Properties of Real Numbers
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Easy
Joedi Coleman
Used 3+ times
FREE Resource
5 Slides • 6 Questions
1
2
Match
Match the number and the sets it belongs to.
−4
130
-18.2
420
Z, Q, R
I, R
Q, R
N, W, Z, Q, R
Z, Q, R
I, R
Q, R
N, W, Z, Q, R
3
4
5
6
7
Match
Match the Property and its explanation
order doesn't matter with multiplication and addition
grouping doesn't matter with multiplication and addition
keep the value/stays the same
use the opposite to "cancel"
anything multiplied by zero is zero
commutative property
associative property
identity property
inverse property
property of zero
commutative property
associative property
identity property
inverse property
property of zero
8
Match
Match the property and its explanation
multiplying a value to everything in parenthesis
a value is equal to itself
If a=b, then b=a
If a=b and b=c, then a=c
distributive property
reflexive property
symmetric property
transitive property
distributive property
reflexive property
symmetric property
transitive property
9
Labeling
Match the property
10
Open Ended
Is the set of integers closed under division? If it is not closed (give a counterexample)
11
Open Ended
Is the set of real numbers closed under addition? If it is not closed (give a counterexample)
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