The Poke the Problem Series

In each of our Poke the Problem books, we guide the young reader through the step-by-step thought process of solving one intriguing problem, from digging into specific cases and collecting observations to making guesses and verifying with reasoning, so that they can apply the same process to any new problem they encounter in the future.

Book Title	Paperback	Prerequisites and Related Math Topics
Poke the Problem of Finding Paths		Suggested grade level for this question: Gr. 4+ Required mathematical knowledge: odd/even numbers
Poke the Problem of Switching Codes		Suggested grade level for this question: Gr. 4+ Required mathematical knowledge: additions, odd/even numbers
Poke the Problem of Collecting Sticks		Suggested grade level for this question: Gr. 5+ Required mathematical knowledge: divisions and remainders
Poke the Problem of Connected Lights		Suggested grade level for this question: Gr. 5+ Required mathematical knowledge: divisions and remainders
Poke the Problem of Mixing Coins		Suggested grade level for this question: Gr. 6+ Required mathematical knowledge: mixed operations, remainders
Poke the Problem of Diagonal Walks		Suggested grade level for this question: Gr. 6+ Required mathematical knowledge: counting principles
Poke the Problem of Grid Orders		Suggested grade level for this question: Gr. 7+ Required mathematical knowledge: counting, 2D spatial reasoning
Poke the Problem of Consecutive Sums		Suggested grade level for this question: Gr. 8+ Required mathematical knowledge: factors, integers, averages
Poke the Problem of Inner Heights		Suggested grade level for this question: Gr. 9+ Required mathematical knowledge: area of a triangle, Pythagorean Theorem, proportional reasoning, volume of a pyramid
Poke the Problem of Point Sources		Suggested grade level for this question: Gr. 10+ Required mathematical knowledge: similar figures, basic trig ratios
Poke the Problem of Squared Remainders		Suggested grade level for this question: Gr. 10+ Required mathematical knowledge: remainders, factors, difference of squares
Poke the Problem of Irrational Signals		Suggested grade level for this question: Gr. 11+ Required mathematical knowledge: rational vs. irrational numbers, radical expressions, distances, locus of circles and spheres, Cosine Law
Poke the Problem of Squished Angles		Suggested grade level for this question: Gr. 12+ Required mathematical knowledge: circle geometry, analytic geometry

The Make a Problem Series

Book Title	Paperback (Most Popular)	Hardcover
Make a Problem of Squares and Tiling
Make a Problem of Lights and Flickering
Make a Problem of Numbers and Knighting (Most Popular)
Make a Problem of Magic and Sliding
Make a Problem of Subgrids and Walking

Other Books