
Understanding Irrational Numbers
Authored by Yaganti DLakshmi
Mathematics
9th Grade
CCSS covered
Used 9+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an irrational number?
An irrational number is a complex number.
An irrational number is a number that can be expressed as a simple fraction.
An irrational number is a whole number.
An irrational number is a real number that cannot be expressed as a simple fraction.
Tags
CCSS.HSN.RN.B.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give an example of an irrational number.
1.3452
1/32
Square root of 2
Square root of 36
Tags
CCSS.HSN.RN.B.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain why the square root of 2 is an irrational number.
The square root of 2 is a prime number.
The square root of 2 is rational because it can be expressed as a fraction.
The square root of 2 is an integer number.
The square root of 2 is an irrational number because it cannot be expressed as a fraction of two integers where the denominator is not zero.
Tags
CCSS.HSN.RN.B.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Are all square roots irrational? Why or why not?
Yes
Only for prime numbers
Sometimes
No
Tags
CCSS.HSN.RN.B.3
CCSS.HSN.RN.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are irrational numbers represented on a number line?
By plotting them as whole numbers on the number line
By skipping them altogether on the number line
By representing them as fractions on the number line
By approximating their values on the number line.
Tags
CCSS.HSS.ID.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can you convert an irrational number into a fraction? Why or why not?
No
Yes, because fractions are a more accurate representation of numbers
Yes, because all numbers can be converted into fractions
Yes, because irrational numbers have a finite number of decimal places
Tags
CCSS.HSN.RN.B.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the decimal representation of an irrational number?
The decimal representation of an irrational number is always a whole number.
The decimal representation of an irrational number is non-terminating and non-repeating.
The decimal representation of an irrational number is always a terminating decimal.
The decimal representation of an irrational number is always a repeating decimal.
Tags
CCSS.HSN.RN.B.3
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