Seeing Structure in Expressions Week 2- Elementary Connections - How the building blocks of these standards are introduced in elementary school

CCSS.MATH.CONTENT.HSA.SSE.A.1.A: Interpret parts of an expression, such as terms, factors, and coefficients. CCSS.MATH.CONTENT.HSA.SSE.A.2: Use the structure of an expression to identify ways to rewrite it.

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Connected Skill 1: The Distributive Property.

Click on the following images to find an example video, a manipulative/ visual representation that can be used when practicing with this skill, and a free practice resource that highlights the ‘whY.’

Example Video: The Distributive Property using Area Models

Click on the image to watch a LearnZillion video on applying the distributive property by using area models.

Visual Model: Dreambox Multiplication with Open Arrays

Click on the image to open up a teacher tool from Dreambox for applying the distributive property using area models and open arrays.

Free Practice Resource: Dreambox- Complete Multiplication with Open Arrays Lesson

Click on the image to open to the complete Dreambox lesson on using the Multiplication with Open Areas teacher tool.

(While most Dreambox features require a subscription, all of the resources on the Dreambox Teacher Tools website are free.)


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Connected Skill 2: Skip Counting

Click on the following images to find an example video, a manipulative/ visual representation that can be used when practicing with this skill, and a free practice resource that highlights the ‘whY.’

Example Video: Counting Objects using Skip Counting

Click on the image to watch a LearnZillion video on using skip counting to count objects in a groups.

Manipulative: ABCya- Skip Counting Number Bubbles

Click on the image to open the Skip Counting Number Bubbles game from ABCya. Students can practice skip counting by 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s or 10s.

Free Practice Resource: NCTM- Learning about Number Relationships

Click on the image to open a free practice resource and lesson plan from NCTM where students explore the relationships between numbers using a virtual calculator tool.


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Connected Skill 3: The Commutative Property

Click on the following images to find an example video, a manipulative/ visual representation that can be used when practicing with this skill, and a free practice resource that highlights the ‘whY.’

Example Video: Explain Addition using the Commutative and Associative Properties

Click on the image to watch a LearnZillion video on how addition can be solved and explained using both the commutative and associative properties.

Lesson and Video: Learnzillion- Using Addition and Subtraction to Solve for an Unknown

Click on the image to open the Learnzillion video lesson and associated materials for solving for an unknown in an addition or subtraction equation by using related facts and the properties of addition and subtraction.

Free Practice Resource: Illustrative Math- Commutative Property Dominoes

Click on the image to open a PDF, including directions, for a commutative property practice game using dominoes to reinforce the visual aspect.


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Connected Skill 4: Making Tens

Click on the following images to find an example video, a manipulative/ visual representation that can be used when practicing with this skill, and a free practice resource that highlights the ‘whY.’

Example Video: Adding Numbers within 20 by Making a Ten

Click on the image to watch a LearnZillion video on using the kindergarten OA.4 skill of making a ten in order to solve addition equations within 20.

Visual Model: Identifying Numbers on a Ten Frame

Click on the image to open a teacher tool from Dreambox for identifying numbers on a ten frame.

Free Practice Resource: Dreambox Lesson on Making Ten

Click on the image to open a PDF of a Dreambox lesson on matching pairs of numbers to make ten. This lesson includes a teacher tool interactive game.

(While most Dreambox features require a subscription, all of the resources on the Dreambox Teacher Tools website are free.)


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Connected Skill 5: Addition and Subtraction on a Number Line

Click on the following images to find an example video, a manipulative/ visual representation that can be used when practicing with this skill, and a free practice resource that highlights the ‘whY.’

Example Video: Adding Numbers using a Number Line

Click on the image to open a LearnZillion video on how to use an area model to multiply polynomials.

Visual Model: Addition on a Number Line using Landmark Numbers

Click on the image to open a teacher tool from Dreambox for adding numbers using an open number line. This tool emphasizes using a landmark number to help add more efficiently.

Free Practice Resource: Dreambox Lesson- Using Landmark Numbers to Add on the Open Number Line

Click on the image to open to the complete Dreambox lesson on for using landmark numbers to help with adding on a number line..

(While most Dreambox features require a subscription, all of the resources on the Dreambox Teacher Tools website are free.)