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.
Better Lesson
Better Lesson: Ways to Make 10 a Lesson on Decomposing
Young scholars 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"...
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.
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.
Student Achievement Partners
Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]
Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.
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.
Khan Academy
Khan Academy: Multiply 2 Digits Numbers With Area Models
Use an area model to decompose factors and multiply. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: 2 Digit Addition Split [Pdf]
Students will decompose double digit numbers to add numbers together.
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...
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: Subtraction Split [Pdf]
Students draw a card then decompose the given numbers before subtracting them.
Better Lesson
Better Lesson: Multiply and Divide by 10
Counting by 10's is easy for students of this age. Knowing that base 10 can be used to help multiply and divide in the higher numbers by decomposing is critical. This lesson sets the base for future work.
Khan Academy
Khan Academy: Multiply 2 , 3 , and 4 Digits by 1 Digit With Area Models
Use an area model to decompose the larger factor and multiply. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
West Contra Costa Usd: Volume: A Foundation in Unit Cubes [Pdf]
A very detailed lesson on determining the volume of rectangular prisms, teaching young scholars how to derive the formula for volume, and to use it successfully. Plenty of examples, student work, and assessment options.