Student Achievement Partners
Illustrative Mathematics: Three Composing/decomposing Problems [Pdf]
In this grade 2 lesson, young scholars use base ten blocks to compose and decompose numbers.
Study Pad
Splash Learn: Decompose Numbers (11 to 19) Into a Ten and a Few Ones
[Free Registration/Login Required] Using ten frames and number sentences, students will practice decomposing numbers into tens and ones.
Other
Nearpod: Composing & Decomposing Numbers 11 19
In the lesson on composing and decomposing numbers, students will use number bonds and ten frames to help them compose and decompose numbers 11-19.
Better Lesson
Better Lesson: Ways to Make 10 a Lesson on Decomposing
Students will learn what it means to represent a number in different ways and will begin to explore decomposing numbers. Included is a detailed lesson plan, link to an online game, worksheet, center ideas, and a "Ways to Make 10" chart.
Other
Nearpod: Decomposing Numbers to 10
In the lesson on decomposing numbers, students will use number bonds to help them decompose numbers up to 10. They will also review key vocabulary terms, like decompose, number bonds, parts, and whole.
Illustrative Mathematics
Illustrative Mathematics: 2.nbt Three Composing/decomposing Problems
In this lesson plan students use base ten blocks to explore place value.
Starfall
Starfall: Compose & Decompose Numbers
This learning game focuses on adding tens and ones to fill candy orders and deliver them.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Analyzing, Comparing, and Composing Shapes
A guide to support parents as they work with their students in analyzing, comparing, and composing shapes.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Decompose a Factor [Pdf]
Students will learn how to determine the product by decomposing the factors.
Illustrative Mathematics
Illustrative Mathematics: What Makes a Teen Number?
Students will learn about teen numbers by understanding the base-ten structure of teen numbers. They will fill-in a 10-frame and a blank equation as they complete the activity. Worksheet included.
NumberNut
Number Nut: Subtraction: Two Digit Subtraction With Borrowing
A quiz for practicing subtraction with two-digit numbers where there is regrouping.
NumberNut
Number Nut: Subtraction: Borrowing
Explains the concept of 'borrowing' in subtraction, also known as regrouping or decomposing numbers.
ClassFlow
Class Flow: Breaking 10 Apart
[Free Registration/Login Required] This is an interactive lesson that encourages students to move around. It focuses on the students being able to recognize that numbers are the same even if you break them apart into groups. This lesson...
Illustrative Mathematics
Illustrative Mathematics: k.oa What's Missing?
Students will practice composing and decomposing numbers with this quick game. Show the student 6 counters. Ask the student to close his/her eyes. Hide some of the counters under a sheet of heavy paper. When the student opens his/her...
Other
The Math Learning Center: Pattern Shapes
Students use pattern shapes to explore geometry and fractions, creating their own designs, or filling in outlines. As they work with the shapes students explore geometric relationships, think about angles, investigate symmetry, and...
NumberNut
Number Nut: Subtraction: Three Digit Subtraction With Borrowing
A quiz for practicing subtraction with three-digit numbers where there is regrouping.
Alabama Learning Exchange
Alex: Fishy Addition!
In this activity, learners will use manipulatives to act out and solve simple addition problems.