MathPickle

 (72)
Canada - Alberta
MathPickle
3.9
43 votes
Put your students in a pickle! Dr. Pickle is a regular contributor to NumberPlay in the New York Times.
 
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By MathPickle
Dot-to-Dot Middle Path Puzzles give students practice measuring and eyeballing distances. Correct comparisons result in the student creating a picture. These pictures are not as obvious as standard dot-to-dot so there is a real feeling of
Subjects:
Math, Measurement, Critical Thinking
Grades:
2nd, 3rd, 4th
Types:
Worksheets, Handouts, Math Centers
CCSS:
2.MD.A.1, 2.MD.A.4, 3.MD.D.8
$3.00
6 ratings
4.0
Digital Download PDF (4.49 MB)
By MathPickle
These puzzles are great additions to any classroom learning algebra. Students are given the sizes of some squares and have to figure out the sizes of all the other little squares. They use that to find the value for x. The results are physically
Subjects:
Math, Algebra, Critical Thinking
Grades:
6th, 7th, 8th
Types:
Worksheets, Games, Math Centers
CCSS:
6.EE.A.2, 7.EE.B.4, 8.EE.C.7
$3.00
5 ratings
4.0
Digital Download PDF (5.57 MB)
By MathPickle
Want an engaging activity to help teach algebra? Dots and Boxes xyz is a beautiful game that will engage a large spectrum of your class. They'll be saying "x + 7 beats 15 because x = 10." If you familiar with the standard Dots and Boxes game,
Subjects:
Math, Algebra, Algebra 2
Grades:
6th, 7th, 8th, 9th, 10th
Types:
Printables, Games, Math Centers
CCSS:
6.EE.A.2, 6.EE.A.2a, 6.EE.A.4, 7.EE.B.4, HSA-CED.A.2, HSF-BF.A.1
$3.00
3 ratings
3.8
Digital Download PDF (10.47 MB)
By MathPickle
These puzzles are a great way to explore equivalent fractions in your classroom. It will engage a large fraction of your grade 4 to 6 students for one or two periods. Top students will be engaged through deflection into tough problem solving -
Subjects:
Math, Fractions, Critical Thinking
Grades:
4th, 5th, 6th
Types:
Worksheets, Interactive Whiteboard, Games
CCSS:
4.NF.A.1, 4.NF.A.2
$3.00
2 ratings
4.0
Digital Download PDF (2.39 MB)
By MathPickle
Lichen puzzles give your students practice with multiplication and subtraction. Children will be asked to do products like 2 x 13 = 26 and 5 x 8 = 40. The puzzle is also perfect to revisit basic multiplication in later grades because top
Subjects:
Math, Basic Operations, Critical Thinking
Grades:
3rd, 4th, 5th, 6th
Types:
Worksheets, Math Centers, Cooperative Learning
CCSS:
3.NBT.A.2, 4.NBT.B.5, 3.OA.A.1, 3.OA.A.4, 3.OA.C.7, 4.OA.A.1
$4.00
3 ratings
4.0
Digital Download KEY (40.31 MB)
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
Subjects:
Math, Geometry, Critical Thinking
Grades:
Kindergarten, 1st, 2nd
Types:
Interactive Whiteboard, Games, Math Centers
CCSS:
K.MD.B.3, 1.MD.A.1, K.G.A.1
$3.00
2 ratings
4.0
Digital Download PDF (51.27 MB)
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
Subjects:
Math, Geometry, Critical Thinking
Grades:
4th, 5th, 6th, 7th, 8th
Types:
Worksheets, Games, Math Centers
CCSS:
4.G.A.3, 8.G.A.1, 8.G.A.1a, 8.G.A.1b, 8.G.A.1c
$5.00
1 rating
4.0
Digital Download PDF (24.03 MB)
By MathPickle
Lazy Lemur Multiplication keeps students aware and focussed as they use the standard multiplication algorithm. Too often I was seeing students just blindly jumping into an algorithm and then letting their mind wander. Sloppy work was the result.
Subjects:
Math, Arithmetic, Critical Thinking
Grades:
3rd, 4th, 5th, 6th
Types:
Worksheets, Games, Math Centers
CCSS:
4.NBT.B.5, 5.NBT.B.5
$3.00
4 ratings
3.8
Digital Download PDF (22.58 MB)
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
Subjects:
Math, Geometry, Critical Thinking
Grades:
4th, 5th, 6th
Types:
Lesson Plans (Individual), Worksheets, Math Centers
CCSS:
4.G.A.2, 4.G.A.3, 5.G.B.4
$3.00
1 rating
4.0
Digital Download PDF (4.65 MB)
By MathPickle
This puzzle is a great way to inspire grade 4-7 students in both 1) Prime factorization of Integers 2) Finding the Greatest Common Factor 45 minutes is the minimum amount of time that a class might spend on Mimizu. If desired, there is enough
Subjects:
Math, Basic Operations, Critical Thinking
Grades:
4th, 5th, 6th, 7th
Types:
Worksheets, Activities, Games
CCSS:
4.OA.B.4, 4.OA.C.5, 6.NS.B.2, 6.NS.B.3, 6.NS.B.4
$5.00
2 ratings
4.0
Digital Download PDF (75.17 MB)
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
Subjects:
Math, Geometry, Critical Thinking
Grades:
4th, 6th, 7th, 10th
Types:
Projects, Games, Math Centers
$3.00
2 ratings
3.7
Digital Download PDF (6.07 MB)
By MathPickle
