Math 6 Week 14 Lab

PRIME FACTORIZATION

100

Find the prime factorization of 189

3³ x 7

200

Find the prime factorization of 390

2 x 3 x 5 x 13

300

What is wrong with this prime factorization of  32?

2³​​​​ x 4

4 is not a prime number

400

Find the prime factorization of 540

2² x 3³ x 5

500

What is the prime factorization of 71?

1 x 71

EQUIVALENT FRACTIONS

100

Find two equivalent fractions for 5/9

10/18, 25/45, 15/27,20/36

200

Find two equivalent fractions for 3/9

1/3, 9/27, 30/90

300

True or False: To find equivalent fractions we can multiply, divide, add or subtract as long as we do the same thing to both the numerator and the denominator.

FALSE

400

Complete the equivalent fraction

4/5 = 8/a = 24/b

a = 10 and b = 30

500

Complete the equivalent fraction

48/64 = 12/x = 3/y

x = 16 and y = 4

GCF

100

What is GCF?

The greatest common factor. The biggest factor two or more numbers have in common.

200

Find the GCF of 48 and 56

8

300

Find the GCF of 9 and 30

3

400

Find the GCF of 24 and 42

6

500

Find the GCF of 39 and 104

13

FRACTIONS IN SIMPLEST FORM

100

What do we need to find to simplify fractions?

The GCF of the numerator and the denominator

200

Is 1/8 in simplest form?

Yes

300

Simplify 6/21

2/7

400

Simplify 16/24

2/3

500

True or False: A fraction with a prime number in the numerator is already in simplest form.

False

Mixed Numbers/Improper Fractions

100

Write 1 5/8 as an improper fraction

13/8

200

Write 5 1/3 as an improper fraction

16/3

300

Write 9/8 as a mixed number

1 1/8

400

Write 32/9 as an improper fraction

3 5/9

500

Simplify 14/2

7