Pemdas

add/subtract

100

-2/3 + - 1/3

-1

200

-3/4 + 1/2

-1/4

300

-5/4 + 3/12

-1

400

-6/9 -4/20 -4/45

-43/45

500

-69/420 + 4/60 + 5/70

-11/420

multiply

100

3/4 X 4/2

2

200

-3/6 -4/3

2/3

300

-7/5 x 6/4 x 1/2

-21/20

400

-7/20 x -7/5 x 1/2

-49/200

500

-4/5 x 7/8 x 60/40 

-21/20

divide

100

(-7/4 x 4/6 x 6/8 x 7/6)/(6/8 x 4/6 x-7/4 x 7/6)

1

200

-7/8 / 4/6 

-21/16

300

-6/4 / 2/3 / 3/2 / -6/4

1

400

-72 / 1/2 / 4/3

108

500

(-4/5 x 6/3 x 79/43 x 63/2) / (63/2 x 6/3 x -4/5)

79/43

identify

100

What type of number is 2/3?

rational

200

what type of number is 𝛑?

irrational

300

what type of number is 9/11?

rational

400

what type of number is √31?

irrational

500

What type of number is 5.067 x 10⁷?

rational 

pemdas

100

-3/4 x 2 + 1/2

-2

200

(3/4)² 

9/16

300

(3/4 x 1/2 + 7/8)²

25/16

400

(7/4 x 3/6)² (4^-1) 

49/256

500

Simplify the following expression 

(9x² - 4) (y³ + x²)

9x²y³ + 9x⁴ - 4y³ + 4x²