Montessori in a Minute: The Bank Game

Montessori education uses hands-on materials that turn abstract ideas into tangible experiences for our students. In the Primary classrooms, students engage with one of the most dynamic and collaborative math materials: the Bank Game. Children explore place value and perform large number operations using physical representations of units, tens, hundreds, and thousands. The child physically moves around the room to “fetch” a quantity. This activity is a fun way for the children to discover how numbers and their values truly work.

The Bank Game reinforces the decimal system for students in an intuitive way. With the Montessori Golden Bead material, students physically see and touch quantities: single beads for units, bars of ten for tens, squares of one hundred beads for hundreds, and cubes of one thousand beads for thousands. 

During the Bank Game, the teacher selects a student to act as the banker, who is responsible for distributing the correct wooden number cards that correspond to the golden bead quantities. The teacher first gives a child a quantity of beads on a tray—for example, four units. The child is then asked to retrieve the number card that corresponds to the number of beads on the tray, as an “exchange.”

Once simple exchanges are mastered, the numbers grow much larger. For example, the number 3,452 would require three thousand cubes, four hundred squares, five ten bars, and two unit beads. As children collect and organize the materials, they can physically see how each digit represents a different place value in a number.

The Importance of the Bank Game

The Bank Game allows children to experience the structure of our number system in a clear and memorable way. Instead of memorizing rules about place value, students actively exchange materials and see how ten units become one ten, ten tens become one hundred, and ten hundreds become one thousand. These exchanges make regrouping addition and subtraction easy to understand.

Another important part of the Bank Game is collaboration. Because several students can take on different roles, this activity naturally encourages teamwork and communication. Students work together to build numbers, solve problems, and check their work.

As children become comfortable with the material, teachers can additionally introduce increasingly complex operations involving addition, subtraction, multiplication, and division with large numbers. Students use the golden beads to physically combine quantities, trade materials when needed, and break numbers apart, gaining a deep understanding of mathematical processes.

Most importantly, the Bank Game turns mathematics into an active and joyful experience. By working with concrete materials and collaborating with classmates, students develop confidence in their mathematical abilities and gain a lasting understanding of the decimal system.

The Montessori in a Minute Series

The Montessori in a Minute series regularly explores the unique benefits of the Montessori philosophy, its fundamental materials, and classroom areas. For all parents at Hudson Montessori School (Jersey City, New Jersey), we host annual Montessori Parent Education Events, including Our Montessori Journey, to educate parents about the Montessori method and how students learn within a Montessori framework. At Hudson Montessori, a child's education is a partnership between school and home, working together to support a student's learning journey.

Contact us to learn more about Hudson Montessori School's theme-based learning approach, the Montessori philosophy and methodology, or how the school fosters a love of learning for children from toddlers through grade 8.