Week 4 Vocab Flashcard

Front

Answer to an addition problem

Back

Sum

Front

Answer to a subtraction problem

Back

Difference

Front

Roughly calculating or judging an answer

Back

Estimate

Answer explanation

An estimate is a rough judgment of the answer; Rounding is making the rough judgments to get an estimate

Front

Simplifying a number while keeping it close to its value helps find the estimate.

Back

Round

Answer explanation

Rounding helps you find the estimate (answer)

Front

Numbers easy to add, subtract, divide, or multiply in your head

Back

Compatible Numbers

Front

Number subtracted from another in subtraction.

Back

Subtrahend

Answer explanation

Front

The number from which another is taken in subtraction. First number in a subtraction problem.

Back

Minuend

Answer explanation

Front

Math statement with numbers and an operation (e.g., 5 + 3)

Back

Expression

Answer explanation

Front

Math statement with = sign (e.g., 5 + 3 = 8)

Back

Equation

Answer explanation