by Chris | Oct 17, 2023 | computation, differentiation, elementary math, multiplication

When I first started teaching, way back in the year 2000, the world was a very different place. One of the first math teaching tools I found in my special ed classroom back then was a giant stack of punch out fact triangles. There were addition/ subtraction and...
by Chris | Jan 18, 2021 | arrays, multiplication

What are array cards?Array flash cards are just like regular flash cards that have the regular “times table” on one side and the product or “answer” on the back. The difference is that array cards also have an array showing the factors as rows...
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