This free addition game for kids lets students practice addition up to 25. Players have five rounds to answer addition problems using virtual manipulatives. Once all five rounds have been completed, students have the opportunity to play "Marble Drop Addition."

Based on the Common Core Curriculum, Marble Math is an engaging way for upper elementary students to practice mental math. Earn new marbles and collect bonuses while reinforcing key concepts in pursuit of a high score.

We turned this popular carnival game into a fun learning opportunity. From estimation to subitizing, multiplication, addition, and subtraction, this marble jar is full of surprises. Simply drag and drop the marbles into the jar, where they’ll bounce, roll, and settle into place.

Marble Math is a fun, engaging way to practice and reinforce core math concepts in support of classroom learning. The object of the game is to solve a variety of math problems by collecting numbers and bonuses as you navigate a series of mazes …

Earn new marbles and collect bonuses while practicing multiplication in pursuit of a high score. But watch out math whizzes! You’ll need to be focused and nimble to avoid the obstacles in your path. WRONG ANSWER? NO PROBLEM:

For ages 9-12+ Practice basic math skills on your phone or tablet by rolling or dragging your marble through a series of mazes to complete problems. Unlock new marbles, collect bonuses and dodge obstacles as you reinforce core concepts in pursuit of a high score.

This free addition game for kids lets students practice addition. Players capture marbles to create addition sentences that equal the number given. Once the student has caught marbles that equal the number provided at the top of the screen, they click "+" to check their work.

In the game of Math Lines, your target is to remove the marbles by forming pairs that sum up to 10 so as to clear the line. When the game starts, a line of marbles marked with numbers 1 to 9 will be rolling on the path of a maze and moving towards the hole at the end of the path.

Are you ready for Marble Math Addition? You'll add numbers. There are five levels to beat. After all levels, you get a cool bonus game! To change levels, get 80% or more right. Use the marbles to help you count!

A set of 36 Marbleslide Challenges to run throughout the year. You can use teacher pacing to unlock a new challenge each week. These challenges can be used with any level from Algebra 1 through and beyond Calculus. Encourage higher level students to use fewer equations to increase the difficulty level.