Pre-Algebra Final Review Game #2B

Evaluating Algebraic Expressions

100

7a " for "a=8

7(8)

56

200

-15+b" for "b=-6

-15+(-6)

-21

300

x-3" for "x=-11

-14-3

-17

Order of Operations

100

7+32div8cdot3

7+4cdot3

7+12

19

200

3cdot11-14div7+1

33-14div7+1

33-2+1

32

300

3^2cdot3^3

3^2cdot3^3=3^(2+3)=3^5=243

Comparing numbers

100

"Compare. Use "lt, gt, or =

7.632"___"7.623

7.632gt7.623

200

What are the integers 4, -8, 3, -1, 0

in order from least to greatest?

-8, -1, 0, 3, 4

300

4/5"___"8/9

"Compare. Use "lt, gt, or =

36/45lt40/45

Factors, LCMs and GCFs

100

List in order all of the factors of 24.

1, 2, 3, 4, 6, 8, 12, 24

200

Find the greatest common factor (GCF) of 18 and 24.

18=2cdot3cdot3

24=2cdot2cdot2cdot3

GCF=2cdot3=6

300

What is the least common multiple (LCM) of 6 and 8?

6=2cdot3

8=2cdot2cdot2

LCM=2cdot3cdot2cdot2=24

400

What is the prime factorization of 60?

60=2cdot30

60=2cdot2cdot15

60=2cdot2cdot2cdot3cdot5

(2^2)(3)(5)

Translating

100

The quotient of 6 and a number is 189.

6/n=189

200

Forty is 3 times the difference of a number and 7.

40=3(n-7)