Show:
Variables and Expressions
Properties
Distributive Property
Factoring and Like Terms
Add & Subtract Linear Expressions
100

Write an expression for 5 more than a number n

n + 5

100

Name the property:   7 + 9 = 9 + 7

Commutative of Addition

100

Expand: 3(x+4)

3x+12

100

Combine like terms: 4x + 3x

7x

100

Add: (2x + 3) + (4x + 1)

6x + 4

200

Evaluate 3x + 7 when x = 4

19

200

Name the property: 3x(4x5) = (3x4)x5

Associative of Multiplication

200

Expand: 5(2x - 3)

10x - 15

200

Combine like terms: 5y + 2 - 3y

2y + 2

200

Subtract: (5x + 7) - (2x + 3)

3x + 4

300

Write an expression for a number y decreased by 9

y - 9

300

Use a property to write an equivalent expression for 

6 + (2 + 8)

Either (6 + 2) + 8 OR 6 + (8 + 2)

300

Expand: 6(3x + 2)

18x + 12

300

Factor: 6x + 18

6(x + 3)

300

Add: (3x - 5) + (2x + 9)

5x + 4

400

Evaluate 2a2 when a = 5

50

400

Compute mentally using a property: 27 x 4

108

4(20) + 4(7) = 80+28

400

Expand: -2(3x + 5)

-6x - 10

400

Combine like terms: 3x + 4y - x + 2y

2x + 6y

400

Subtract: (7x + 4) - (3x - 2)

4x + 6

500

Evaluate 4x - 3y when x = 6 and y = 2

18

500

Name the property: 12 x 1 = 12

Identity of Multiplication
500

Compute mentally using the Distributive Property:

7 x 98

7(90) + 7(8) = 630 + 56 = 686

500

Factor: 12x - 8

4(3x - 2)

500

Simplify: (2x + 3) + (x - 8) - (4x + 1)

-x - 6