that represents this word problem

1. 3w +10 = 15
2. 1/3w +15 = 10
3. 1/3 w +10 =15
4. 3w -10 = 15

Identify the variable for the following word problem

1. the rows of chairs
2. the number of people at graduation
3. the number of permanent seats
4. the number of chairs in each row

Identify one of the 2 operations needed to create inequality for the word problem

1. total of 400
2. multiply by 9
3. subtract 20
4. divide by 9

Identify the other operation needed to create inequality for the word problem

1. 9r + 20 <_400
2. 9r + 20 < 400
3. 9r+ 20 >_ 400
4. 9r + 20 > 400

Use the previous information to create inequality for the following word problem

1. add 20
2. subtract 20
3. add 400
4. subtract 400