Evaluating Expressions
Combining Like Terms
Pos/Neg
Distributing
Random
100

 y + d + 8, when y = –9 and d = –9

-10

100

20x + 2y - 3x + 15

17x +2y + 15

100

-456 - (-324) =

-132

100

-2(-2x + 5)

4x - 10

100

What is the last day of school? 

June 9th

200

 p – y, when p = 4 and y = 10

-6

200

10y - 4 + y -13 + 2x 

11y - 17 + 2x

200

578.3 + (-145.88) =

432.42

200

5(-5s - p)

-25s - 5p

200

In February, we get two days off from school. Why do we have off? 

Presidents Day 

300

 t – (–7) + v, when t = –5 and v = 9

11

300

2(3y + 4) - 5y

1y + 4

300

-76.29 + (-37.5)=

-113.79

300

-7(10d + 3z -1)

-70d - 21z + 7

300

True or False?

It is impossible to sneeze with your eyes open. 

True

400

 k – 1 + y, when k = 7 and y = 0  

6

400

22y + x - 12y + 5 - 4x

10y - 3x + 5

400

1.253 + (-0.9) =

0.353

400

3(5 - 3w + 2)

-3w + 21

400
True or false? 


Most people cannot lick their elbow. 

True

Try it!

500

z(x + y); use x = 6, y = 8, and z = 6

84

500

x + 2x - xy + 5y + 13 - 8y

3x - xy + 13 - 3y

500

172.45 - (-88.67)=

261.12

500

-4(5k - 2w + 10)

-20k +8w - 40

500

What is the most common eye color in the world? 

Brown 

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