Number Icicles

Number Icicles

Number Icicles (MathPickle, 2011) Give your students practice in skip counting. Download the puzzle-sheets here. PS. Some of the harder puzzles are purposefully impossible. It is essential that students get exposure to lots of impossible puzzles – without...
Intro to Skip Counting

Intro to Skip Counting

Intro to Skip Counting (MathPickle, 2010) Make your math class active by teaching real skipping.  In this video we go forward, backward and stand still on the number line. There is no royal road to geometry. Euclid Join the MathPickle community. Success! First Name...
Willie Wiggle Wiggle Worm

Willie Wiggle Wiggle Worm

Willie Wiggle Wiggle Worm (MathPickle, 2010) Willie Worm is an enjoyable and challenging visual spatial problem, which encourages persistence in problem solving, as well as providing students with a purposeful reason for practicing counting and writing numbers from 1...
Complete the Quadrilateral

Complete the Quadrilateral

Complete the Quadrilateral (Don Steward, 2013) Try finding the largest and smallest rhombus, rectangle, trapezoids etc. so their vertices  include a special point and the other vertices lie on the lattice points of a grid. The first half of the video is quite easy,...
Circus Tent Puzzle

Circus Tent Puzzle

Circus Tent Puzzle The best tents are the ones that have the smallest perimeter. Both of these tents have a perimeter of 7. That's the best you can do for $17. Each triangle is worth $3. Each square is worth $4. Given a tent price find the smallest perimeter. Let's...