Richards Math 2 November Review

Writing algebraic expressions

100

Write an expression for the product of 3 and w.

What is 3w?

200

Write an expression for w less than 8.

What is 8 - w?

300

Write an expression for the difference of twice p and 9.

What is 2p - 9?

400

Twice the difference of 6 and x

2(6-x)

500

Write an expression for 9 times the difference of r and 8.

9(r - 8) or 9 x (r-8)

Evaluating Expressions: 1

100

3a-2 

when

 a=7

19

200

p/4 + 3 

when 

p = 24

9

300

7(n+4) 

when

 n=8

 84

400

(30/b) + 9 

when 

b =6

14

500

(24/4 -c) * a 

when 

a=5 and c=1

 25

Evaluating Expressions:2

100

p + 9

when

p = 6

What is 15?

200

31 - g

 when

 g=3

 28

300

4w 

when 

w=13.

52

400

2rz - 9 

when

 r=2 and z=5.

11

500

3(x + 4) - w

when

x=3 and w=8.

13

Parts of Expressions/PEMDAS

100

What is the constant in the following expression:

v+9

9

200

What does the E stand for in PEMDAS?

Exponents

300

What does the P stand for in PEMDAS?

Parentheses

400

How many terms are in this expression?

3

500

What is the coefficient in the following expression: 

5x-9

5

Integers/Distributive Property

100

-5+ -9 =

-14

200

-7 x 6 =

-42

300

5(3z - 4)

15z - 20

400

-2(-8m - 6)

16m + 6

500

6(- 7m - 2)

-42m - 12