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4.NBT.4

4.NBT.4 adding and subtracting

TermDefinition
Sum The answer to an addition problem.
Difference The answer to a subtraction problem.
Addends The numbers being added together in an equation.
Regroup The process of exchanging amounts of equal value between place values, often referred to as "carrying" in addition or "borrowing" in subtraction.
Equation A math sentence with two expressions that are equal
Estimate to guess a sum or difference, often using rounding.
Round an approximation of a number to a given place value.
Inverse Operations Opposite operations that undo each other, such as addition and subtraction.
Created by: user-2045001
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