RECOGNIZING ZERO AND ONE
SPECIAL PROPERTIES OF $\,0\,$ and $\,1$

Be on the lookout for these special names for zero and one!

EXAMPLES:

Decide if the given number is [beautiful math coming... please be patient] $\,0\,$, $\,1\,$, or a different number:

[beautiful math coming... please be patient] $\displaystyle\frac13 + (-\frac 13)$ Answer: $\,0\,$
[beautiful math coming... please be patient] $\displaystyle 0\cdot\frac 13$ Answer: $\,0\,$
[beautiful math coming... please be patient] $\displaystyle -2\cdot \frac{-1}2$ Answer: $\,1\,$
[beautiful math coming... please be patient] $\displaystyle\frac{1/7}{1/7}$ Answer: $\,1\,$
[beautiful math coming... please be patient] $\displaystyle 3\bigl(-\frac13\bigr)$ Answer: not $\,0\,$, and not $\,1$
Master the ideas from this section
by practicing the exercise at the bottom of this page.

When you're done practicing, move on to:
Writing Fractions in Simplest Form

 
 
Consider the number:
This number is:


    
(an even number, please)