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Equivalent Expressions
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Geometry
100

3x + 2 + 4x + 9


Simplify

What is 7x + 11?

100

Teacher Ray spends $45 on 9 gallons of gas on Monday. They spend $36 on 7 gallons of gas on Tuesday. Is the relationship between cost and gas proportional? If so, what is the constant of proportionality. 

What is NO !!! ?

100
This is 3/5 as a decimal.
What is 0.6?
100
There are 3 red, 4 blue, and 3 white marbles in a bag. You select one marble. This is the probability that you will select a blue marble.
What is 2/5 or 40% or 0.4?
100
A square has an area of 121 square feet.  What is the square's side length?
What is 11 feet?
200

3(x+2) + 4

Simplify


What is 3x + 10?

200
A person jumps rope 14 times in 10 seconds. How many times can the person jump per second?
What is 1.4 jumps per second?
200

Anallyah has $60. She goes to Disneyland and has $15 left. What percent of her money did she spend?

What is 75%?

200
A dental hygienist randomly chooses a toothbrush in a drawer containing 17 white, 12 green, and 5 blue toothbrushes. This is the probability that she chooses a green toothbrush.
What is 6/17 or 0.353 or 35.3%?
200
A rectangle has a length of 14 inches and a width of 23 inches. What is the perimeter?
What is 74 inches?
300

-2.3 + 4(5 - 0.5x) 

Simplify

What is 17.7 - 2x ?

300

While making a cake, Eugene needs 0.5 cups of milk for every 2 tablespoons of chocolate chips used.  If Eugene uses 2 cups of milk, how many chocolate chips does he need?

8 tablespoons of chocolate chips 

300

84% of US households has access to the Internet. If there are 600 families are in the town of Mathville, how many families would have access to the internet?

504 families
300
The grades for a student are 95, 80, 68, 72, and 85.  What is the median grade?
What is 80?
300
A circle has a diameter of 8 cm. What is the area?
What is 50.24 square cm?
400

In the expression 3(y - w) what does w have to equal if the expression is equivalent to 3y -21?

w = 7
400

Ms Tran spends $45 on 10 gallons of gas on Monday. She spends $29.25 on 6.5 gallons of gas on Tuesday? Is the relationship between cost and gas proportional? If so, what is the constant of proportionality? 

What is $4.50 per gallon?
400
At Lang Middle School, 46% of the students participate in sports. If there are 400 students at Lang Middle School, how many students do NOT participate in sports?
What is 216 students?
400

The height of puppies in inches are listed below:

5, 6, 8, 5, 4, 4, 7, 2, 4,  7, 5

What is the mode of the data? What is the mean?

4 and 5

400

A cereal company wants to know which box it should use to be able to sell the most cereal possible. One box is 3in x 5in x 6.2in, while the other cereal box is 2.5in x 4in x 8.5in . What is the difference in volumes?


What is 8 cubic inches?
500

-3(y - 5) + 5y - 8.5

Simplify

What is 2y + 6.5?

500
Mandy is enlarging a photograph that is 3 inches wide and 4.5 inches long. If she wants the width of the enlargement to be 10 inches, this will be the length.
What is 15 inches?
500
A pair of sneakers costs 22.50 and are on sale for 15% off.  What is the new price of the sneakers?
What is $19.12?
500

Looking at this set of numbers: Find the mean, median, mode, and range: 

9.5, 4, 5.3, 4, 7, 8.6, 19, 12, 9.5


Mean: 8.7

Median: 8.6

Mode: 9.5 and 4

Range: 15

500

The circumference of the park is 39.94 m. What is the radius of the park? What is the area?

What is 6.35 m? What is 126.99 m2?