
Lesson: Classifying Numbers
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Christopher Gassler
Used 61+ times
FREE Resource
6 Slides • 6 Questions
1
Multiple Choice
YES I have my notebook out
No, I know it means a bad grade
2
Classifying Numbers
Objective: Classify numbers into their categories.
3
Rational Numbers
Irrational Numbers
Vocabulary
Real Numbers
Positive Numbers
Negative Numbers
ALL Fractions
Decimals that END
Decimals that REPEAT
Decimals that DO NOT END
Decimals that DO NOT REPEAT
Where do we see this happen?
4
Multiple Select
Choose all the irrational numbers.
5
π
16
5
1.6
5
Rational Numbers
Irrational Numbers
Vocabulary
Real Numbers
Counting Numbers
Examples: 1, 2, 3, 4, 5, 6, ...
NO Fractions
NO Decimals
Decimals that DO NOT END
Decimals that DO NOT REPEAT
Natural Numbers
6
Rational Numbers
Irrational Numbers
Vocabulary
Real Numbers
Counting Numbers and 0
Examples: 0, 1, 2, 3, 4, 5, 6, ...
NO Fractions
NO Decimals
Decimals that DO NOT END
Decimals that DO NOT REPEAT
Whole Numbers
7
Rational Numbers
Irrational Numbers
Vocabulary
Real Numbers
Positive and Negative Numbers
Examples: ...,-3, -2, -1, 0, 1, 2, 3, ...
NO Fractions or Decimals
Decimals that DO NOT END
Decimals that DO NOT REPEAT
Integers
8
EXAMPLES of Classifying Numbers
Classify: -4 (circle all that apply)
Rational
Irrational
Natural
Whole
Integer
Classify: Which of the numbers are INTEGERS?
9
Multiple Select
Some numbers fall into multiple categories.
What type of number is 25?
(select ALL that apply)
Rational
Irrational
Natural Number
Whole Number
Integer
10
Multiple Select
Which of the following numbers are integers?
(select ALL that apply)
0
-8
-4.5
7
31
11
Multiple Select
What type of number is −35 ?
(select ALL that apply)
Rational
Irrational
Natural Number
Whole Number
Integer
12
Multiple Select
What type of number is 8 ?
(select ALL that apply)
Rational
Irrational
Natural Number
Whole Number
Integer
YES I have my notebook out
No, I know it means a bad grade
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