7.PFA.2 a-d

GEMDAS

100

What do the M and D stand for in GEMDAS?

Multiplication and Division

200

What operations are done left to Right?

M/D and A/S

300

In this expression, 2x-4(3-6), what is my first step?

Grouping: (3-6)

400

In the expression, √144 +3²-6, in what order am I solving?

Grouping: √144

exponents: 3²

addition: 12+9

subtraction: 21-6

500

What could happen if we all didn’t use the order of operations (GEMDAS)?

We could all get different answers 

REPLACEMENT VALUES

100

Evaluate: 3x - 2, if x=10

3(10) - 2

30 - 2

= 28

200

Evaluate 4b²-3a if a=2 and b=2

10

300

3m+n when m=9 and n=4

31

400

6b+c³-2a, if a = 8,b=0, and c=6

200

500

4g+f² when f=2, g=5, h=11

24

COMBINE THESE TERMS

100

2x+3x

6x

200

3x+3-1

3x+2

300

2y+2-y+6

y+8

400

x+x-3x

-1x

500

4x²-3x+4x

4x²+x