math and science education

Zoe's Zero

(adding zero)

Zoe’s zero zipped and zoomed,
Rolled around her red-walled room...
zero running
Zoe’s zero screamed a shout,
From her light-green zero's snout!
What did Zoe’s zero say?
Here's a math tip for today!
Adding makes most numbers grow,
But never when you add zero!
Add a zero? 
That’s my name!
Your number always stays the same!

read Mr. R.'s next adding zeroes poem

Math Challenges
If you have $6, and get $0 more, how many dollars will you have?
What happens if you add 0 to 10 two times? What number will you end up with?
If adding a zero doesn't change a number, what do you think happens when you subtract a zero? Why?
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