![]() ![]() And trust me, the time it takes a child to do this is a lot less than the time it takes me to explain it! They can now solve it by decomposing the 5 into 2 and 3, adding the 2 to the 8 to make 10, and then adding the remaining 3 to get 13. They know that a combination for 5 is 2 and 3. Say the student is now presented larger numbers, like 8 + 5. This is actually the foundation for learning basic facts, but it goes beyond that. Consider the following examples:Ī Kindergarten student uses number bracelets to find all the combinations for a given number. Ĭomposing and decomposing numbers became part of our instructional vocabulary after the Common Core State Standards for Mathematics (CCSSM) were adopted in 2010. It’s a skill that starts in Kindergarten and follows students throughout their mathematical career, and it’s something that should be present in your classroom on a daily basis. One of the key factors in reaching that goal is helping our students learn to compose and decompose numbers. ![]() Think about the ultimate goal of math instruction-students with strong skills and flexibility with numbers. So what does that have to do with math you might ask. Every four years, I’m blown away by the strength and flexibility of these athletes. Anybody else? I have to admit that I was not very flexible-I couldn’t do a smooth backward roll to save my life! That said, one of my favorite Olympic events is the gymnastics competition. As a young girl, I briefly took gymnastics lessons. ![]()
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