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Base Ten Blocks
Grade 6 NSN Unit
+Re-cap…
What is a place value chart?
What are the groups in a place value chart?
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What is a base ten block?
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Why do you think base ten blocks could be used for?
+Modeling Numbers with Base Ten Blocks is Important…
to represent a number in different ways so that flexible thinking about the quantity of a number can be developed; and
to provide visuals that show how numbers are com- posed of other numbers; that is, to show part- whole relationships of numbers.
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+Addition with Base Ten Blocks addition is the joining or composing of parts to make a
whole;
So, you are putting the blocks together to make a new number
+Subtraction with Base Ten Blocks subtraction is separating or decomposing of the parts
of a whole; and
subtraction is comparing two wholes to determine the difference between them.
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