Simplifying Fractions & GCF

GCF/MCD

100

Determine the GCF (MCD) of 26 and 65

13

200

Determine the GCF (MCD) of 70 and 52

2

300

What is the GCF to divide this fraction? 

24/36

12

400

What is the GCF if you were going to divide this fraction? 

30/120

30

500

Determine the GCF of 180 and 75. 

15

Prime Factorization

100

What is the prime factorization of 70? 

2*5*7

200

Determine the prime factorization of 95. 

5*19

300

What is the difference between a prime number and a composite number? 

A prime number has factors of only 1 and itself

A composite number has more factors

400

Determine the prime factorization of 140

2*2*5*7

500

What is the prime factorization of 400? 

2*2*2*2*5*5

Simplifying Fractions

100

Simplify this fraction 

8/20

2/5

200

Simplify this fraction 

16/24

2/3

300

Simplify 80/96

5/6

400

Ms. Haft says that the simplification of 48/120= 6/15. Explain why she is wrong. 

6/15 is not simplified. The GCF of 48 and 120 is 24, but Ms. Haft used a common factor of 8. The simplified fraction should be 2/5. 

500

Is 3/9 the simplification of 75/225? Explain why or why not. 

No, because 3/9 can be simplified to be 1/3. 

PEMDAS

100

Evaluate using the order of operations. 

9-8+17(4/2)

35

200

Evaluate 

18/3+4/2²

7

300

Evaluate

(18-25)*3+6/2

-18

400

Evaluate

10-100(9/3)+5³

-175

500

Evaluate

80-9²(7-9)+7

249

Sort/Compare

100

What kind of number is this?

6/8 

Rational

200

What kind of number is this? 

4+9i

Complex

300

Compare these numbers

9/18 and 3/5

9/18 < 3/5

400

Compare these numbers

-sqrt(26) and -47/6

-sqrt(26) > -47/6

500

Compare these numbers

16/5 and 80/25

16/5 = 80/25