Evaluating Expressions

Simplify

100

If b=3,

what is 7b

7*3= 21

200

2a + 5 for a = 3

2 * 3 + 5 = 11

300

a= 2   m =4

5a + 2m + 3

5*2   + 2*4   + 3=21

400

b=4 

3(5 + b) -15

15 + 3b -15

15 + 3*4 -15

12

500

c =3

d=2

3 (2c + 4) + 2d

6c +12 + 2d

18 + 12 + 4

34

Simplify 2

100

If b=9,

find 6b.

6*9= 54

200

3a - 4 for a = 3

3*3 - 4= 5

300

r= 3   s =5

5r - 2s + 5

5*3 - 2*5 + 5

=10

400

c =3

3 (5c + 8) -12c

15c + 24-12c

3c + 24

9 + 24

33

500

c =2

d= 3

5 (2c + 4) -5d

10c + 20 -5d

20 + 20-15

25

Simplify 3

100

If c=6,

find 6c.

6*6= 36

200

4s + 7 for s = 3

4*3 + 7= 19

300

w= 3   p =4

8w + 2p - 5w

3w + 2p

3*3  + 2*4

9 + 8 =17

400

d =3

4 (2d + 5) + 2d

8d + 20 +2d

10d + 20

10*3 + 20

50

500

c =3

d=1

4 (2c - 3d) + 5

8c - 12d + 5

24-12 + 5

12 + 5

17

Definitions

100

It is a graph with many pictures/ drawings

Pictograph

200

Any letter representing a number in an expression or equation

Variable

300

The superscript or raised number showing how many times a number is multiplied by itself

Exponent

400

What are the terms in the following expression?

2a + 4c -9

2a, 4c, -9

500

The property used to multiply a number outside the parenthesis with those inside of it.

Distributive Property

Etcetera

100

In 8d, which is the variable?

d

200

Combine Like Terms:

3c + 5 + 4c

7c + 5

300

How many nickels in 1 dollar/

20

400

Combine Like Terms

3m² + 4m + 5m² + 7m

8m² + 11m

500

If m is 2, what is m⁴

16