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1st Grade Math
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Basic Associative Property
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Basic Associative Property Videos
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Video on "Doubling"
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Source: AdaptedMind
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More videos on Addition
Adding ones and tens
Introduction to addition
Adding Below Six
Adding Below Ten
Adding with Zero
Addition by Counting
Doubling
Doubles Below Twenty
Basic Associative Property
Associative Law of Addition
Adding Below Twenty
The sum of and difference between 2 numbers
Adding 2-digit numbers
Adding Three Numbers
Addition Below Fifty With Carrying
Practice carrying digits to add multiple digit numbers
Introduction to carrying
Addition Below One Hundred
Adding Whole Numbers and Applications 1
Missing Addends
Rewriting Addition as Plus Ten
Rewriting Addition as Plus Ten
Adding Three Numbers
Adding Whole Numbers and Applications 3
Two Digit Addition
Two Digit Addition With Carrying
Adding Tens
Adding Tens
Rounding and Addition
Rounding and Addition
Adding 3 2-Digit Numbers
Adding Hundreds
More practice carrying with multiple digit numbers
Adding Hundreds With Carrying
Adding Whole Numbers and Applications 2
Addition Review
Even more adding of 4-digit numbers
More adding of 4 digit numbers
Adding 4 digit numbers
Addition and Inequalities
Properties of Addition
Commutative Law of Addition
Properties of Whole Numbers
Addition up to 10,000
Adding Money