STAAR Review Part 1

Which statement below is true? (7.2A)

• All integers are whole numbers

• All integers are negative

• All rational numbers are integers

• All integers are rational numbers

Daria used a tree diagram to determine the possible pairings of two snack items, either apple slices or bananas with either carrots, orange slices, or grapes. Her diagram is shown in the picture. What are all the possible pairings of snack items? (7.6A)

• AC, AO, AG, BC, BO, BG

• AB, BA, COG, OCG, OGC

• AC, AO, AG, AB

• BC, BO, BG, BA

A bag of 30 candies has 12 blue, 5 green, 6 red, 5 yellow, and 2 brown candies. A fun-size bag of the same candies has 10 candies. How many red candies would likely be in the fun size bag? (7.6C)

In the last election, Dr. Huang won with 60% of the vote. In a survey of 20 random people, how many would likely have voted for Dr. Huang?

• 6

• 8

• 12

• 16

Ben is playing a dice game with two six-sided number cubes. If he rolls two odd numbers, he automatically wins. In 16 rolls, how many times is he likely to roll two odd numbers once? (7.6D)

• 1

• 2

• 4

• 8

What is the probability of a family with five children having all girls? (7.6I)

• 1/40

• 1/32

• 1/8

• 1/5

Martin's t-shirt drawer contains 8 black shirts, 8 white shirts, and 4 blue shirts. What is the probability that he will NOT randomly select a white shirt from the drawer? (7.6E)

• 20%

• 40%

• 60%

• 80%

80% of teenagers own a cell phone. In a classroom of 30 teenagers, how many likely own a cell phone? (7.6H)

• 12

• 16

• 20

• 24

What is the probability of flipping heads on a coin and rolling a 1 or a 2 on a 6-sided number cube? (7.6I)

• 1 in 2

• 1 in 3

• 1 in 5

• 1 in 6

Mark spent half of his gift card on a new video game. He then bought a birthday card for his aunt for $2.70 and a box of her favorite chocolates for $5.15. He had $12.15 left on his card after his purchases. How much was on his gift card before his purchases? (7.3B)