STAAR 7th Grade Math Review May 2022

What is the total amount Fatima paid?

• $725.95

• $649.75

• $581.95

• $1,030.75

Nelly has 5 pink bows, 1 blue bow, and 4 purple bows in a box. She will randomly choose 1 bow from the box. What is the probability Nelly will choose a purple bow?

A stereo speaker in the shape of a trianglar pyramid has a height of 6 inches. The area of the base of the speaker is 11 square inches. What is the volume of the speaker in cubic inches?

Chris bought 10.4 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is closest to the number of liters of gasoline Chris bought?

• 11.44 L

• 2.74 L

• 39.52 L

• 14.20 L

Which equation best represents the relationship between x and y in the graph?

• $y=-\frac{3}{4}x-3$
  
  

• $y=-\frac{4}{3}x-3$
  
  

• $y=-\frac{3}{4}x-4$
  
  

• $y=-\frac{4}{3}x-4$
  
  

Answer explanation

The y-intercept is -3 and the slope is a rise of -3 because the graph decreases and a run of 4.

Stan created the net worth statement shown. Based on the information in the statement, what is Stan's net worth?

• $184,500

• $41,500

• -$71,500

• -$41,500

Answer explanation

Subtract the "Total Assets" and the "Total Liabilies"

113,000 - 71,500 = 41,500

Maggie surveyed 50 classmates about their favorite ice cream flavors. Each classmate chose one flavor. The results are shown in the circle graph. How many more of Maggie's classmates chose chocolate than chose vanilla?

• 8

• 6

• 34

• 16

Answer explanation

First find out the % for Vanilla by adding the other flavors and subtracting from 100.

100 - (14+18+42) = 26%

Now find out how much more Chocolate than Vanilla, 42-26=16%

Finally multiply 16% and the 50 students

.16 x 50 = 8

What is the volume of the triangular prism in cubic centimeters?

The dot plot show the numbers of miles Mike skated on several days in two different months. What statement is supported by the information in the dot plot?

• The least number of miles Mike skated on a day in July is greater than the least number of miles Mike skated on a day in August.

• The median number of miles Mike skated each day in July is greater than the median number of miles Mike skated each day in August.

• The mode of the number of miles Mike skated each day in July is less than the mode of the number of miles Mike skated each day in August.

• The range of the number of miles Mike skated each day in July is less than the range of the number of miles Mike skated each day in August

Answer explanation

The mode of July is 8 miles (4 times) and the mode of August is 12 miles (3 times)

Mode = most repeated value

Median = middle value

Range = Greatest - Least