Students use the sum of four numbers to find dates on a calendar that form a square.
ObjectivesStudents demonstrate abilities using algebraic equations to calculate numbers and find number patterns.
algebra, calendar, fun, puzzle, calculation
monthly calendar, calculator, paper, pens or pencils
Lesson PlanLink to the lesson Algebra -- Fun With Calendars. Extension: Have students create other calendar date patterns (for example, three-number diagonals). Link to Design Your Own.
AssessmentEvaluate how well students calculate the calendar dates.
Lesson Plan SourceMathematics Lessons That Are Fun!
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Common Core Plays