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

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

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

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

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

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

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!

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

Learners practice subtraction and patterns of one less in this underwater math race!

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

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

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

Introduce first graders to the concept of subtracting multiples of 10 in this exciting math game.

Kids must identify 3D shapes to keep Office Ice Cream from melting.

Kids race down the mountain by correctly subtracting multiples of 10 from two-digit numbers.

Kids practice comparing numbers from 50 to 99 with alligators at the swamp.

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

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

Think on your feet and find the missing numbers in these subtraction equations.

Kids must use a number line to compare numbers in this simple math game.

Kids use their skip counting skills to find the mystery numbers on a game show.

Kids boost their math skills while shredding the slope in this subtraction race to the finish line!