7th Grade Math Review

Numerical Expressions and Operations

100

2²⁺4²

20

200

12/(3(4/2))+12

14

300

11.35*2.78

31.533

400

(-8)^-3

-1/512

500

1% of 255000%

25.5

Algebraic Thinking

100

4x=28

What is x?

7

200

3(a+6)=27

What is a?

3

300

9+6x=4x-2

What is x?

-5.5

400

2(x²+2x+3-2x+9)

2x²+24

500

Factor the following expression: 24x+18y

6(4x+3y)

Geometric Reasoning

100

What is the name of a traingle with 2 equal sides?

isosceles triangles

200

What is the last angle of this triangle: 34, 65, ?

81

300

What is the volume of this figure: Base: 24 inches

Height: 18.5 inches

444in³

400

What is the area of a circle with a diameter of 7.2cm?

40.6944cm²

500

What is the surface area of a box with a length of 9 inches, a width of 14 inches, and a height that is double the length of the box?

1080in²

Data Analysis and Probability

100

What is it called when all of the data on a graph is on one side?

a skewed data graph

200

What is the probability of rolling a 4 on a 6 sided die.

1/6

300

What is the mean, median, and mode for this data set: 3,8,2,5,2,7,8,12,9,8

Mean: 6.4

Median: 7.5

Mode: 8

400

Name 7 things that can be found in a box plot. (Think of ways to measure data including what is presented in the box plot)

Minimum, First Quartile, Median, Third Quartile, Maximum, Interquartile Range (IQR), and Range

500

Make a Box Plot using this data set: 3, 7, 1, 10, 4, 6, 3, 8, 2, 7

A numberline from 1-10 with a box plot that has the points: 1, 3, 5, 7, and 10 plotted correctly

Word Problems (All Topics)

100

Emma buys 3 packs of pencils. Each pack contains 7 pencils. She also finds 4 more pencils in her desk. How many pencils does Emma have in total?

25

200

A gym charges a 10 dollar monthly membership fee plus 3 dollars for every workout session attended. If jake spends 40 dollars in a month at the gym, how many workout sessions did he attend?

10 workout sessions

300

A rectangle has a length of 8 cm and a width of 3 cm. If another rectangle has twice the area of the first one but the same width, what is its length.

16 cm

400

A spinner is divided into 10 equal sections numbered 1-10. What is the probability of spinning a number greater than 7 on one spin? If you spin twice, what is the probability of getting a number greater than 7 both times?

Probability of one spin: 3/10

Probability of two spins: 9/100

500

The perimeter of a triangle is 24 cm. One side is twice the length of the shortest side, and the third side is 4 cm longer than the shortest side. What are the lengths of the three sides?

Shorter side: 5 cm

Second Side: 10 cm

Third side: 9 cm