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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.