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MathPickle

Rated 4.88 out of 5, based on 46 reviews

85 Followers

Alberta, Canada

About the store

Gordon Hamilton (MMath, PhD) is a mathematician and board game designer. He founded MathPickle.com in 2010 to inject hard, fun problems, puzzles and mini-competitions into math classrooms world wide. In the last year he has been featured twice in the New York Times. In November 2013, he co-hosted a conference of mathematicians and educators to select thirteen curricular unsolved problems of mathematics - one for each grade K-12. In 2015 he will be co-hosting a conference on integer sequences in the math classroom.

Beetle Sort! A pattern puzzle for kindergarten through grade 2.

Mishap at Venn Zoo (mirror and rotational symmetry $100 Classroom Challenge)

Lichen Puzzles (multiplication & subtraction with $100 challenge)

No-Three-In-A-Line Pattern Problem ($100 challenge)

All resources

Search resources

Kajitsu (Mirror & Rotational Symmetry Puzzle)

Created by

MathPickle

"Kajitsu" is Japanese for "a morsel of fruit". Cutting the fruit into bite sized morsels requires students to practice mirror & rotational symmetry. Top students are engaged in the tough problem solving while the rest of the class learns and practices symmetry. Of all MathPickle puzzle designs, this is the most physically beautiful. I often have students ask for a spare puzzle-sheet just so they can redraw their answers beautifully - so this puzzle's look helps inspire aesthetically minded s

4th - 8th

Geometry, Math

CCSS

4.G.A.3

, 8.G.A.1

, 8.G.A.1a

Taxi Cab Squares ($500 classroom challenge)

Created by

MathPickle

This is a great introduction to Cartesian coordinates - parallel and perpendicular lines and right angles. It's also great practice. It is simple enough for elementary students, but it is brilliantly open ended. Part of the puzzle remains unsolved - hence the $500 reward for the classroom that solves it. It is one of MathPickle's most beautiful puzzles. ________________ Standards for Mathematical Practice: All MathPickle puzzles including "Mishap at Venn Zoo" are guaranteed to engage a w

4th - 10th

Geometry, Math

Beetle Sort! A pattern puzzle for kindergarten through grade 2.

Created by

MathPickle

Beauty and mathematics are inseparable. In this puzzle we use the beauty of beetles to inspire k-2 students to find and discuss patterns. The puzzles are meant to be projected and solved as a whole class through argument and consensus. For kindergarten students 15 minutes of Beetle Sort is perfect. There are enough puzzles here to do this several times. ___________________ Standards for Mathematical Practice: All MathPickle puzzles including Beetle Sort a

K - 2nd

Geometry, Math

CCSS

K.MD.B.3

, 1.MD.A.1

, K.G.A.1

Mishap at Venn Zoo (mirror and rotational symmetry $100 Classroom Challenge)

Created by

MathPickle

Mishap at Venn Zoo is a co-operative puzzle that gives students practice with mirror symmetry, rotational symmetry and beautiful Venn diagrams. It will engage a large fraction of your grade 4 or grade 5 students for one 40-50 minute period. It requires students to place "animals" into a Venn diagram based on their symmetry. Standards for Mathematical Practice: All MathPickle puzzles including "Mishap at Venn Zoo" are guaranteed to engage a wide spectrum of student abilities while targeting

4th - 6th

Geometry, Math

CCSS

4.G.A.2

, 4.G.A.3

, 5.G.B.4

Showing 1-4 of 4 results

About the store

Experience

Teaching style

All students, especially the top ones, should experience failure every day. Doing this in a light-hearted way helps remove the stigma of failure from the classroom. I fail in front of my students regularly. It's okay. I get over it. So will they ;-)

Awards & shining teacher moments

No honors or awards yet for MathPickle, but the uplifting testimonials and emails from educators make up for the lack of official recognition. Here is a sample: "Hi Gordon, I stumbled upon your site, MathPickle.com, this morning and two hours later I'm still there. Just wanted to drop you a brief note to say thank you for all the great resources, ideas, and inspiring videos! I can't wait to use some these materials this Fall with my elementary mathematics methods students as well as try the unsolved problems with my two children. Thank you, Amy Tanner (Assistant Professor, Education Department, St. Catherine University)"