Place Value and Mathematical Concepts

Front

Addends

Back

The numbers that are added together in an addition expression.

Front

Algorithm

Back

A step-by-step procedure to solve a type of problem.

Front

Bundling, making, renaming, changing, regrouping

Back

Exchanging 10 units for 1 of the next larger unit (e.g., 10 tens for 1 hundred).

Front

Compatible numbers

Back

Numbers that make calculation simpler when estimating solutions; not necessarily the same numbers obtained by rounding.

Front

Compose

Back

Process of combining to make a larger component (e.g., making 1 larger unit from 10 smaller units).

Front

Decompose

Back

Process of separating a larger component into smaller components (e.g., breaking 1 larger unit into 10 smaller units).

Front

Diagram of bundling, composing, and decomposing

Back

Visual representation of bundling, composing, and decomposing numbers using place values.

Front

Difference

Back

An answer to a subtraction problem.

Front

Digit

Back

Any of the numbers 0 to 9.

Front

Endpoints

Back

The numbers that mark the beginning and end of a given interval; can be used with rounding on the number line.