Solutions to a previous Solve It problem are discussed, and the procedures used with problem solving are explored.
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Joel Amidon and Matt Roscoe
A monthly set of problems is aimed at a variety of ability levels.
Mathematical Explorations: Find the Distance: No Formula Necessary
classroom-ready activities
Ryota Matsuura and Yu Yan Xu
This activity involves finding the distance between two points in a coordinate plane and emphasizes reasoning from repeated calculations, which is one of the mathematical practices specified by the Common Core State Standards for Mathematics.
Joel Amidon and Matt Roscoe
A monthly set of problems is aimed at a variety of ability levels.
Joel Amidon and Matt Roscoe
A monthly set of problems is aimed at a variety of ability levels.
Math for Real: How Much Time Will Lena Save?
“when will I ever use this?”
Dan Miltner
This problem ties in the Pythagorean theorem while two people walk around or across a park.
Quick Reads: MathMania: A Middle School Puzzle Book
a good idea in a small package
Alessandra King
Students are called to engage their creativity and problem-solving skills by designing their own puzzles. They share them with their classmates and produce an anthology that will be a keepsake of their mathematical year as well as a memento of their collective accomplishment.
Mathematical Explorations: How Tall Is That Tree?
classroom-ready activities
Kate M. Degner
An activity explores how to estimate the height of trees. Activity sheets are included.
Joel Amidon and Matt Roscoe
A monthly set of problems is aimed at a variety of ability levels.
Hyewon Chang and Barbara J. Reys
Using Clairaut's historic-dynamic approach and dynamic geometry tools in middle school can develop students' conceptual understanding before they encounter formal proof in geometry.
