Chapter 3 Review

Prime or Composite

100

A number greater than one that has only 1 and itself as factors. 

Prime number 

200

A whole number that is not a prime number 

Composite

300

Prime or Composite 

142

Composite 

400

Prime or Composite 

149

Prime 

500

Prime numbers like 5 & 7, 11 & 13, 17 & 19 are called twin primes because they differ by 2. List two other sets of twin primes. (There are 4 total sets) 

29 & 31

41 & 43

59 & 61 

71 & 73 

Greatest Common Factor

100

Find the Greatest Common Divisor (Factor) 

(10,50) 

GCD= 10

200

Find the Greatest Common Divisor (Factor) 

(18, 72) 

GCD = 18

300

Find the Greatest Common Divisor (Factor) 

(5, 20h) 

GCD = 5

400

Find the Greatest Common Divisor (Factor) 

(56p, 72p) 

GCD = 8p

500

Find the Greatest Common Divisor (Factor) 

(54n, 84n) 

GCD = 6n 

Distribution

100

Distribute: 

3(2+6)= 

24

200

Distribute: 

7(8 + w) = 

56 + 7w

300

Distribute: 

9(q + 11)= 

9q + 99

400

Distribute: 

8(6k + h + 10) = 

48k + 8h + 80 

500

Distribute: 

25(9 + b + 5d) = 

225 + 25b + 125d

Factor

100

Factor: 

2d + 8 = 

2(1d + 4) 

200

Factor:

12t + 18 = 

6(2t + 3) 

300

Factor:

13g + 39h = 

13( 1g + 3h) 

400

Factor:

24b + 4n = 

4(6b + 1n) 

500

6h + 27f

3(2h + 9f) 

Scientific Notation

100

Write in Scientific Notation: 

62,000

6.2 x 10⁴

200

Write in Scientific Notation: 

306,000,000

3.06 x 10⁸

300

Write in Scientific Notation: 

0.00002089

2.089 x 10^-5

400

Write in Scientific Notation: 

0.0000000004

4.0 x 10^-10

500

0.0000000000062

6.2 x 10^-12