Review for Quiz - Number Systems (advanced class)

The 2 sub-sets of all Real Numbers are __________

• whole and counting

• integers and fractions

• positive and negative

• rational and irrational

• irrational

• rational

• integer

• whole number

• natural number

• irrational

• rational

• integer

• whole number

• natural number

6.313131313 is what type of number (click all the correct answers)?

• irrational

• rational

• integer

• whole number

• natural number

Numbers like -3, -2, -1, 0, 1, 2, 3 are called is what type of number (click all the correct answers)?

• whole numbers
• integers
• rational numbers
• natural numbers

A rational number can be written as a fraction.

• True
• False

0.8 is a rational number

• True
• False

What number below is a natural, whole, integer, and rational number ?

• -4

• 5.1

• 0.7

• 3

When a rational number is written as a decimal, the decimal is either ________

• positive or negative

• pi or not pi

• terminating or repeating

• really long or really short

When you add integers with the same sign, what do you do? 

• (+) and keep the sign

• (-) and keep the sign of the larger

• (x) and keep the sign
• (-) and keep the sign of the smaller