Operation with rational number

Adding & Subtracting

100

 6+6/3 

8

200

-5-6+7-8

-12

300

(-5.4)+0.2+(-0.6)+0.8

-5

400

5/7+(-1/7)-(-2/7)

6/7

500

3.2-(-3/4)-5/24+(-2.1)

197/120 or 1 77/120

Multiplying & Dividing

100

①

（-4）*（-7）

②

(-6)*2/3

①

28

②

-4

200

（-3/4）×（-5/6）×(-8/9)

-5/9

300

(-3)÷（-2）×（-2/3）

-1

400

(-3)÷（-0.5）×(-1 2/3)

-10

500

(-1/9)÷（3/4-5/6）×12

16

Exponent

100

（-3）^4

81

200

(-2/3)^3

-8/27

300

-(-1)^2004

-1

400

(-1)^4×（-5）^2

25

500

（-4）^4×（-1/4）^4-（-1 2/3）^3

152/27 or 5 17/27

Operations with rational numbers

100

(20-4)÷2^3

2

200

8-5×3^3

-127

300

(-3)×(1/6+5/9)

-13/6 or -2 1/6

400

(-4)×[(-1)^6+1/4-(-1/2)^2]

-4

500

2.75-[(-5/6)+(2 1/2-0.5)]-(-1/4)

11/5 or 

2 1/5

puzzle

100

You can find me in Mercury, Earth, Mars, Jupiter, and Saturn, but not Venus or Neptune. What am I?

The letter R

200

You can hold me close to your heart without using your hands or your arms. What am I?

Your breath

300

I travel the world, yet never leave the corner. What am I?

A postage stamp

400

They say that I’m golden, but that if you so much as whisper my name, I disappear. What am I?

Silence

500

Who is your favorite teacher?

Ms. Kelly