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

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

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

Which equation looks right? Review fact families and addition to 10 in this educational math game.

Which number is missing? Click on the number that fits each addition expression and win the race.

Help young learners identify the correct fact family equations in this exciting addition game.

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

Fill in these addition facts! This game challenges kids to match missing addends to each equation.

In this underwater game, children choose the correct subtraction expression for a given fact family.

How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.

Which subtraction fact is correct? Review subtraction fact families in this exciting math game.

Kids practice matching each addition equation to its missing factor in this interactive math game.

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

What happens when you take 10 away? Practice finding 10 less in this three-digit subtraction game.

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

Build up second graders’ math knowledge with a diving game about three-digit addition.

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

Players hone their two-digit addition skills as they match equations with their missing addends!

In this water-themed race, first graders use math and logic to fill in each addition equation.

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.

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

In this energizing math game, think about how different numbers can add up to 20.

Practice putting numbers in order with this simple number game, which focuses on numbers 1 through 10.

What number is that? Children identify numbers that fall between 1 and 10 in this interactive game.

Can you spot the number? Practice finding numbers from 1 to 10 in this educational math game.

Help children hone their number sense skills with this math game featuring skip counting by 10!

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

Learners hone their two-digit by one-digit addition skills in this underwater race to sunken treasure!