Download Rational Numbers NOTES.notebook

Rational Numbers NOTES.notebook
March 23, 2016
RATIONAL NUMBERS ON A NUMBER LINE
A rational number can be positive or negative, and it can be
written in the form a/b where b does NOT equal 0.
Rational numbers include: integers, fractions, mixed numbers,
percents, terminating decimals and repeating decimals!
EXAMPLES: 8%, 1/2, 0.35, -7, 1.6, 14
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Plot 3/5 and -2/5 on a number line.
Step #1 - Determine how much each mark represents - look at
the denominator to determine what value to use.
Step #2 - Label the number line.
Step #3 - Plot and label the points on the number line.
Plot -0.6 & 0.3 on a number line.
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Rational Numbers NOTES.notebook
March 23, 2016
ORDERING & COMPARING RATIONAL NUMBERS
When ordering or comparing rational numbers, there are a few
steps you should go through to get your answer.
Step #1 - _________________ the numbers on a number line.
Step #2 - Compare the positions of the numbers (to the
_______________ the numbers are _______________, and to
the _________________ the numbers are _______________).
Step #3 - If you are comparing the numbers, use the appropriate
symbol (<, > or =) and write the solution OR
Step #3 - If you are ordering the numbers, write them in order.
The least number will be the furthest _____________________
on the number line, and the greatest will be furthest __________
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At midnight, the temperature at the ski resort was -9 5/8 deg. F.
At sunrise, the temperature was -2.8 deg. F. Use symbols to
compare the temperatures.
__________________________
When was it warmer?
at midnight OR at sunrise
Order -1 3/4, 2.6 and -4.3 from least to greatest.
_____ , _____ , _____
COMPARE THE RATIONAL NUMBERS (<, >, =). Draw TWO number
lines on top of one another to compare the numbers.
1) - 5 3/4 _____ -5.3
2)
-2.7 _____ -2 5/6
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Rational Numbers NOTES.notebook
March 23, 2016
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