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.
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.
TED Talks
Ted: Ted Ed: One Is One, or Is It?
This animated video explores the basic unit of one and its different meanings depending on place value. [3:55]
Sophia Learning
Sophia:multiplying With Decomposition
The video lesson examines multiplying using decomposition. Detailed examples investigate the multiplication technique.
![K 5 Math Teaching Resources: Decompose a Factor [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Decompose a Factor [Pdf] Activity")
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?
Learners 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.
Khan Academy
Khan Academy: Decompose Fractions With Denominators of 100
In this exercise, students practice decomposing fractions with denominators of 100. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Decompose Figures to Find Volume
Find the volume of irregular 3D figures by dividing the figures into rectangular prisms and finding the volume of each part. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Better Lesson
Better Lesson: Fun With Four: Decomposing to Known Factors of 1, 2, and 5
Third graders act as problem solvers to take an unknown fact and solve it by breaking it down into pieces that are known.
Other
Nearpod: Decomposing Numbers to 10
In the lesson plan 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.
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.
NumberNut
Number Nut: Subtraction: Borrowing
Explains the concept of 'borrowing' in subtraction, also known as regrouping or decomposing numbers.
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: Three Digit Subtraction With Borrowing
A quiz for practicing subtraction with three-digit numbers where there is regrouping.
NumberNut
Number Nut: Addition: Carrying
Explains how to carry when regrouping in addition, with related activities for skill practice.
Khan Academy
Khan Academy: Decompose Angles
Find an angle's measure when given the measures of its parts. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.