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Rational And Irrational Numbers
Test Description: Review of rational and irrational numbers, and placing them on a timeline.
Instructions: Answer all questions to get your test result.
1) An irrational number:
A
can be expressed as a simple fraction
B
is a whole number
C
cannot be expressed as a simple fraction
D
cannot have repeating decimals
2) A rational number:
A
can be expressed as a simple fraction
B
cannot be negative
C
has repeating decimals
D
cannot be expressed as a simple fraction
3) The number pi is an example of:
A
all of the choices
B
a real number
C
an infinite decimal
D
an irrational number
4) Which one is a rational number?
A
2
B
√8
C
0.303003000...
D
pi
5) What categories belong under rational numbers?
A
positive integers
B
negative integers
C
whole numbers
D
all of the choices
6) What is 2/5 written as a decimal? Is it rational or irrational?
A
0.04 and rational
B
0.4 and rational
C
0.4 and irrational
D
0.04 and irrational
7) What two integers does √2 lie between?
A
0 and 1
B
2 and 3
C
3 and 4
D
1 and 2
8) Which rational number lies between 3 and 4?
A
3.755
B
4.01001000..
C
pi
D
√12
9) What is an estimate of pi²?
A
3.14
B
6
C
7
D
9
10) Are rational and irrational numbers both real numbers?
A
no
B
I don't know
C
maybe
D
yes
*select an answer for all questions
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