Basic Math Concepts

Front

Digits

Back

0, 1, 2, 3, 4, 5, 6, 7, 8, 9. These are put together to form a number.

Front

Compose

Back

9 hundreds + 10 tens = 1,000. To put numbers together to create a larger number.

Front

Number

Back

526. These are written with 1 or more digits.

Front

Number Line

Back

Numbers are shown as a distance from zero on a line.

Front

Decompose

Back

1,000 = 9 hundreds + 10 tens. To break numbers apart into smaller pieces.

Front

Expanded Notation

Back

(3 x 100) + (4 x 10) + (5 x 1). A way to write a number that shows the place value of each digit.

Front

Standard Form

Back

345. The “regular” way to write a number.

Front

Word Form

Back

Three hundred forty-five. Digits and place values are written in words.

Front

Round

Back

538 to the nearest ten is 540. To find the nearest ten, hundred, thousand, and so on.

Front

Expanded Form

Back

300 + 40 + 5. A way to write a number that shows the value of each digit.