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Tasks That Promote Problem Solving, Wendy Ward Hoffer
Tasks That Promote Problem Solving, Wendy Ward Hoffer
Colorado Mathematics Teacher
What makes a rich, juicy task that can deeply engage learners in thinking and understanding important mathematical ideas? I have found that a great task offers varied entry points, is open-ended, and invites multiple representations.
Combining Transformation Of Graphs With Solutions To Absolute Value Inequalities, Ryan D. Fox
Combining Transformation Of Graphs With Solutions To Absolute Value Inequalities, Ryan D. Fox
Colorado Mathematics Teacher
I present how transformations can be applied to support students’ solving linear inequalities involving absolute value. In particular, the horizontal dilations/compressions and translations of graphical representations of distances from zero along a number line are important tools to emphasize a visual representation of the solutions to absolute value inequalities.