Ones - it is the value of where the digit is in the number , Tens - it is the value of where the digit is in the number , Hundreds - it is the value of where the digit is in the number , Sum - The result of adding two or more numbers, Difference - The result of subtracting one number from another, Regroup - Moving an amount (usually 10) from one part of a calculation to another so it is easier to do the calculation., Equal  - Exactly the same amount or value,

Math definitions (grp 1)

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