Distributive Property
Simplifying Expressions
Adding Binomials
Applications
100

Use the distributive property to simplify. 

3(x + 2)

3x + 6 

100

Simplify. 

-3x - 6x

-9x

100

Add. 

(2x + 6) + (5x + 4)

7x + 10

100

You purchase 3 blue notebooks ad 2 red notebooks. Each notebook costs $1.30. Use mental math to find the total cost of the notebooks.  Justify your answer by using the Distributive Property. 

Total cost = $6.50

5( 1+ 0.30) = 5(1) + 5(0.30)

200

Use the distributive property to simplify.

-2( 2x + 4) 

-4x - 8

200

Simplify. 

8c - 5 - 9c

-c - 5

200

Add.

(4x - 5) + (8x - 6)

12x - 11

200

Find the difference of 8x and twice the sum of x and 7.  Write your answer in simplest form. 

6x - 14

300

Use the distributive property to simplify. 

-7/3( 6c - 12) 

-14c + 28

300

Simplify. 

6k - 7 - 19 + k 

7k - 26

300

Add.

(-6x + 3) + (-2x - 7)

-8x - 4

300

A rectangle has a length of x + 5 and a width of 2x - 9. Using the formula for the perimeter of a rectangle, P = 2w + 2l, write an expression to represent the perimeter of the rectangle in simplest form. 

6x - 8

400

Use the distributive property to simplify. 

-9 -2(7 - 4x)

8x - 23

400

Simplify. 

2a - 1 - 7b + 4a - b + 13 

6a - 8b + 12

400

Add.

3(x + 4) + (2x + 6)

5x + 18

400

The angle measures of a triangle are (x + 15), (2x - 20), and 2x.  What are the actual angle measures of the triangle? 

52, 54, and 74

500

Use the distributive property to simplify. 

-19 -(k + 7) + 10k

9k - 26

500

Simplify. 

4(10k + 1) -4(k - 4)

36k + 20

500
Add.

-1/2(2x - 4) +3(-2x - 6)

-7x - 16

500

In the triangle on the board, the length of c is one less than twice the length of a.  the length of b is four more than the length of c.  Write an expression to represent the perimeter of the triangle in terms of side a.  Write the answer in simplest form. 

5a + 2