Logic Problems:

Research Papers

Grid-based Logic

Johnny had a research paper due at school right after the holidays. He felt a little better when he discovered that his best friends also had papers due. They were in different classes this year so didn't see each other much in school, though they spent virtually all of...

BRYLine:

Beginner 3

Logic: Shapes & Colors

Fill out all the cells in the line with the nine colored shapes, one shape per cell, in accordance with the clues

Geomatrix:

Beginner 1

Geometry & Deduction

Discover which one of the four dots surrounding a given letter is in fact the real one so that when all dots are assigned, all the clues are satisfied

Cut-Outs:

The Bubble Folding Puzzle

DIY, Hands-on

Cut out two halves of the strip and glue them together. Pre-crease along the diagonal dotted lines. Now the challenge is...

Matchsticks:

The Mountain

Segment-based geometry, hands-on

Eleven matchsticks are arranged into the shape of an isosceles triangle. An isosceles triangle is a triangle that has two sides of equal length...

Puzzle Stories:

Man on the Run

Deduction, Reasoning, Spatial

Jim ran 10 yards, then made a U-turn and ran 10 more yards. He then turned 180 degrees again and ran 10 more yards...

Kolocells:

Beginner 3

Logic: Colors

An arrangement is composed of an even number of circles. Paint each circle in one of the three prime colors in accordance with the clues provided