Texas Instruments TI-34 MultiView Manuel Page 34

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24 TI-34 MultiView: A Guide For Teachers © 2007 TEXAS INSTRUMENTS INCORPORATED
8. A decimal number is called a
repeating decimal
if it consists of a number or set of
numbers that keep repeating in a regular pattern. Did you see a repeating decimal in
your work? If so, write an example of a repeating decimal. Ask your teacher for the
correct notation.
9. A decimal number is called a
terminating decimal
if the decimal representation becomes
all zeros after a certain number of digits. Did you see a terminating decimal is your work
above? If so, write an example of a terminating decimal. Ask your teacher for the correct
notation.
10. Can you tell when a fraction will have a terminating decimal representation? Can you
tell when a fraction will have a repeating decimal representation? Investigate to find out!
Fill in the following table for the clue to this puzzle! These are the denominators of the
fractions in this activity. Write a rule about when a fraction will be a terminating decimal
or a repeating decimal.
Denominator Prime
factorization
Did the
fractions
terminate?
2
4
5
6
8
9
11
25
Next stop — fraction
terminal
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