Fractions +-
Decimals
Integers + -
Fractions X /
Rational/Irrational
100

5/8 - 7/16=

3/16

100

64.8 + 8.7=

73.5

100

-12+22=

10

100

2/3 x 3/4=

1/2

100

11

Rational: can be expressed as a fraction

200

11/16 - 1/2=

3/16

200

9.7 + 6.4= 

16.1

200

-1-(-4)=

3

200

6 x 2/3=

4

200

1.414213

Rational: terminating decimal

300

8/6 + 3/8=

1 11/12

300

4.321 - 4.1= 

0.221

300

-5-8=

-13

300

4/5 divided by 1/3=

2 2/5

300

Square root of 7

Irrational: because it's not a perfect square

400

3 - 1/4=

2 3/4

400

6.8 + 7.7 + 2.1= 

16.6

400

-11+2=

-9

400

-2 x 5/6=

-1 2/3

400

3.141592...

Irrational: because it's not terminating

500

2 1/3 + 3 1/8=

5 11/24

500

2.50 - 1.85 - 1.25=

0.60

500

5+7+(-12)=

0

500

-3/4 divided by -4/5=

15/16

500

0

Rational: can be written as a fraction