Each multiplication puzzle consists of three warships that need to be loaded with ballast so that they are balanced. Unfortunately this is impossible for one of the ships - it will keel over and sink no matter what you do. The other two ships can
Subjects:
Arithmetic, Basic Operations, Problem Solving
Grades:
3rd, 4th, 5th
Types:
Worksheets, Games, Math Centers
$3.00
2 ratings
4.0
Digital Download PDF (22.97 MB)
By MathPickle
"A little bit of Aggression" is a great way to give a classroom practice with subtraction while engaging your top students in tough problem solving. Think of it as a superior variant of Risk. There are a number of critical differences: 1) Armies
Subjects:
Math, Arithmetic, Problem Solving
Grades:
1st, 2nd, 3rd, 4th
Types:
Printables, Games, Math Centers
$3.00
not yet rated
Digital Download PDF (1.78 MB)
By MathPickle
Each addition puzzle consists of three warships that need to be loaded with ballast so that they are balanced. Unfortunately this is impossible for one of the ships - it will keel over and sink no matter what you do. The other two ships can be
Subjects:
Arithmetic, Basic Operations, Problem Solving
Grades:
1st, 2nd, 3rd
Types:
Worksheets, GATE, Math Centers
$3.00
not yet rated
Digital Download PDF (19.59 MB)
By MathPickle
This game gives students practice ordering decimals between 3.88 and 4.22. Which is larger 4.09 or 4.2 ? Which is larger 4.0 or 3.99 ? Top students are engaged because the game is interesting and requires tough problem solving - other students
Subjects:
Math, Critical Thinking, Decimals
Grades:
4th
Types:
Games, Math Centers
CCSS:
4.NF.C.7
$3.00
not yet rated
Digital Download PDF (22.45 MB)
By MathPickle
This game reminds me a little bit of risk. There are big differences: 1) Armies don't move. 2) If allied armies neighbour an enemy space they may attack by multiplying their strength together. I'm happy with it, but I'd love to know what you
Subjects:
Math, Arithmetic, Problem Solving
Grades:
3rd, 4th, 5th
Types:
Handouts, Games, Math Centers
$1.50
not yet rated
Digital Download PDF (1.77 MB)
By MathPickle
The Penny Farthing Puzzle gives students practice calculating angles and edge lengths of right triangles. Your struggling students will be engaged learning the curriculum while your top students can get wrapped up in problem solving. This puzzle
Subjects:
Math, Trigonometry, Critical Thinking
Grades:
9th, 10th, 11th, 12th
Types:
Worksheets, Computation, Games
$3.00
not yet rated
Digital Download PDF (6.42 MB)
By MathPickle
Animal Subtraction is beautiful for all children learning equations like 7-3 = 4. While the bulk of your class learns subtraction, your top students will be engaged by tough problem solving. There are also puzzle-sheets which require harder
Subjects:
Math, Arithmetic, Problem Solving
Grades:
2nd, 3rd, 4th
Types:
Worksheets, Activities, Math Centers
$5.00
1 rating
4.0
Digital Download PDF (33.46 MB)
By MathPickle
This puzzle is a great way for students to practice addition, find patterns, and compare the number of germs in two regions. For those top students who are beyond acquiring these curricular skills - they will be thoroughly absorbed in the problem
Subjects:
Math, Basic Operations, Problem Solving
Grades:
Kindergarten, 1st, 2nd, Higher Education
Types:
Lesson Plans (Individual), Games, Math Centers
$3.00
not yet rated
Digital Download PDF (51.27 MB)
By MathPickle
This is a great way to get your students enthusiastic about subtracting fractions and optionally turning the result into decimals. The set-up is engaging for a wide spectrum of student ability. Struggling students learn how to subtract fractions
Subjects:
Math, Fractions, Decimals
Grades:
5th, 6th, 7th
Types:
Lesson Plans (Individual), Computation, Games
CCSS:
5.NBT.A.3, 5.NBT.A.4, 5.NBT.B.6, 5.NF.A.1, 7.NS.A.2d
$3.00
1 rating
4.0
Digital Download PDF (10.93 MB)
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Digital Items
4.0
Overall Quality:
4.0
Accuracy:
3.9
Practicality:
4.0
Thoroughness:
4.0
Creativity:
4.0
Clarity:

3.9
Total:
43 total vote(s)
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TEACHING EXPERIENCE

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.

MY 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 ;-)

HONORS/AWARDS/SHINING TEACHER MOMENT

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)"

MY OWN EDUCATIONAL HISTORY

BSc (1988, University of Calgary) MMath (1990, University of Waterloo) PhD (1996, University of Calgary)

ADDITIONAL BIOGRAPHICAL INFORMATION

Gordon lives with his 6 year old daughter and 9 year old son in Calgary, Canada.

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