Huether's Pre-Algebra Chapter 4 Test Review

Prime Factorization

100

Composite numbers are the product of 2 or more ______?

Prime Numbers

200

State whether each number is prime or composite?

147 & 79

147 = composite

79 = prime

300

Find the Prime Factorization of 525.

3 x 5² x 7

400

Write the prime factorization of 136.

2³ x 17

500

Find the Prime Factorization of 900

2² x 3² x 5²

GCF & LCM

100

List all the factors of 28

1,2,4,7,14,28

200

Numbers of expressions whose greatest common factor is 1 are called ______. 

Relatively Prime

300

Find the LCM of 30 and 72.

360

400

Find the GCF of 30 and 72.

6

500

Find the GCF of 28, 42, 56

14

Real Numbers

100

Identify the Property illustrated.

7 x 0 = 0

Zero Property of Multiplication

200

Convert the decimal to its reduced fraction form.

0.315

63/200

300

Convert the fraction to a decimal.

25/9

2.7 repeating

400

As specifically as possible, classify the set of each number is in as: N, W, Z, Q, or Q'

Square root of 8

Q'- Irrational

500

As specifically as possible, classify the set each number is in as: N ,W, N, ℚ, or ℚ′

-3.6 

0

Rational or Q

Whole Number or W

Ratios/Proportions

100

At an average rate of 47 mi/hr, how far can you go in 5 hours?

235 miles

200

What is the unit rate for a car's average speed if it travels 210 miles in 4 hours?

52.5 mi/hr

300

The soccer team at Bethany Christian School has 18 players. There are 6 seniors, 4 juniors, 4 sophomores, and the rest are freshman. What is the ratio of seniors to freshman?

3 to 2

3/2

400

solve the proportion.

x/12 = 11/6

x = 22

500

solve the proportion.

6/y = -5/4

y = -4.8

Mixed Numbers/Improper Fractions

100

Rename the improper fraction as a mixed number.

57/12

4^3/4

200

Rename the improper fraction as a mixed number.

-97/9

-10^7/9

300

Rename the mixed number as an improper fraction.

-11^5/7

-82/7

400

Rename the mixed number as an improper fraction.

_{5 & 2/9}

47/9

500

Reduce 42/54 to lowest terms.

7/9