Thursday
May 28, 2015

Homework Help: Math

Posted by James on Saturday, March 10, 2012 at 11:22pm.

This problem pertains to Cuisenaire Rods:

1-white
2-red
3-green
4-purple
5-yellow
6-dark green
7-black
8-brown
9-blue
10-orange

Question:

(a) If an all-brown train is equal in length to an all-orange train, what can be said about the number of brown rods compared to the number of orange rods?

(b) If a number can be represented by an all-red train, and an all-black train, it has at least eight factors. Name these factors.

(c) What is the smallest number of red rods for which an all-red train is equal in length to an all-blue train?

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