Operations w/ Rational Numbers

Rational Numbers

100

Define Repeating

When a number has a repeating decimal, it never ends

200

Define terminating

When a number has a decimal that stops, it does not repeat

300

What is as a decimal? If it repeating or terminating?

-9/22

repeating;

-0.4 bar 09

400

What is as a decimal? If it repeating or terminating?

7/32

terminating; 

0.21875

500

What is as a decimal? If it repeating or terminating?

23/50

terminating; 

0.46

Adding RN

100

 -3 5/9+1 2/9= 

2 3/9 or 2 1/3

200

 -2/5+2.3= 

1.9 or 1 9/10

300

2/5+(-0.75)=

-0.35 or -7/20

400

 -1 1/4+0.75+0.45= 

-0.05 or -1/20

500

 -0.25+3 1/6+2 1/12= 

5 or 5/1

Subtracting RN

100

 -3.27-(-6.7)= 

3.43

200

 -2/3-(-1/2)= 

-1/6 or -0.1bar6

300

-5 1/4-(-6.8)=

1.5 or 1 11/20

400

 1/4-(-1.75)= 

2 or 2/1

500

 -2 4/5-1.4= 

-4.2 or -21/5 or -4 1/5

Multiplying RN

100

 -3/4(-7/9)= 

7/12

200

 1/3(-2 3/4)= 

-11/12

300

Double Jeopardy

1/4xx9.5xx-0.8xx2 1/5=

-4.18

400

 1/2xx3/5xx-1 7/8= 

-9/16or-0.5625

500

 -8.4xx0.25xx3 4/5= 

7.98or7 49/50

Dividing RN

100

 -4/7div8/9= 

-9/14

200

 4/5div-0.1= 

8or8/1

300

 -4.75div-1 1/4= 

3 4/5or3.8

400

 3/4div-0.05= 

-15

500

 -6.85div-2 2/5= 

2.85or2 17/20

Applying RN

100

 5/6xx-4/5+0.75-1/3= 

-5/12

200

 -3.6+(2 4/5xx-1/2)+6 3/4= 

4.55or11/20

300

 7/8+ (-7/16)+0.8xx1/4= 

0.6375or51/80

400

1/2(7/10-3/5)+(-1.9)=

-1.85or-1 17/20

500

triple jeopardy

(3/5)^2+1/10(-1/5-3/5)=

0.28or7/25