Real Numbers
Square Roots
Cube Roots
Mixed
Mixed
100

Is 987/430 natural?

No, this number is rational, but not natural.

Natural numbers are 1, 2, 3, 4, 5...

100

√20

2√5

100

∛1000

10

100

Is -0.89 an integer?

No.

100

Is 1.152637 rational?

Yes.

200

Is 356 integer?

Yes.

200

√676

26

200

∛9261

21

200

√150

5√6

200

What is the difference between the rational numbers set and the integers set?

Integers are whole numbers and their opposites (no fractions or decimals). 

300

Is 44.5555555555... rational?

Yes. It repeats.

300

√1120

4√70

300

∛168

2∛21

300

∛108

3∛4

300

√792

6√22

400

Is 31.4564778.....rational?

No. Decimal form doesn't end or repeat.

400

√19800

30√22

400

∛4500

5∛36

400

√1764

42

400

∛10125

15∛3

500

Is pi/pi rational?

Yes, a number divided by itself is 1

500

√3844

62

500

∛1728

12

500

√2240

8√35

500

√4725

15√21