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Ordering Numbers on an Open Number Line
An open number line—one that isn’t labeled with numbers—is a great tool with many applications in the math classroom. The power of an open number line is that you write in only the numbers you need....
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Place Value Models for Young Children
To truly understand place value, students need to not only identify the place, or position, a digit is sitting in (e.g., the 4 is in the tens place or there are 4 tens), but they also need to...
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Ten Flashing Fireflies: Booklet for the Combinations of Ten
Math practice should be engaging for students, and what could be more engaging than connecting math to a charming children’s book? And while we want math to be engaging, let’s not forget that the goal...
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Modeling Place Value Relationships
They sometimes say that math is the science of patterns, and maybe nowhere is that more apparent than in our place value system. Unfortunately, we often teach place value at a very surface level and we...
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Fact Families vs Number Bonds
For many years, primary teachers taught fact families. If you look carefully at either the CCSSM or the Texas state standards, the TEKS, you will not see fact families mentioned at all. Why is that?...
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Understanding CRA
If you teach elementary math, then you have probably heard plenty about the concrete, representational, abstract sequence of instruction. It’s usually shortened to CRA. The idea is that concrete and...
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Online Multiplication Fact Practice Game
Are you looking for an engaging way for your students to practice their multiplication facts? Well, of course you are! Check out this engaging multiplication fact practice game! Math Lines, from ABCya,...
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The Standard Algorithm for Multidigit Addition and Subtraction in 3 Easy Steps
Are you a 2nd Grade teacher who loses sleep over teaching the standard algorithm for multidigit addition and subtraction? Or a 3rd or 4th grade teacher trying to remediate students who can’t...
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Visualzing algebra using part/whole thinking
I recently presented at NCTM‘s regional conference in Seattle. The theme of the conference was Everyone Belongs Here. Here’s more on that from their website: The conference will explore instructional...
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Kindergarten Number Combinations and Fact Fluency
In the landscape of early childhood education, the significance of learning number combinations through 10 in kindergarten cannot be overstated. While it might seem like just one of many skills taught...
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