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!

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

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

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

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

All aboard! Kids solve addition problems on a number line using 1, 10, and 100 unit manipulatives.

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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.

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.

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

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

Kids practice addition and subtraction with manipulatives in this silly shopping game.

Kids solve two- and three-digit addition problems by regrouping in order to help the Professor grow out his beard.

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

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

Kids sharpen mental addition skills with this silly construction math game.

Children dig up dinosaur fossils by adding 10 to multiples of 100 in this prehistoric game.

Kids must move fast to find addition pairs that total a target sum within 20.

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

Help second graders learn about addition facts to 20 in this online matching activity.

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

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