Math 7 Chapter 4 Review

Adding Expressions

100

4+(x+7)

x+11 or 11+x

200

(4x+6)+4x

8x+6 or 6+8x

300

10x+(3x-9)

13x-9 or -9+13x

400

(14x-6)+(-7x+3)

7x-3 or -3+7x

500

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

13x+13 or 13+13x

Subtracting Expressions

100

5-(x+3)

2-x or -x+2

200

-(2x+4)-3x

-5x-4 or -4-5x

300

-6x-(5x-4)

-11x+4 or 4-11x

400

2(x+5)-2(2x-9)

-2x+28 or 28-2x

500

-3(2x-3)-2(4x+4)

-14x-2 or -2-14x

Distributing

100

3(x+4)

3x+12

200

5(x-9)

5x-45

300

-8(4x-6)

-32x+48

400

6(2x+5)+3(x-1)

15x+27

500

67(67x+67)

4489x+4489

Combining Like-Terms

100

6+3x+4

10+3x or 3x+10

200

5x+12-2x+3

3x+15 or 15+3x

300

-4+5y+4x+6y

4x+11y-4

400

90x+42y+245z

90x+42y+245z

500

93x+98y-36x+13y+5z-40z

57x+111y-35z

Grabbag

100

Woody was abducted by this man in Toy Story 2.

Who is Al from Al's Toy Barn?

200

This Soviet country collapsed in 1991.

What is the U.S.S.R.?

300

This band first played in Liverpool in 1960.

Who are the Beatles?

400

Halo Reach came out in this year.

When is 2010?

500

This man conquered England in 1066.

Who is William the Conqueror?