Unit 7 Sums and Products of Rational and Irrational Numbers
Authored by Betsy Ann Morgan
Mathematics
9th Grade
CCSS covered
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.̅6 + 6 = 10.̅6
This is an example of
I + R = Irrational
R + R = Rational
I + R = Rational
Tags
CCSS.7.NS.A.1D
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Think of one rational number and one irrational number, and add them together. Type out your addition problem and tell if the sum is rational or irrational?
(a)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A rational number multiplied by an irrational number will always give an answer that is irrational.
(R ⋅ I = Irrational)
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.5 ⋅ 14 = 35
This is an example of
R ⋅ R = Rational
I + R = Irrational
I ⋅ R = Rational
R ⋅ R = Irrational
Tags
CCSS.6.NS.B.3
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The sum or product of a non-zero rational number and an irrational number is always
rational.
irrational.
a repeating decimal.
a fraction.
Tags
CCSS.HSN.RN.B.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the following a model of?
the sum of two irrational numbers
the sum of two rational numbers
a rational number plus an irrational number
the product of two irrational numbers
Tags
CCSS.HSN.RN.B.3
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The product of a non-zero rational number and an irrational number can always be written as
a fraction.
a terminating decimal.
a non-repeating, non-terminating decimal.
a repeating decimal
Tags
CCSS.HSN.RN.B.3
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