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Addition and Subtraction Tutorial
If you still have questions and need practice check this site out.
This lesson takes you through the basics and then gives you interactive questions that check your understanding.
You can do it:)
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Connecting to base ten blocks
This video clip takes a slow approach.
It helps students see what regrouping and carrying is all about.
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Adding with base ten blocks
A calm focused voice explaining how base ten blocks help with the standard algorithm strategy.
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Many Methods
This site has a few videos outlining other subtraction methods that your child may have experience with.