Number Families, Rational vs. Irrational, Radicals
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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19 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Irrational numbers
never end and never repeat.
can be positive or negative.
are square roots of perfect squares.
Tags
CCSS.8.NS.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A terminating decimal is
rational.
irrational.
Tags
CCSS.8.NS.A.1
CCSS.7.NS.A.2D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The square root of a perfect square is
irrational.
rational.
Tags
CCSS.8.NS.A.1
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Identify the rational numbers.
0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or False: The set of irrational numbers is a subset of rational numbers.
True
False
6.
DROPDOWN QUESTION
1 min • 1 pt
A rational number plus a rational numbers is (a) rational.
A rational number times a rational number is (b) irrational.
An irrational number times as an irrational number is (c) rational.
always
never
sometimes
Answer explanation
For these, always try a few examples.
The only one that is tricky is the irrational times an irrational...
If you do pi times pi we get irrational.
If you do square root 3 times square root 3 we get 3 (rational).
Tags
CCSS.HSN.RN.B.3
7.
DRAG AND DROP QUESTION
1 min • 1 pt
An (a) number is a (b) decimal, non-repeating decimal, and a (c) .
irrational
non-terminating
non-perfect square
Tags
CCSS.8.NS.A.1
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