Order of Operations and Combine like terms

Fix My Mistake

100

9 - 3 x 2 = 12

9 -3 x 2 = 3

200

10÷5 x 2 = 1

10÷5 x 2 = 4 

300

5 x 5 +1 = 30

5 x 5 + 1= 26

400

4 + 5 + 7 - 3 x 2 = 26

4 + 5 + 7 - 3 x 2 = 10

Word Stuff

100

Describe what are like terms

Same variable with the same exponent

200

When evaluating expressions, what should you always use when typing in the calculator?

(   )

300

What comes first?

4 x (3 + 5)⁴

(   )

400

If I have addition and subtraction in my expression, I should move from ______ ___ _______.

left to right

Combine like terms

100

3x + 6x - 4 

9x - 4

200

2( x - 1) + 9

2x + 7

300

12x - 8 - (2x + 3)

10x - 11

400

20 ÷ (8-3) + 16 

20

order of operations

100

(14 + 6) x (12 -4) -9

151

200

(15 - 5) x 10  + 3

103

300

6 x 8 + ( 7 - 6 )

49

400

( 10 + 19 -5 ) x 2

48

Evaluating expressions

100

Evaluate if x = 4 and y = -1

2x - y

9

200

Evaluate if x = -2 and y = 5

-( y - x)

-7

300

Evaluate if x = -3

-( -x)³

-27

400

Evaluate if x = 4, y = -1 and z = -2

z - ( y + 2x)²

-51