Mathematics Vocabulary

Front

Place Value

Back

The value of the place of a digit in a numeral.

Front

Standard Form

Back

1,327,568,243

Front

Word Form

Back

One billion, three hundred twenty-seven million, five hundred sixty-eight thousand, two hundred forty-three.

Front

Expanded Form

Back

1,000,000,000 + 300,000,000 + 20,000,000 + 7,000,000 + 500,000 + 60,000 + 8,000 + 200 + 40 + 3.

Front

Compare Numbers

Back

Using >, <, or = to evaluate a pair of numbers.

Front

Addition

Back

Finding the total or sum by combining two or more numbers.

Front

Addend

Back

Any of the numbers that are added together.

Front

Sum

Back

The result of adding two or more numbers.

Front

Estimate

Back

To find a value that is close enough to the right answer usually with some thought or calculation involved.

Front

Rounding

Back

Making a number simpler but keeping its value close to what it was. The result is less accurate but easier to use.