# Blog

## Difference from 100 Math Game

Making 100 is nearly as important a skill as making 10, and the two skills are clearly related. This Difference from 100 math game will have your students composing 100…

## Dodecahedron craftivity

Are you looking for a fun end-of-year project? Or a creative way for students to reflect on a math unit? Enter the dodecahedron! *This post contains affiliate links, which simply…

## Modeling Division

It’s impossible to overstate the importance of the third grade math curriculum. Students get their first real exposure to multiplication, division, and fractionsโall critical math ideas. We must approach instruction…

## 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…