STAAR Review #2

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are replaced.

P(white, then purple)

• 20/100

• 16/100

• 1/5

• 9/20

• 1/48
• 1/6
• 1/8
• 1/24

Mrs. Moreno has a box containing 6 lipsticks, 4 eye shadows, 6 eye liners, and 5 mascaras. If she randomly chooses one item from the box, what is the probability that she will grab a lipstick?

• 3/7
• 15/21
• 5/7
• 6/21

Mrs. Elder has a box containing 6 cracker, 3 peppermints, 6 bubble gums, and 3 licorice sticks. If she randomly chooses one piece from the box, what is the probability that she will grab a cracker or a peppermint?

• peppermint
• 1/6
• 1/2
• 1/3

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9
• 2/9
• 5/21
• 10/21

A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?

• 1/3
• 1/7
• 1/9
• 1/12

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

Mya needs 1⅔ pounds of clay to make one pot.  What is the greatest number of identical pots she can make from 15 pounds of clay? 

• 6
• 8
• 9
• 25

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Mary's elevation is 6.5 meters at the beginning of a hiking trail. After walking a few minutes, she has descended 12.2 meters. Which of the following represents her new elevation?

• -18.7

• 5.7

• -6.3

• -5.7

A scuba diver, who was 25⅔ feet beneath the surface of the water, descended 5½ feet.  From this depth, how many feet must the diver rise to return to the surface?

• 31⅙ ft. 
• 30⅗ ft. 
• 20⅙ ft. 
• 20 ft. 

Tags

CCSS.7.NS.A.1C