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base ten

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Expanded form 2011-10-12
From Chris:
Write this number in expanded form
4 326 180 501

Thanks!!!

Answered by Penny Nom.
Converting from base 10 to base 5 2003-09-10
From Susy:

My son, who is 9 in grade 5 has been asked to convert base 10 numerals into base 5.

His first question of:

24(10) he has calculated to be 4x5 + 4x1 = 44 (5)

The next question however is the tricky one. We know the answer is supposed to be 100 but we find it difficult to get this in the way he understands it.

25 (10) = _________________ 100 (5)

Can you help us figure out how we reach the answer.


Answered by Claude Tardif and Penny Nom.
Converting to base 10 2003-08-28
From Karen:
My son is in 5th grade. He is learning how to convert numbers from base 2 to base 10, and base 5 to base 10. Can you explain it to me in the simplest terms?
Answered by Penny Nom.
Place Value 1999-01-05
From Reg:
I work in a Section 27 classroom with various grades. I am looking for assistance on how to deliver a lesson on place value:decimal numbers keeping in mind that they need to see it (visual) to comprehend. I am looking for grade 4-6 level.
Answered by Jack LeSage.
 
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