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Adding & Subtracting Decimals Song | 4th & 5th Grade - YouTube
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Our Favorite Subtraction and Addition Videos on YouTube
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Addition and Subtraction | Jack Hartmann - YouTube
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Mental Subtraction - Adding or Subtracting the Same Amount to Both Numbers - Math Video on Vimeo
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Math Antics - Adding and Subtracting Fractions - YouTube
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Adding & Subtracting Fractions
