ClipArt ETC
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 use measuring tape to measure the school garden outside.

Measuring Garden

Three students use measuring tape to measure the school garden outside.

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 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.