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Previous Standard
Add up to four two-digit numbers using strategies based on place value and properties of operations.

Next Standard
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.

Worksheets

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Each worksheet has 20 problems solving addition and subtraction problems.

Each worksheet has 20 problems finding the sum of numbers within 1,000.

Add or subtract the numbers shown.

Each worksheet has 20 problems with numbers below 1,000.

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