Writing Expressions
Combining Like Terms
What's the property?
Distributive Property
Add/Subtract Expressions
100

Four less than a number p

p - 4

100

4x + 7 - 3x

x + 7

100

If the order of terms changes, the sum stays the same.

Commutative Property of Addition

100

3(2f + 7)

6f + 21

100

4x + 2 + 7 - x

3x + 9

200

5 more than the product of 10 and a number q

10q + 5

200

4z + 8y + z - 2y

5z + 6y

200

When the grouping of terms changes, the sum stays the same.

Associative Property of Addition

200

2(3 + 5d)

6 + 10d

200

5x + 8 - x + 2 + x

x2 + 4x + 10

300

The quotient of 48 and a number z

48/z

300

2x - 7x + x - y

-4x - y

300

The sum of 0 an any number is that number.

Identity property of addition

300

4(2x + 3y + 5d)

8x + 12y + 20d

300

5a + 8a -16 

13a -16

400

The sum of 8, a number a, and a number b

8 + a + b

400

17b - 18b - 12b

5b2 - 18b

400

The product of any number is that number. 

Identity property of Multiplication

400

Distribute and Simplify:

6(x + 4 + 2x)

18x + 24

400

6(2x + 12) + x + x - 62

x2 + 13x + 10

500

7 less than the quotient of 9 and a number q

9q - 7

500

6(2x + 5y) + 3x

12x2 + 33x

500

What property is this an example of?

12 x (3 x e)

(12 x 3) x e

Associative Property of Multiplication

500

p (4r + 5 + 5r +2)

9pr + 7p

500

3(x + 3y + x) + 2(y + x + x)

5x2+ 11y + 5x