Dive for treasure and missing factors in this online game featuring addition equations.

Think about how numbers are related in this interactive game about addition fact families.

Mama mia! Kids must use subtraction skills to craft perfect pizzas in this game.

Children must choose the correct addition expressions as they race to the sunken treasure chest.

Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.

Children complete a race by choosing the correct addition expressions for the given fact families.

Kids practice place value for numbers 11 to 20 in this ten-frame game.

Kids practice adding and taking away 10 in this silly game show.

Compose numbers to make 20 and build first grade addition skills in each round of this online game.

Counting and adding get served up in this game that challenges kids to add toppings to a giant pizza.

Learning number shapes gets a fun makeover in this matching card game.

Players race down the roaring rapids while practicing subtraction patterns of one less.

Kids match common 2D shapes with their 3D partners in this interactive memory game.

Kids must find the item that doesn't belong in this categorizing quiz.

Kids hover among the clouds and try to find all the right numbers from 11 to 20.

Pass the peas! Kids identify two-digit numbers based on tens and ones.

Kids sort items based on the materials they're made with: brick, straw or sticks.

Kids click on bubbles that add up to 10 to try to keep the bubbles from overflowing.

Play this snow-themed game, in which students practice using patterns to add within 10.

In this matching game, first graders look at subtraction facts that are missing factors.

Kids practice concrete counting and simple addition at the pizza parlor.

Children practice identifying numbers 0-10 in this learning adventure that takes place under the sea!

Help kids build place value understanding by fixing this machine with tens and ones.

Kids compare subtraction equations and numbers to feed the gators in this game.

Kids must help Cuz-Cuz and Birdee read bar graphs in this colorful data game.

Ski Racer: Compare Numbers 1-10 is a fun and challenging way to practice comparing and evaluating numbers.

Kids learn to master telling time with analog clocks in this matching game.

Let’s practice our subtraction facts! Find the number that matches each subtraction statement.