## Unitizing? Yes! It’s an Important Big Math Idea

Unitizing is not only a mathematical term, but it’s also a business term.  Have you ever wondered when businesses ship hundreds of boxes, how do they keep track? By unitizing!  The shipping company will unitize…

## 7 Helpful Posts for Teaching Multiplication

Teaching multiplication can take many forms.  Teachers are always finding new and engaging ways of teaching multiplication.  Whether it be using manipulatives, arrays, songs, tips or strategies, there is no one way of teaching multiplication.…

## How to Use the Compensation Strategy for Addition

What are some of the strategies you teach your students or children to add two and three digit numbers?  Do you use compensation?  Or do you begin teaching with the standard algorithm?  Teaching students to…

## Making a Ten is an Important MUST HAVE Mental Math Strategy

Just the other day, I taught a lesson about making a TEN to add sums greater than ten.  For example, with 8 + 6, you could increase the 8 to a 10 and reduce the 6…

Most teachers report that students struggle with multiplication fluency.  In fact, the problem is pervasive enough that even my son’s eighth-grade math teacher said the same thing at his Back To School Night presentation to the…

## Place Value Doesn’t Have to be Boring!

Teaching second grade has given me a much better understanding of how second graders are prepared for third grade.  If you examine the Common Core State Standards for Math, you will see that place value…

## Save Time, Money and Your Sanity with Teachers Pay Teachers

What is it that teachers need more of?  Time and money!  There’s never enough time in a day to teach everything we need to teach nor is there sufficient time in the day to prepare…

## How to Teach the Area of Irregular Shapes

My class has been learning to find the area of shapes for a few weeks now.  But now it was time to move on to find the area of irregular shapes.  So far, my students…

## Comparing Fractions Using Google Slides and Virtual Manipulatives

Now that my students were familiar with comparing and ordering fractions, the next step was to have them comparing fractions using Google Slides.  It is one thing to be able to show how to compare…

## Comparing Fractions with Manipulatives and Math Talk

In  Part 1 of How to Compare Fractions, I explained how I used fraction strips to have students explore fraction sizes.  Comparing fractions and their sizes visually helped my students establish a benchmark fraction of…

## Compare Fractions in Simple Ways with Manipulatives

Before I started teaching my third graders to compare fractions, I wanted to assess what they already knew about fractions.   True story.   I asked my students to write in their journal and complete this sentence:…

## Distributive Property of Multiplication – How To Break It Down

Did you ever think that as a third-grade teacher or even as an elementary teacher you would be teaching the Distributive Property of Multiplication?  When I started teaching over 30 years ago, there weren’t even…

## Learning Multiplication is More than Memorization!

I have a vivid memory of learning multiplication in third grade.  My teacher, Mrs. Bowman, drew three circles on the chalkboard.  Then she put five milk bottles in each one.  She said this is 3…

## Why the Properties of Addition ARE Useful to Students

When my oldest son was in seventh grade, he had trouble with a problem in his 7th-grade math book.  It concerned one of the Properties of Addition.  I couldn’t believe he didn’t know the answer!…

## 3 Effective Ways to Teach Geometry Vocabulary

If you’ve ever taken geometry from elementary school to college, you know that there’s a lot of geometry vocabulary that must be learned.  Think about all the geometry vocabulary for the names of the shapes,…