I spend a lot of time teaching Place Value. Typically we focus on ones, tens, hundreds, and thousands in 2-3rd grade. But I like to challenge them to go beyond. So they made a ten thousand bar (see my … [Read more...]
Rounding and Number Lines
Teaching rounding can be intimidating. But I have found that if I teach rounding in conjunction with number lines and if I precede it with place value, my learners understand the concept and rounding … [Read more...]
Place Value – What Comes Next?
I spend almost four weeks on place value with my 2-3rd grade class. Having a deep understanding of place value is a crucial math foundation, so it's worth it to me to take this long. Every year, I … [Read more...]
What is an array?
Arrays are a big theme in the new Common Core standards, starting in 2nd grade (2.OA.4 - Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 … [Read more...]
Place Value Assessment for Primary Learners
I am joining a group of excellent math teachers for a blog hop series called "Fly on the math teacher's wall." The purpose is for each of use to spend time talking about misconceptions, issues, and … [Read more...]
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