These are the resources that support this Florida Standard.
MAFS.1.OA.2.3: Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
There are 154 resources.| Title | Description | Thumbnail Image | Curriculum Topics |
|---|---|---|---|
Math Video Definition 5--Addition and Subtraction Concepts--Addition Sentence (Spanish Audio) |
Math Video Definition 5--Addition and Subtraction Concepts--Addition Sentence (Spanish Audio) This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. These videos have Spanish audio. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 50--Addition and Subtraction Concepts--Word Problem |
Math Video Definition 50--Addition and Subtraction Concepts--Word Problem This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 50--Addition and Subtraction Concepts--Word Problem (Spanish Audio) |
Math Video Definition 50--Addition and Subtraction Concepts--Word Problem (Spanish Audio) This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. These videos have Spanish audio. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 6--Addition and Subtraction Concepts--Addition Strategy |
Math Video Definition 6--Addition and Subtraction Concepts--Addition Strategy This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 6--Addition and Subtraction Concepts--Addition Strategy (Spanish Audio) |
Math Video Definition 6--Addition and Subtraction Concepts--Addition Strategy (Spanish Audio) This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. These videos have Spanish audio. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 7--Addition and Subtraction Concepts--Associative Property |
Math Video Definition 7--Addition and Subtraction Concepts--Associative Property This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 7--Addition and Subtraction Concepts--Associative Property (Spanish Audio) |
Math Video Definition 7--Addition and Subtraction Concepts--Associative Property (Spanish Audio) This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. These videos have Spanish audio. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 8--Addition and Subtraction Concepts--Borrowing |
Math Video Definition 8--Addition and Subtraction Concepts--Borrowing This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 8--Addition and Subtraction Concepts--Borrowing (Spanish Audio) |
Math Video Definition 8--Addition and Subtraction Concepts--Borrowing (Spanish Audio) This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. These videos have Spanish audio. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 9--Addition and Subtraction Concepts--Carry Over |
Math Video Definition 9--Addition and Subtraction Concepts--Carry Over This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Math Video Definition 9--Addition and Subtraction Concepts--Carry Over (Spanish Audio) |
Math Video Definition 9--Addition and Subtraction Concepts--Carry Over (Spanish Audio) This is part of a collection of math video definitions related to the topics of Addition and Subtraction, ideal for use in an early elementary classroom. These videos have Spanish audio. Note: The download is an MP4 video. |
|
Addition Expressions and Equations |
Tutorial: Visual Models for Equations |
Tutorial: Visual Models for Equations
Explore visual models for equations with this interactive. |
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Addition Expressions and Equations, Subtraction Expressions and Equations and Applications of Equations and Inequalities |
Video Transcript: Counting and Addition |
Video Transcript: Counting and Addition
This is the transcript to the video entitled "Video Tutorial: Counting and Addition." |
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Addition Facts to 25 and Counting |
Video Transcript: Counting and Subtraction |
Video Transcript: Counting and Subtraction
This is the transcript to the video entitled "Video Tutorial: Counting and Subtraction." |
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Counting and Subtraction Facts to 25 |
Video Tutorial: Counting and Addition |
Video Tutorial: Counting and Addition
In this video tutorial, students are shown how to use their counting skills to add two numbers. Three worked-out examples provide an opportunity for students to see how to use their counting skills to add. |
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Addition Facts to 25 and Counting |
Video Tutorial: Counting and Subtraction |
Video Tutorial: Counting and Subtraction
In this video tutorial, students are shown how to use their counting skills to subtract two numbers. Three detailed examples show how to use counting to subtract. |
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Counting and Subtraction Facts to 25 |
Worksheet: Associate and Add, Worksheet 1 |
Worksheet: Associate and Add, Worksheet 1
This is part of a collection of math worksheets on the topic of using the associative property to add. |
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Addition Facts to 25 |
Worksheet: Associate and Add, Worksheet 2 |
Worksheet: Associate and Add, Worksheet 2
This is part of a collection of math worksheets on the topic of using the associative property to add. |
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Addition Facts to 25 |
Worksheet: Associate and Add, Worksheet 3 |
Worksheet: Associate and Add, Worksheet 3
This is part of a collection of math worksheets on the topic of using the associative property to add. |
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Addition Facts to 25 |
Worksheet: Associate and Add, Worksheet 4 |
Worksheet: Associate and Add, Worksheet 4
This is part of a collection of math worksheets on the topic of using the associative property to add. |
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Addition Facts to 25 |
Worksheet: Associate and Add, Worksheet 5 |
Worksheet: Associate and Add, Worksheet 5
This is part of a collection of math worksheets on the topic of using the associative property to add. |
|
Addition Facts to 25 |
Worksheet: Modeling Equations |
Worksheet: Modeling Equations
Given a visual model, students write the corresponding addition equation. |
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Addition Expressions and Equations |
Worksheet: Switch Places and Add, Worksheet 1 |
Worksheet: Switch Places and Add, Worksheet 1
This is part of a collection of math worksheets on the topic of the commutative property. |
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Addition Facts to 25 |
Worksheet: Switch Places and Add, Worksheet 2 |
Worksheet: Switch Places and Add, Worksheet 2
This is part of a collection of math worksheets on the topic of the commutative property. |
|
Addition Facts to 25 |
Worksheet: Switch Places and Add, Worksheet 3 |
Worksheet: Switch Places and Add, Worksheet 3
This is part of a collection of math worksheets on the topic of the commutative property. |
|
Addition Facts to 25 |
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