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 27--Addition and Subtraction Concepts--Minuend (Spanish Audio) |
Math Video Definition 27--Addition and Subtraction Concepts--Minuend (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 28--Addition and Subtraction Concepts--Minus Sign |
Math Video Definition 28--Addition and Subtraction Concepts--Minus Sign 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 28--Addition and Subtraction Concepts--Minus Sign (Spanish Audio) |
Math Video Definition 28--Addition and Subtraction Concepts--Minus Sign (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 29--Addition and Subtraction Concepts--Number Bond |
Math Video Definition 29--Addition and Subtraction Concepts--Number Bond 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 29--Addition and Subtraction Concepts--Number Bond (Spanish Audio) |
Math Video Definition 29--Addition and Subtraction Concepts--Number Bond (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 3--Addition and Subtraction Concepts--Addition |
Math Video Definition 3--Addition and Subtraction Concepts--Addition 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 3--Addition and Subtraction Concepts--Addition (Spanish Audio) |
Math Video Definition 3--Addition and Subtraction Concepts--Addition (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 30--Addition and Subtraction Concepts--Number Line |
Math Video Definition 30--Addition and Subtraction Concepts--Number Line 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 30--Addition and Subtraction Concepts--Number Line (Spanish Audio) |
Math Video Definition 30--Addition and Subtraction Concepts--Number Line (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 31--Addition and Subtraction Concepts--Odd Number |
Math Video Definition 31--Addition and Subtraction Concepts--Odd Number 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 31--Addition and Subtraction Concepts--Odd Number (Spanish Audio) |
Math Video Definition 31--Addition and Subtraction Concepts--Odd Number (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 32--Addition and Subtraction Concepts--Ones Place |
Math Video Definition 32--Addition and Subtraction Concepts--Ones Place 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 32--Addition and Subtraction Concepts--Ones Place (Spanish Audio) |
Math Video Definition 32--Addition and Subtraction Concepts--Ones Place (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 33--Addition and Subtraction Concepts--Part-Part-Whole |
Math Video Definition 33--Addition and Subtraction Concepts--Part-Part-Whole 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. |
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Addition Expressions and Equations |
Math Video Definition 33--Addition and Subtraction Concepts--Part-Part-Whole (Spanish Audio) |
Math Video Definition 33--Addition and Subtraction Concepts--Part-Part-Whole (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 34--Addition and Subtraction Concepts--Place Value |
Math Video Definition 34--Addition and Subtraction Concepts--Place Value 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. |
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Addition Expressions and Equations |
Math Video Definition 34--Addition and Subtraction Concepts--Place Value (Spanish Audio) |
Math Video Definition 34--Addition and Subtraction Concepts--Place Value (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 35--Addition and Subtraction Concepts--Plus Sign |
Math Video Definition 35--Addition and Subtraction Concepts--Plus Sign 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 35--Addition and Subtraction Concepts--Plus Sign (Spanish Audio) |
Math Video Definition 35--Addition and Subtraction Concepts--Plus Sign (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 36--Addition and Subtraction Concepts--Regrouping |
Math Video Definition 36--Addition and Subtraction Concepts--Regrouping 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 36--Addition and Subtraction Concepts--Regrouping (Spanish Audio) |
Math Video Definition 36--Addition and Subtraction Concepts--Regrouping (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 37--Addition and Subtraction Concepts--Repeated Addition |
Math Video Definition 37--Addition and Subtraction Concepts--Repeated Addition 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 37--Addition and Subtraction Concepts--Repeated Addition (Spanish Audio) |
Math Video Definition 37--Addition and Subtraction Concepts--Repeated Addition (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 38--Addition and Subtraction Concepts--Separating |
Math Video Definition 38--Addition and Subtraction Concepts--Separating 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 38--Addition and Subtraction Concepts--Separating (Spanish Audio) |
Math Video Definition 38--Addition and Subtraction Concepts--Separating (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 |
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