Ordering Rational Numbers
Presentation
•
Mathematics
•
7th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 18 Questions
1
Ordering Rational Numbers
Convert all numbers to
the same form
Order from least to greatest
Decimal form is usually the easiest to compare
2
Multiple Choice
Ascending means...
least to greatest
greatest to least
average
mean
3
Multiple Choice
Descending means...
below zero
negative
least to greatest
greatest to least
4
Fractions to Decimals
Divide the numerator by the denominator
You may need to round if the decimal
does not terminate or end.
Remember 4 or below leave it alone
5 or higher round up
5
Multiple Choice
What is the equivalent of 3/8 written as a decimal?
0.38
0.375
3.8
0.3
6
Decimals to Percents
Multiply by 100
Add the % sign
A percent can be a whole number or a decimal
7
Multiple Choice
Convert the decimal 0.875 to a percent
8.75%
87.5%
875%
0.00875%
8
Percent to Decimal
Remove the % sign
Divide by 100
Be careful moving your decimal
9
Multiple Choice
Convert 3.5% to a decimal
0.035
0.0035
350
35
10
Percent to a Fraction
Remove the % sign
Place over 100
Simplify
Start small when simplifying if necessary
11
Multiple Choice
Express 32% as a fraction in simplest form
32/100
8/25
16/50
100/32
12
Multiple Choice
Order from least to greatest: 4/5, 0.93, and 0.9
4/5, 0.93, 0.9
0.93, 4/5, 0.9
4/5, 0.9, 0.93
0.93, 0.9, 4/5
13
Multiple Choice
Order the following rational numbers from least to greatest.
−67, −1.26, −21
−1.26, −67, −21
−67, −1.26, −21
−1.26, −21, −67
−21, −67, −1.26
14
Multiple Choice
Order the numbers from least to greatest: 54, −109, 0.3, −0.5
−109, −0.5, 0.3, 54
−0.5, −109, 0.3, 54
0.3, 54, −0.5, −109
15
Multiple Choice
Put the rational numbers in order from least to greatest.
-4.2 , -4 1/2 , -4 , 0 , 4
0 , -4 1/2 , -4.2 , 4 , -4
-4 1/2 , -4.2 , -4 , 0 , 4
-4 1/2 , -4.2 , -4 , 4 , 0
4 , 0 , -4 , -4.2 , -4 1/2
16
Draw
Order from least to greatest
0.4 , 2/11 , 17% , 0.25
17
Multiple Choice
Which list of values is ordered from GREATEST to LEAST?
51, 0.27, 114, 25%
0.27, 114, 51, 25%
0.27, 25%, 114, 51
114, 0.27, 51, 25%
114, 0.27, 25%, 51
18
Multiple Choice
0.35, ⅜, 42%, ⅘, 0.2
⅘, 42%, ⅜, 0.35, 0.2
⅜, 42%, ⅘, 0.2, 0.35
⅘, 0.35, ⅜, 42%, 0.2
0.2, 0.35, ⅜, 42% ⅘,
19
Multiple Choice
List the following numbers from least to greatest:
-64 , 3.5 , √27 , 6.666...
-64 , -1/2, 3.5, 6.666...
3.5 , -1/2 , 6.666..., -64
3.5, -64, -1/2, 6.666...
6.666, -64, -1/2, 3.5
20
Multiple Choice
Is the statement below correct?
Create a number line on your scratch paper to justify your answer.
“I know that 5 is greater than 3.5. So, −5 must be greater than -3.5.”
The statement is correct because 5 is greater than 3.5
The statement is correct because -5 is less than -3.5
The statement is incorrect because -5 is less than -3.5
The statement is correct because 5 is less than 3.5
21
Multiple Choice
Is the statement below correct?
Create a number line on your scratch paper to justify your answer.
“I know that 7 is greater than 4 1/2. So, −7 must be greater than -4 1/2.”
The statement is correct because 7 is greater than 4 1/2
The statement is incorrect because -7 is less than -4 1/2
The statement is correct because -7 is less than -4 1/2
The statement is correct because 7 is less than 4 1/2
22
Multiple Choice
Is the statement below correct?
Create a number line on your scratch paper to justify your answer.
“I know that 7 is greater than 4 1/2. So, −7 must be less than -4 1/2."
The statement is correct because 7 is greater than 4 1/2
The statement is incorrect because -7 is less than -4 1/2
The statement is correct because -7 is less than -4 1/2
The statement is correct because 7 is less than 4 1/2
23
Multiple Choice
Is the statement below correct?
Create a number line on your scratch paper to justify your answer.
“I know that 5 is greater than 3.5. So, −5 must be less than -3.5.”
The statement is correct because 5 is greater than 3.5
The statement is correct because -5 is less than -3.5
The statement is incorrect because -5 is less than -3.5
The statement is correct because 5 is less than 3.5
Ordering Rational Numbers
Convert all numbers to
the same form
Order from least to greatest
Decimal form is usually the easiest to compare
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