7.6 Mid Unit Practice Quiz

This hanger is in balance. There are two labeled weights of 8 grams and 20 grams. The four circles each have the same weight. What is the weight of each circle, in grams?

• 3

• 7

• 5

• 20/12

Select all the situations that can be represented by the tape diagram.

• A family of 5 drove to a soccer game. They paid $6 for parking and all of their tickets were the same price.

• Kiran is baking 5 batches of muffins. Each batch needs the same amount of sugar in the muffins, and each batch needs six extra teaspoons of sugar for the topping.

Select ALL situations that can be represented by the tape diagram.

• Noah walked a family’s dog 5 times this past month and earned the same amount each time. To thank him, the family gave him an extra $6 from dog walking.

• 5 bags of coins each contain 6 nickels and the same number of pennies.

• A family of 5 drove to a soccer game. They paid $6 for parking and all of their tickets were the same price.

Over the weekend, Jada made three times as much money babysitting than Han did mowing lawns. Jada made an additional $36 tutoring, for a total of $96. If the equation 3x + 36 = 96 represents this situation, what does the variable x represent?

• The amount of money Jada made from babysitting.

• The amount of money Han made mowing lawns.

• The total money earned over the weekend.

• The additional money Jada earned from tutoring.

• 9

• 10

• 12

• 8

• Subtract 10 from both sides of the equation

• Add 10 to both sides

• Add 7 to both sides of the equation

Solve the equation 3(x + 8) = 21

• -1

• 1

• 7

• -7

Choose the correct step to solve the equation 3(x + 8) = 21

• Subtract 8 from both sides of the equation

• Subtract 3 from both sides

• Divide both sides by 3

Which equation is equivalent to 3(x + 8) = 21 ?

• x + 8 = 7

• 3x + 8 = 21

• x + 8 = 18

Which equation is equivalent to 3(x + 8) = 21 ?

• 3x + 8 = 21

• 3x + 24 = 21

• x + 8 = 18