Number Puzzles

TIGO Puzzles

Step Puzzles by Naoki Inaba – A Logic Puzzle for Introducing Arithmetic Sequences

Is it Possible Divisibility Puzzle

Genius Blocks

Nine Squares Puzzle

Twelve Envelopes Puzzle

Twos to Nines Challenges

Factor Tree Puzzles Inspired by Dr. Harold Reiter

Hidden Equation Puzzles

Sum to Twenty Puzzle by Marcy Cook

Maximize the Sum Puzzle

Strimko Logic Puzzles Review

Perfect Square Puzzle

Post-It Note Puzzle

How Far Can YOU Climb? – An Activity by Frank Tapson

Angle Mazes by Naoki Inaba

The 5-4-3-2-1 Challenge

Japanese Logic Puzzles for the Secondary Math Classroom

Area Maze Puzzles from Naoki Inaba

KenKen In The Classroom

Futoshiki Puzzles

Petals Around the Rose

Hashi Puzzles

Shikaku Puzzles

Nonogram Puzzles

Four Fours Challenge Activity

31-derful Puzzle