Section D Section D Checkpoint

Problem 1

Find the value of each sum or difference:

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Solution

addition algorithm

subtraction algorithm

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Sample Response

addition algorithm

subtraction algorithm

Problem 2

Find the value of 100,058−86,249100,058 - 86,249. Show your thinking. Organize it so it can be followed by others.

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Solution

13,809. Sample response:

Subtraction.
Show Sample Response
Sample Response

13,809. Sample response:

Subtraction.