“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

Partitioning is a useful way of breaking big numbers up into smaller pieces, so they are easier to work with. Isn’t that right, guys? Take the number 23, let’s break it down. Not like that, like this… ...

Background: Most Grade 3 teachers experience challenges when teaching addition and subtraction of word problems in a multilingual classroom that is being taught in the vernacular language. Objectives: ...

Ways to break apart numbers to solve addition & subtraction equations in a fact family. In this lesson, Julia reviews the ways to make 10 and how we can use these ways to break apart numbers to solve ...

Students practice addition and subtraction problems without regrouping. In this lesson, students practice addition and subtraction problems without regrouping using base-10 block manipulatives and ...