Logic Problems:

Keep on Trucking Diner

Grid-based Logic

Harriet worked in the Keep on Trucking Diner, a small establishment off the Interstate highway that, not surprisingly, catered to the constant stream of...

BRYLine:

Advanced 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 3

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 Checkered Snowflake Folds

DIY, Hands-on

Folding the Snowflake just along the lines between its triangle cells, form a perfect, gapless, perfectly checkered (in two colors on one of its sides), flat hexagon of the biggest size

Matchsticks:

Turn the Fish

Segment-based geometry, hands-on

The fish, formed of 8 matchsticks, is swimming to the left...

Puzzle Stories:

Pocket Money

Deduction, Reasoning, Spatial

This morning Sam’s dad decided to test his son’s math progress at school. He put six pieces of clothes in front of Sam, each with a different number of pockets...

Kolocells:

Beginner 4

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