7th Grade Review

Statistics

100

A _____________________ is a part of an entire group.

Subset

200

When collecting data, a subset is called?

Sample

300

Find Quartile 1 & 3 based on the data given. 

9, 7, 11, 16, 11, 19, 9, 10, 15, 14, 8, 12, 15

Q1: 9

Q3: 15

400

Find the mean & median of this set of data.

34, 50, 49, 47, 48, 45, 48 

Median: 48

Mean: 45.9

500

Using the data calculate the mean absolute deviation. 

11, 7, 9, 3, 3, 8, 10, 5 

20/8= 2.5

Units

100

You and your four friends are going to go and split the bill evenly. What is the unit rate (price per sandwich) each friend would pay?

2 dollars per sandwich 

200

K= 2

Equation: y=2x 

300

Determine the constant of proportionality in the table. Write the equation that shows the proportional relationship.

y=4x

400

You planted 1/3 of the garden in 1/6 of an hour. How many hours will it take for you to plant one whole garden?

1/2 

1/6x3=3/6=1/2

500

On a cold winter night it snowed all night long. The next morning, you shoveled 1/5 of the driveway in 2/5 of an hour. How many hours will it take to shovel one whole driveway?

2/5 divide by 1/5= 

2/5x5/1= 10/2=5

Triangles

100

Jasmine makes a triangle using straws. The measures of two of the angles of her triangle are 58° and 64°. 

B

200

Find the missing degree.

65

300

True or False

Triangles equal 360 degrees? 

False

400

Find A

A=12

500

49 degrees

Equations/Fractions

100

x-6=13

19

200

-3y+2-y+2(-y+2)+4

-6y+10

300

Simply

2x²-3+2(3x-1)+x²

-6+6x+3x² 

400

Blake’s Bowling Alley offers a special. Each game costs $2.50 and the shoe rental $2.00. You spend $14.50 total. How many games did you bowl?

2.50x+2=14.50

x= 5 games

500

4/5 divide by 3= 

4/15

PEMDAS/Inequality

100

Show the signs that go with each inequality. 

Less Than

Greater Than

Less than or equal to 

Greater than or equal to 

<

>

200

7/10 __ 3/5

>

300

1 1/2__ 1.456

>

400

-49÷(-7)+(-14)⋅2-(-8)

-13

500

-¼⋅(-⅓)+⅙-¹/₁₂    

1/6