ClipArt ETC
A student doing an algebra problem on the chalkboard.

Algebra

A student doing an algebra problem on the chalkboard.

This chalk board also offers abacus-like beads at the top for keeping track of tallies.

Chalk Board

This chalk board also offers abacus-like beads at the top for keeping track of tallies.

A girl is measuring the chalkboard using a yardstick. There are conversions written on the board.

Girl Measuring

A girl is measuring the chalkboard using a yardstick. There are conversions written on the board.

A girl doing math problems on the chalkboard.

Math

A girl doing math problems on the chalkboard.

Students work on math in front of the class using an early abacus and writing on the chalkboard.

Math Class

Students work on math in front of the class using an early abacus and writing on the chalkboard.

Three students playing a math game in the classroom, throwing beanbags into a circle and doing multiplication problems on the chalkboard.

Math Game

Three students playing a math game in the classroom, throwing beanbags into a circle and doing multiplication…

Three students work from using dots as counters in columns (left) to writing the symbolic number (right).

Place Value

Three students work from using dots as counters in columns (left) to writing the symbolic number (right).

A teacher helps students do math with a sand table, a predecessor to the abacus.

Sand Table

A teacher helps students do math with a sand table, a predecessor to the abacus.

A cartoon of a schoolteacher and a young boy, who is holding open a book. A chalkboard decorates the background behind them.

Schoolteacher and Young Boy

A cartoon of a schoolteacher and a young boy, who is holding open a book. A chalkboard decorates the…

A teacher showing a math problem on the blackboard in front of the class.

Teaching Math

A teacher showing a math problem on the blackboard in front of the class.

A teacher watches a group of students weighing apples and writing out measurement problems on the chalkboard.

Weighing Apples

A teacher watches a group of students weighing apples and writing out measurement problems on the chalkboard.