# Operations

## 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…

## Visualzing algebra using part/whole thinking

I recently presented at NCTM‘s regional conference in Seattle. The theme of the conference wasย Everyone Belongs Here. Here’s more on that from their website: The conference will explore instructional practices…

## 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…

## 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,…

## 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…

## 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…

## 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…

## Why Students Don’t Know Their Basic Math Facts and How to Help

If you teach 3rd grade, you know that some students come to your class not knowing their basic addition and subtraction facts. And in 4th and 5th grade, there are…

## Multi-Digit Computation Game

Computational fluency is still a goal for mathematics instruction. What’s changed is how we approach computation. We have shifted from teaching one methodโtypically the standard algorithmโto a strategy-based approach. Today,…