Page 64 - Math Course 1 (Book 1)

Rational Numbers

MO. 2 - L1b Identify all sets to which the number 0.30303030…
belongs
Identify and Classify
Rational Numbers 0.30303030... is a nonterminat-
Answer ing, repeating decimal. So, it is a
ration number

Vocabulary A-Z
Let us learn some vocabulary
Your Turn!

Classify Numbers

Rational Number
Identify all sets to which –7 belongs.
is any number that can be expressed
as the quotient or fraction a/b of two A. whole number, integer, rational
integers, with the denominator b not a/b B. whole number, integer
equal to zero. C. integer, rational
D. integer
Number As a Fraction Rational?
5 5/1 Yes Answer

1.5 7/4 Yes
.001 1/1000 Yes 4
3
Identify all sets to which belongs.
0.111... 1/9 Yes 5
A. whole number, rational
√ 2 ? NO! B. integer, rational
(square root of 2) C. not rational
D. rational

Let’s Begin Answer

Identify all sets to which 0.24242424… belongs.
Classify Numbers A. whole number, rational
B. integer, rational
C. not rational
Examples D. rational

Answer
Identify all sets to which the number 15 belongs.

15 is a whole number, an
Answer
integer, and a rational number.

1
Identify all sets to which the number 7
belongs. 8

1
Answer 7 is a rational number
8

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