Loading [MathJax]/extensions/TeX/cancel.js
header hamburger icon
header search icon

audio read-through Recognizing Zero and One

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

Special Properties of $\,0\,$ and $\,1$

Note from Dr. Burns (the website creator)
Welcome—so glad you're here!

My sister and I have finished our house-clean-out adventure! Here are photos of the house (30 Mt Laurel Way, Monterey, MA). Click on any photo for captions. It should be on the MLS soon.

Want to say hello? Sign my guestbook!

Examples

Decide if the given number is $\,0\,,$ $\,1\,,$ or a different number:

$\displaystyle\frac13 + (-\frac 13)$ Answer: $\,0\,$
$\displaystyle 0\cdot\frac 13$ Answer: $\,0\,$
$\displaystyle -2\cdot \frac{-1}2$ Answer: $\,1\,$
$\displaystyle\frac{1/7}{1/7}$ Answer: $\,1\,$
$\displaystyle 3\bigl(-\frac13\bigr)$ Answer: not $\,0\,,$ and not $\,1$
Master the ideas from this section by practicing below:

down arrow icon
When you're done practicing, move on to:

Writing Fractions in Simplest Form
right arrow icon

Practice

Click ‘New problem’ to begin!
Consider the number:
To get a randomly-generated practice problem, click the ‘New problem’ button above.

Select the correct radio button below, and then press ‘Enter’ or ‘Check your answer’.
This number is:
0
1
not 0, and not 1
Want to time yourself? (Algebra Pinball)
Step 2: Click ‘Start timing’ below
    
Desired # problems:
(an even number, please)
Extra work-space?
(units are pixels):