![]() Many teachers use number bonds, whether they be round or square. For example, what are the different combinations of numbers that can used to show ten? Use A Variety of Activities When want to start with a large number and break it down or up to see the many numbers that can be use to create or compose that number. To teach composing numbers is to demonstrate how taking a couple numbers or a set of numbers can create a new number. There is a post on “Number Talks” here if you want to read more! Composing and decomposing is part of those relationships. Students have mini white board and we spend time all year looking at the relationships of numbers. I teach it during my “number talks” time, which is at the beginning of math time. As you begin to teach number sense, composing and decomposing numbers should be a natural fit to your unit. Numbers are about relationships, patterns, sets, and if students can see the relationships in numbers, composing and decomposing should come easily. But what does that mean? Is it really important in the younger grades? Let’s find out! The Foundation of Composing & Decomposing Numbers ![]() ![]() In many of our curriculum standards, teachers are required to teach composing and decomposing numbers. ![]()
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