This set of numbers is used by a teacher to help the students practice adding numbers in columns. After they have mastered two numbers, the chart can be pulled down to show columns of three numbers to add and so on.

Roller Chart

This set of numbers is used by a teacher to help the students practice adding numbers in columns. After…

Illustration showing 2 bundles of ten sticks equals 20.

2 Bundles of Ten Sticks

Illustration showing 2 bundles of ten sticks equals 20.

Illustration showing 3 bundles of ten sticks equals 30.

3 Bundles of Ten Sticks

Illustration showing 3 bundles of ten sticks equals 30.

Illustration showing 4 bundles of ten sticks equals 40.

4 Bundles of Ten Sticks

Illustration showing 4 bundles of ten sticks equals 40.

Illustration showing 5 bundles of ten sticks equals 50.

5 Bundles of Ten Sticks

Illustration showing 5 bundles of ten sticks equals 50.

A bundle of sticks used for counting.

Bundle of Sticks

A bundle of sticks used for counting.

A bundle of sticks used for counting.

Bundle of Sticks

A bundle of sticks used for counting.

A bundle of sticks used for counting.

Bundle of Sticks

A bundle of sticks used for counting.

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