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## Expanded Form or Expanded Notation?

Before Texas adopted its new TEKS and before the common core became common across the US, place value instruction was generally presented differently that it is today.  Teachers all around the country have had to adjust to their new standards. One place where the...

## Base 10 Blocks in the Middle Grades

You may be familiar with base ten blocks as a tool for young learners to discover place value relationships, but did you know that there are uses for them with older students as well?   One way that students in fourth and fifth grade can use base ten blocks is...

## Why I will never use PEMDAS to teach order of operations

I remember sitting in my sixth grade math class years and years ago.  The teacher had a homemade poster on the wall that proclaimed “PEMDAS!”  We wrote a mnemonic in our notes to help us remember which order to perform the operations in our...

## Practice Modeling Integers with Games

Teaching integers can be really fun!  Using manipulatives and games is easy with this concept.  Try out this free game to help your students practice using algebra tiles to model integer meanings. This game should be used after students have already had some practice...