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

Children practice adding two-digit and one-digit numbers to dig up fossils in this math game.

Add one and find the sum! In this game, children practice number and pattern recognition skills.

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

First graders hone their addition skills of adding one more with this water rafting math adventure!

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

Practice two-digit addition and adding multiples of 10 in this Dino Fishing math game.

Children will solve addition word problems in order to help Roly make it across the river!

Practice addition to 100 using multiples of 10! This game highlights two-digit addition math.

Children hone their multi-digit addition skills in this fun race to the finish line!

Hone first grade addition strategies with this underwater math adventure!

Practice essential first grade addition skills in this river-themed math game!

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

Children use their knowledge of addition to snap pictures of unique dinosaurs in this fun math game!

First graders gain confidence with addition and decomposing numbers in this fun water rafting game!

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

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

Kids solve a multi-step word problem by counting out the right number of coins.

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

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

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

Children will love racing to the finish line while boosting their addition and mental math skills.

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

Children race down the river and across the finish line by choosing the equations that make 20.

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.

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

First graders match the cards that equal the same value in this mental math matching game.