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Decomposing numbers

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18 Hands-on activities for decomposing teen numbers into ten and some ones. Includes a counting book, practice worksheets and a digital PowerPoint game.

18 Hands-on activities for decomposing teen numbers into ten and some ones. Includes a counting book, practice worksheets and a digital PowerPoint game.

I feel like I haven't posted about math in so long!   I have been teaching math, I promise! ;)     Last week we started decomposing numbers...

I feel like I haven't posted about math in so long! I have been teaching math, I promise! ;) Last week we started decomposing numbers. I started by telling them the learning goal "We are learning to decompose numbers" and then explained that decompose means to take apart. Our success criteria is "I know I can do this when I can show how 1 number can be broken apart into smaller numbers." Then I demonstrated what I meant by doing a shake & spill activity. On the first day we decomposed the…

Decomposing Numbers – The Kindergarten Smorgasboard

Decomposing numbers allows kids to understand making numbers in different ways. It helps students with place value, addition, and writing equations as well! Plus, who doesn’t like “ri…

Teaching your students about friends of 5 is a great way to start off a unit on addition and subtraction. I use this as a first lesson to help my students really understand how to compose and decompose numbers.

Friends of 5 is one of the first skills that we work on during our addition and subtraction unit. It is an important skill that improves number sense and exposes students to decomposing numbers into pairs. So we've compiled a list of activities, resources, and videos to help you teach friends of 5 in your classroom!

Composing and Decomposing Numbers in Pre-K and Kindergarten | The Excellent Educator

Composing and decomposing numbers is a mathematical skill that should be introduced in Pre-K and further elaborated on in Kindergarten. It involves helping children break numbers down into sub-parts. A child who can compose and decompose numbers understands that 2…

Learn how to use implement 10 frames in your classroom to help your students decompose numbers. Free 10 frame templates are included. This blog post is perfect for kindergarten math and 1st grade math. FREE math printables are included.

Learn how to use implement 10 frames in your classroom to help your students decompose numbers. Free 10 frame templates are included. This blog post is perfect for kindergarten math and 1st grade math. FREE math printables are included.

Great idea for addition and even subtraction word problems, could probably use in various forms K - 2.   Confessions of a Kinder Teacher!: Gumball Math

My kiddos and I have been decomposing numbers 1-10 for a while now as well as finding two amounts that put together make 10. (K.OA.3-decompose numbers less tan or equal to 10 into pairs in more than one way AND K.OA.4-for any number from 1 to 9, find the number that makes 10 when added to the given number) We have not been using equations with with + and = signs but we have been using the formula ____ red and ____ yellow make 10 (or whatever the said amount is). My kiddo's had been working…

Learning to compose and decompose numbers is an important early math skill that has implications for high levels of math. Learn how we do it in our class.

Learning to compose and decompose numbers is an important early math skill that has implications for high levels of math. Learn how we do it in our class.

number bonds, decomposing, adding, numbers 1-10, first grade, common core math, first grade math

Decomposing numbers, aka number bonds, are a hot topic now that common core are our standards. Here are some ideas to use in 1st grade.