2.  Prime numbers- Numbers that only have two factors (1 and itself)  Ex: 3= 1x3 5=1x5 13=1x13  Composite numbers –Numbers that have more than 2 factors  Ex: 4=1x4 4=2x2 12=1x12 12=3x4 12=2X6  Number 1 is neither. (Not composite. Not prime)

3.  Given the numbers 7, 8, 18, 21, 23, 31, which numbers are composite? a) 7, 23, 31 b) 7, 8, 21 c) 21, 23, 31 d) 8, 18, 21

4.  Given the numbers 2, 3, 6, 7, 12, 15, 29, which numbers are prime? a) 2, 3, 7, 12, 29 b) 6, 7, 12, 15 c) 2, 3, 7, 29 d) 3, 6, 7, 15, 29

5.  Which point is located at -8 on the number line? a) point A b) point B c) point C d) point D

6.  Which integer is located at point A? a) 3 b) -1 c) 2 d) -3 C 0 A B

7.  Which integer is located at point B? a) 3 b) -1 c) 2 d) -3 C 0 A B

8.  Show the fraction in lowest terms? 9/27 1/3

9.  Show the fraction in lowest terms? 8/36 2/9

10.  Show the fraction in lowest terms? 24/40 4/5

11.  What is the product of the expression below? 52X69 3,588

12.  What is the product?

13.  What is the quotient? 6,432 ÷ 8 = ___ 804

14.  What is the quotient? 52,431 ÷ 23 = ___

15. 2+10-2x6

16. 120-10 2 ÷

17. 2+ 6(1/2) – 1

18.  If h=3 then solve for the expression? 6+h-2=

19.  Round to the nearest tenth:  1,112= 1.28= Round to the nearest hundred: 23,489= 3.512=