Gina Kling
Applying known facts to derive unknown facts results in efficiency, flexibility, and an understanding of number combinations for young students.
Renee Parker and M. Lynn Breyfogle
This student-friendly rubric helped improve third graders’ competencies when explaining solution strategies in writing.
Nancy K. Mack
Exploring number systems of other cultures helps students deepen mental computation fluency, knowledge of place value, and equivalent representations for numbers.
Sandy Buczynski, Jennifer Gorsky, Lynn McGrath, and Perla Myers
The concrete, pictorial, and abstract methods of this lesson give students access to investigate, isolate, define, and use prime numbers.