Unit 2

Negative numbers

100

-3-5=?

-8

200

-5+3=?

-2

300

-2(-3+4)=?

-2

400

-4-(-3x+5)=? When x =6

9

500

-2-3-4-5-(-6)=?

-8

Evaluation

100

X+D, when x=4 and D = 2

6

200

3x-2y, when x=2 and y=3

0

300

2x²-5x, when x=3

3

400

(3x-2y)²+4x, when x=2 and y=4

12

500

2x+3y-4w, when x=a and y=b and w=3

2a+3b-12

Combining like terms

100

simplify…

2x+3x-5-x

4x-5

200

Simplify…

2x³+4x-3x²-2x

2x³-3x²+2x

300

What is an orpple?

An orange and apple combined!

400

Why is an apple + an orange not equal to an orpple?

Because if you add an apple plus an orange, you still have an apple plus an orange.

500

Simplify…

2x³-4+3x²*2+4x-13

2x³+6x²+4x-17

PEMDAS

100

What does PEMDAS stand for?

( ), x³, *, /, +, -

200

Which operation is completed first?

3-2*5/2

-2*5=-10

300

Which operation is completed last?

(3*2-1)²

( )² = 5²=25

400

What is wrong with this order of operations?

(2*3-1)² *2 =

(4)² *2 =

16*2 =

32

Step 2… it should be 5² because 2*3=6-1=5

500

Complete the order of operations…

3-(2³+4)*5=

-57

Bonus

100

What room number are you in?

101

200

What did zero say to eight?

Nice belt!

300

Knock knock…

Who is there?

400

Which monster is the best at math?

Count Dracula

500

Why did nobody talk to PI at the math party?

Because it goes on and on forever!