solving world problems

equity & social justice in mathematics education

Other Topics


Students play a multiplication game with number cubes to explore the relationship between experimental and theoretical probability.

Ordering Numbers

Students arrange quantities (such as 4/7, 5/8, and 5/9) in order from greatest to least. Each version of the task presents students with different types of quantities (ex: rational numbers, multiplication expressions) allowing you to select (or design!!) the task that matches the content you are teaching.

Writing Numerals & Ordering Dot Cards

Students use their knowledge of number order, counting, and cardinality to write numerals and place dot cards in sequential order.

Numbers Representation Card Sort

Children find and group numbers quantities by recognizing amounts based on comparing different representations of numbers: addition, arrays, dot cards, number symbols, number words, unit cubes/tens rods, and five/tens frames.


Students explore fair sharing and fractions by considering how to divide submarine sandwiches among different numbers of people. The task also invites students to consider how they share food in their families and communities.

Give Change a Chance

Students can use the smallest amount of pennies, nickels, dimes, and quarters to get from one amount of money to another amount.

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