Fractions game at multiple levels.

Variety of math games available at PBS Cyberchase

Nightly fun math problems for families (at multiple levels). Also available on Bedtime Math app.

Play Zoombinis and guide the little blue creatures through fun and increasingly challenging puzzles on their way to a new home.

DragonBox Numbers brings math to life by turning numbers into colorful and relatable characters, called Nooms, which can be stacked, sliced, combined, sorted, compared and played with, any way your child pleases.

Motion Math has apps for number lines (Zoom), fractions, addition, etc.

NCTM's Pick-a-Path app has seven levels with seven puzzles will test your skills with powers of ten, negative numbers, fractions, decimals, and more.

Door 24 is a fluency app in which students use number facts, order of operations, and number relationships to create expressions that are equivalent to 24. Puzzles are at a large range of levels.

EDC's SolveMe Mobiles - Use logic to figure out how much each shape must weigh for the mobile to balance!

Kickbox - The goal is to position lasers and mirrors to knock all balls out of the penguin's path. The puzzles start off easy, but get progressively more challenging as you move through the seven intriguing levels.

Big Seed - The goal is to unfold the colored "seed" tiles to perfectly fill all the empty cells. Sound easy? Try it out!

Bugs and Numbers - an app for younger students based around 3 stages. " Designed around a bug city, each game is crafted for a basic set of math skills with an eccentric and fun parallel to our own society."

Muggins

Shut the Box

Rush Hour

Sudoku