3X3 OkiDoku Puzzles

You need a Chrome browser to play the puzzles.  These puzzles use the numbers 1..9. Each page contains four puzzles.  If you solve a puzzle correctly you get  a code. Single Single Addition (Play)    Single Addition (Print) Video

Triple Multiplication (Play) Triple Multiplication (Print)

Single Addition with Fractions (Play)  Single Addition with Fractions (Print)