Expressions and Equations

This hanger is in balance. There are two labeled

weights of 4 grams and 12 grams. The three

circles each have the same weight.

What is the weight of each circle, in grams?

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• 
• 
• 

Tags

CCSS.7.RP.A.2B

Select all the situations that can be represented

by the tape diagram.

• Clare buys 4 bouquets, each with the same

  number of flowers. The florist puts an extra

  flower in each bouquet before she leaves. She

  leaves with a total of 99 flowers.

• Andre babysat 5 times this past month and

  earned the same amount each time. To thank

  him, the family gave him an extra $4 at the end

  of the month. Andre earned $99 from

  babysitting.

• A family of 5 drove to a concert. They paid $4 for parking, and all of their tickets were the same price. They paid $99 in total.

• 5 bags of marbles each contain 4 large marbles

  and the same number of small marbles.

  Altogether, the bags contain 99 marbles.

• Han is baking five batches of muffins. Each

  batch needs the same amount of sugar in the

  muffins, and each batch needs four extra

  teaspoons of sugar for the topping. Han uses 99

  total teaspoons of sugar.

Tags

CCSS.HSA.CED.A.3

At practice, Diego does twice as many push-ups

as Noah, and also 40 jumping jacks. He does 62 exercises in total.

The equation 2x + 40 = 62 describes this situation.

What does the variable x represent?

• The number of jumping jacks Diego does

• The number of push-ups Diego does

• The number of jumping jacks Noah does

• The number of push-ups Noah does

Tags

CCSS.7.EE.B.4A

Solve the equation:

25 − 3x = 40

Tags

CCSS.7.EE.B.4A

Solve the equation:

1/3 (x − 10) = -4

Tags

CCSS.7.EE.B.4A

Mr. Nixon tried to solve the equation 1/4 (x + 12) = 2

What was his mistake?

Tags

CCSS.HSA.REI.A.1

A food pantry is making packages. Each package weighs 64 pounds. Here is a situation. Write an equation to represent the situation. If you get stuck, consider drawing a diagram.

Each package contains 4 boxes. Each box contains a 7-pound bag of beans and a bag of rice. The bags of rice are all identical.

Tags

CCSS.HSA.CED.A.3

A food pantry is making packages. Each package weighs 64 pounds. Here is a situation.

Write an equation to represent the situation. If you get stuck, consider drawing a diagram.

Each package contains 4 identical bags of rice

and a 7-pound bag of beans.

Tags

CCSS.HSA.CED.A.3

For a school fundraiser, Elena will make T-shirts.

She will order T-shirts and print graphics on

them. Elena must spend $349 on a printing

machine and $4.80 per shirt for the blank shirts,

ink, and other supplies.

Complete the table (using the "pen" or textboxes)

giving the total cost Elena will spend to make

each specific number of T-shirts.

For a school fundraiser, Elena will make T-shirts. She will order T-shirts and print graphics on them. Elena must spend $349 on a printing machine and $4.80 per shirt for the blank shirts, ink, and other supplies.

Write an expression for the cost of making n Tshirts

Tags

CCSS.HSA-SSE.A.1A