Simplifying/Substituting

Vocabulary

100

What does Sum mean

Addition

200

What does the difference mean

Subtraction

300

What is the Zero Product property

any number times 0 is 0

400

What is the Commutative property.

the sum or product of two addends in any order does not change the outcome.

3+2=5 just as 2+3=5

6(2)=12 just as 2(6)=12

500

What is the associative property

The sum or product of 3 or more numbers does not change the outcome. Come up with an example

How Many Terms

100

How Many Terms

3x

1 term or a monomial

200

3x²

1 term or a ...

300

2x+10

2 Terms or a ...

400

10x³+5x-14

3 Terms or a ....

500

7/x+1-7y+14y^2

4 terms or a Polynomial

Simplify

100

Simplify 3x+2x

5x

200

3x-x+2

2x+2

300

3(x+2)

3x+6

400

5(2x+3)-2

10x-13

500

3x²+4x-2x+3(2x+2)

3x²+8x+12

Substitute

100

Evaluate when x=2

2x

4

200

Evaluate when x=5

3x-10

5

300

Evaluate when x=1

x²

1

400

Evaluate when x=5

2x+10

20

500

Evaluate when x=49

sqrtx

7

Distribute

100

3(x+2)

3x+6

200

4(2x)

8x

300

7(7x+2)

49x+14

400

5(5x+3y-1)

25x+15y-5

500

x(x)

x²