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.

This blackboard marker is a tool used to guide blackboard user while drawing horizontal, vertical and diagonal lines.

Blackboard Marker

This blackboard marker is a tool used to guide blackboard user while drawing horizontal, vertical and…

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…

Two students measuring the blackboard. The boy is using a ruler and the girl is using a yardstick.

Measuring

Two students measuring the blackboard. The boy is using a ruler and the girl is using a yardstick.

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.