Composing and decomposing numbers

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Lisa Elaine Peters - Mrs. Peters’ Class on Instagram: "Part part whole! (Number bonds/ composing & decomposing) -hands on and adding movement! Comment PART for magnetic number bond link! #kindermath #classroomsetup #classroomideas #classroommanagement #movementintheclassroom #fullbodylearning #math #elementaryschool #mathematics #homeschool #homeschooling #homeschoolmath #kindergartenteacher #kindergarten #teachingkids"

These number decomposition sheets are perfect for practicing different number combinations - and there's so many to choose from!

But I'm back today and blogging about one of my favorite decomposing numbers math games for decomposing tens and ones with 2-digit numbers. We'll talk about

Day 13 for me here. Yes... 13 days of school already down. I mean seriously, it literally seems like the first day was yesterday. It's already flying by! We all know down in Kinder-World that the e

Learn addition and subtraction concepts by composing and decomposing the number 10 with this jelly bean Easter ten frames math activity.

Free decomposing numbers into ten and some ones activity. Students pick a number card, build the number using objects and write an equation or number sentence. This is a perfect math center activity!

Five easy ways to teach composing numbers (and decomposing numbers too) with what you're already doing in the kindergarten classroom.

FREE Frog Decomposing within 5. Practice decomposing 5 by putting some frogs in the pond and some frogs not in the pond.

Making a 10 to Add is a great math strategy to help students mentally add bigger numbers. It's a skill I picked up somewhere along the way i...