STAAR Review: MAD, Equations/Inequalities, Real Numbers ON LEVEL

The list shows the average number of minutes that five 8th graders spend on their phone each day. 101, 260, 72, 400, 350. What is the Mean absolute deviation for these numbers?

• 100.8

• 104.8

• 110.4

• 120.08

The list shows the shoe size of five professional basketball players. 13, 11.5, 14, 12, 12.5. What is the Mean absolute Deviation for these shoe sizes?

• 0.72

• 1.0

• 1.1

• 1.2

What is the value of x in the equation represented by the tiles?

• 3

• 5

• -3

• -1

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

Point Q is shown on the number line. Which value is best represented by point Q?

The mass of a textbook is approximately 0.00165 metric ton. How is this number written in scientific notation?

The area of a piece of land is 4,951,000 square meters. How is this number of square meters written in scientific notation?

Which Venn diagram correctly describes the relationship between Set R and Set W? R = {real numbers} W = {whole numbers}

Hint: Click on the picture to make it larger.

• A

• B

• C

• D

A tank starts off containing 1,060 gallons of water, and 35 gallons of water leaks from the tank every hour. At the same time, an empty pool is filled with water at a rate of 480 gallons per hour. Which inequality represents all possible values for x, the number of hours that have passed when the tank contains less water than the pool?

• 1,060 + 35x > 480x

• 1,060 - 35x > 480x

• 1,060 - 35x < 480x

• 1,060 + 35x < 480x

Carnival M charges an entrance fee of $5.00 and $0.65 per ticket for the rides. Carnival P charges an entrance fee of $10.00 and $0.45 per ticket for rides. How many tickets must be purchased in order for the total cost at carnival M to be the same?

• 25

• 10

• 50

• 75