For daily use with any curriculum, Problem Strings are a powerful tool for either whole-class instruction or targeted small-group support.
For daily use in classrooms. No additional prep required.
Problem strings are carefully crafted sequences of related problems designed to be solved mentally, represented visually, and discussed as a community of young mathematicians.
Each problem strategically builds on the relationships with the previous problems in the string.
As the string progresses, students refine their strategies, make generalizations, develop models as tools for thinking, and build increasingly efficient and flexible reasoning.
Problem strings support students in:
Designed for Progressive Development
Each string is intentionally designed so relationships, strategies, and big ideas emerge and develop across problems. Learning does not occur through discussion alone, but through the careful building of relationships across problems.
Students do more than mentally solve problems. As they share strategies, teachers represent their thinking on carefully chosen models so that learners see relationships, justify reasoning, make generalizations, and develop models as tools for thinking.
Strings in this series extend beyond computation to include fractions, geometry, measurement, data, and early algebraic reasoning as students build fluency and understanding across mathematics.
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