# Composing & Decomposing

## Number of the Day with Ten Frames

One of the perks of being a math instructional coach is that you get to visit classrooms on a daily basis. On one of those visits, I observed this 1st-grade…

## Composing and Decomposing Numbers

As a young girl, I briefly took gymnastics lessons. Anybody else? I have to admit that I was not very flexibleโI couldn’t do a smooth backward roll to save my…

## FREEBIE for Composing and Decomposing Numbers

Composing and decomposing numbers is critical learning for Kindergarteners and 1st Graders. This is something that needs to be practiced all year long as students master the combinations first for…

## Roll and Cover: Combinations for Ten Game

Oh, how I love easy games that are engaging for the kiddos and require low prep time! Especially when those games develop critical skills, like composing and decomposing numbers and…

## Easy Games for Making 5

One of the most critical relationships that young children can develop as they begin their mathematical journey is the idea that numbers can be composed and decomposed in different ways….

## Kindergarten Essentials: Combinations for Numbers Through 10

What does Kindergarten math look like? What are the essential skills that every Kindergarten student should master prior to Grade 1? Believe it or not, fact fluency starts in Kindergarten…

## Math Activities That Do Double Duty

One criticism I hear again and again is that there are too many standards to “cover”. I agree that if you just look at the volume of standards for each…

## Online Game for Composing Numbers

As we wind down to the end of the school year, I’ve been looking for ways to keep my students engaged while still ensuring that each lesson includes worthwhile learning….

## What’s My Number? Differentiating in K-1

In her book How Children Learn Number Concepts*, Kathy Richardson devotes an entire chapter to composing and decomposing numbers. It may surprise you that the title of the chapter is…