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## Flexibility with Place Value

Just a quick post about place value and how important it is for students to be able to decompose numbers by place value in different ways. Here’s what I mean. Typically, we think of 34 as 3 tens and 4 ones. That’s certainly true, but it can also be...

## Easy 3- and 4-Digit Place Value Game

Looking for an easy, yet powerful, 3- and 4-digit place value game? Well, I’ve got something for you today! Build the Biggest is my version of a well-known place value game. Players roll a number cube and must decide where to place each digit in their number, or...

## Concrete Support for Learning

This week, I’ve been working on ten more and ten less with my firsties. The purpose of ten more/ten less and one more/one less activities is really to develop an understanding of place value. When we find the number that is ten more or ten less, only the tens...

## Using Precise Mathematical Language: Place Value

If we want students to use precise mathematical language (and we do!), then we have to be sure we model what that sounds like. Let’s look at some shortcuts we often take in our own language and see how they undermine our goal of having students deeply understand...

## Triple Digit Dare: Engaging Place Value Card Game

Last week I had the extreme pleasure of co-presenting the ERG Guided Math Institute with Laney Sammons in Winston-Salem, North Carolina. We spent four wonderful days with over 100 educators from around the country and even Canada! It was a real pleasure to meet and...

## Flexibility with Place Value

New standards call for an increased emphasis on understanding place value, rather than just, for example, identifying the digit in a certain place value position (eg., In the number 345, what digit is in the hundreds place?).  In Texas, both the 1st and 2nd grade TEKS...