CBA #2

Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the refrigerator. Each carton contained 18 eggs. Which of these is the best estimate of the number of eggs Mr. Márquez now has in his refrigerator?

• 600

• 400

• 700

• 900

Tim had 0.9 gallon of gasoline in the gas tank of his car. He used 0.2 of this amount to drive to work. The large square represents 1 gallon of gasoline. How many gallons of gasoline did Tim use to drive to work?

• 0.18

• 1.8

• 0.018

• 18

Kevin spent $3.85 on snacks every day for 14 days. What is the amount of money Kevin spent on these snacks?

• $53.70

• $539.00

• $0.28

• $53.90

Mark has $5.25 in quarters. He spent all this money on 3 sports drinks. He spent the same amount for each sports drink. Which equation can be used to find the amount of money Mark spent for each sports drink?

• 5.25 x 3 = 15.75

• 5.25 ÷ 7 = 0.75

• 5.25 ÷ 3 = 1.75

• 5.25 x 7 = 36.75

Tyler’s dad paid $93.60 for 12 months of internet service. How much did Tyler’s dad pay for each month of service?

• $1,134.60

• $78.00

• $0.78

• $7.80

The atomic weight of the element potassium is thirty-nine and one hundred two thousandths. What is the expanded form of this number?

• (3 x 10) + (9 x 1) + (1 x 1/10) + (2 x 1/1000)

• (3 x 10) + (9 x 1) + (1 x 1/100) + (2 x 1/1000)

• (3 x 10) + (9 x 1) + (1 x 1/100) + (2 x 1/10)

• (3 x 1) + (9 x 1) + (1 x 1/100) + (2 x 1/1000)

Jamie has 3 rocks with masses of 89.204, 90.547 and 89.21

Order the masses of the rocks from least to greatest.

• 89.21, 89.204, 90.547

• 90.547, 89.21, 89.204

• 89.204, 89.21, 90.547

• 90,547, 89,204, 89,21

What is the 3.761 rounded to the nearest hundredth?

• 3.761

• 3.8

• 3.77

• 3.76

Maria went to the store and bought some apples for $3.80 and some oranges for $2.60. She has $5.60 left. How much money did she have before buying the apples and oranges?

• $12.00

• $6.40

• $8.20

• $0.80

The math team does practice drills that each last 1/6 hour. In February the team did practice drills for a total of 24 hours. How many practice drills did the math team do in February?

• 1/144

• 1/4

• 144

• 4