Unit 6 Test

1.

1 point

At a store, 5 erasers cost $2.50. How many erasers can you buy for $7.50?

2.

1 point

A map has a scale of 1cm:5km. If two cities are 11cm apart on a map, what is the actual distance in kilometers?

11/5 km

55 km

1/2 km

2.2 km

3.

1 point

What is the value of x?

x/5 = 16/20

6

2

4

8

4.

1 point

Each letter in the word THEORETICAL is written on a separate slip of paper and placed in a hat. A letter is chosen at random from a hat. What are the odds in favor of choosing a consonant? Write your answer as a fraction.

5.

1 point

The theoretical probability that a coin will lands on heads when tossed is 1/2 or 50%.

True

False

6.

1 point

Suppose you roll a number cube. Find the probability of rolling a prime number. Your answer should be in simplest form.

7.

1 point

Cashews cost $.40 per ounce. You have $6. Can you buy on pound of cashews?

No, because you do not have enough money. You will need an extra $1.30.

Yes, because you have enough money. It only costs $4.80.

Yes, because you have enough money. It only costs $5.65.

No, because you do not have enough money. You will need an extra 40 cents.

8.

1 point

A woman is standing next to a tree. She is 64 inches tall and casts a shadow 24 inches long. The tree's shadow is 67.5 inches long. How tall is the tree?

10 feet

180 feet

22.75 feet

15 feet

9.

1 point

You travel 24 miles in 2 hours while biking. At this rate, how far can you travel in 5 hours?

48 miles

19 miles

120 miles

60 miles

10.

1 point

A bag holds 8 slips of paper numbered 1 through 8. You randomly choose one slip of paper. What is the probability that the number on the slip of paper is greater than 5?

3/8

5/8

1/4

1/2

11.

1 point

Which statement is true about similar figures?

Similar figures have the same shape, but not the same size.

Similar figures are the exact same size, but are different shapes.

Similar figures are the exact shape and size.

Similar figures are neither the same size nor shape.

12.

1 point

What is the value of y?

2.4/4 = 3/y

5

0.5

0.2

2

13.

1 point

Jennifer types 140 words in 4 minutes. How many words can she type in 1 minute?

20 words/min

35 words/min

50 words/min

25 words/min

14.

1 point

What is the value of z?
6/2.7 = 40/z

18

21

10

35

15.

1 point

Which rate is equivalent to 15 mi/1hr?

***Note*** There are 5,280 feet in a mile.

22 ft/1 min

1320 ft/1 min

4,752,000 ft/1 min

79,200 ft/1 min

16.

1 point

The shadow of a goalpost on a football field is 20 feet long. A football player who is 6 feet tall stands next to the goalpost and casts a shadow 32 inches long. How tall is the goal post?

45 feet

24 feet

3.75 feet

30 feet

17.

1 point

If each letter of the alphabet was placed on an index card an put in a hat, what would be the probability that you would select a vowel?

21/5

5/26

6/26

5/21

18.

1 point

A bakery is selling 2 dozens of muffins for $21.12. Find the unit rate.

$1.76/muffin

$.95/muffin

$.88/muffin

$1.00/muffin

19.

1 point

Which size of detergent is the better buy?

SMALL: 32 fl. oz costs $4.40
MEDIUM: 48 fl. oz costs $5.76
LARGE: 64 fl. oz costs $8.32

Large

They all have the same cost per fluid ounce.

Medium

Small