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## Exploring Equality and Composing Numbers

I’ve been working with my Firsties on the following TEK: 1.2(A) recognize instantly the quantity of structured arrangements Although it is not mentioned in the TEK, the mathematical word for this skill is subitizing. The dot patterns on dice and dominoes are...

## The Evolution of a Number Bond

Last week I wrote about the importance of number bonds and ways to develop an understanding of number bonds in young children.  Today, I want to take that idea a step farther and make a case for just how important the concept of composing and decomposing is. According...

## Target 20: A Math Game of Strategy and Computation

I hope you all are enjoying your Thanksgiving break, and I trust you are not camped out outside of Walmart waiting for Black Friday! Tonight I have a little computation freebie called Target 20.  It’s another computation dice game that involves strategy....

## Who’s Doing the Talking? Number Talks

So, I’m starting out today with a pop quiz.  Ha ha.  What do the following number sentences have in common?  NO calculators! They all equal 120, don’t they?  Do you see why?  Each of the expressions is really just another way to write 15 x 8.  The numbers...

## Anchor Charts for Addition and Subtraction Strategies

Sssssssh!  Keisha doesn’t know that I sneaked into her room and took pictures of a bunch of her anchor charts while she was at lunch yesterday.  But she owed me, right? 🙂 Now, I just want to say that as pretty lovely stunning as Keisha’s anchor charts are,...

## More Addition on a Hundred Chart

A friend recently explained to me how her daughter was showing her thinking for adding on a hundred chart, and I was intrigued. I asked her to send me a picture: I love how the kids are showing their hundred chart thinking without the actual hundred chart. Notice also...