8TH Math 2021 STAAR Review - DAY 1

Which list shows these numbers in order from least to greatest?

• A

• B

• C

• D

Tags

CCSS.8.NS.A.2

At a restaurant 600 customers were served during a 10-hour period of time. Which graph has a slope that best represents the number of customers that were served per hour at this restaurant?

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Tags

CCSS.8.EE.B.5

The dimensions of a rectangular prism are shown in the diagram.

8 in. 10 in. 16 in.

What is the total surface area in square inches of the prism?

Be sure to use the correct place value AND units.

(a)  

Tags

CCSS.7.G.B.6

The scatterplot shows the height in centimeters and weight in kilograms of several students.

Based on the scatterplot, which is the best prediction of the height in centimeters of a student with a weight of 64 kilograms?

• 152 cm

• 160 cm

• 162 cm

• 156 cm

A linear function is represented on the coordinate grid.

What is the y-intercept of the graph of this function?

• 5

• 6

• -7/8

• -8/7

A student solved the equation x^2 = 132 to find the length of the diagonal of a square in centimeters.

Which measurement is closest to x, the length of the diagonal of this square, in centimeters?

• 66 cm

• 44 cm

• 33 cm

• 11cm

Tags

CCSS.8.EE.A.2

A bakery delivers cookies to offices.

*The bakery charges a $5 delivery fee.

*The bakery charges a total of $20 for delivering 12 cookies.

*The bakery charges a total of $27.50 for delivering 18 cookies.

Which equation represents the total charge in dollars, y, for a delivery of x cookies?

• y = 1.25 x + 5

• y = 5x + 1.25

• y = 1.25x + 6

• y = 5x + 7.50

The radius of the planet Neptune is approximately 15,300 miles. How is this number of miles written in scientific notation?

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Tags

CCSS.8.EE.A.3

What value of x makes this equation true?

2x + 9 - 4x = x -12

• 7

• -21

• -1

• 3

A deposit of $1,200 is made into each of two bank accounts. No additional deposits or withdrawals will be made for 4 years.

**Account I earns 1.5% annual simple interest.

**Account II earns 1.5% interest compounded annually.

Which amount is closest to the difference between the balance of the two accounts at the end of 4 years?

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