Children use their mental math skills to determine which equations add up to 20 in this math game.

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

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

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

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

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

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

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

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

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

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

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.

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

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

Kids practice two-digit addition to 100 in this action-packed number line game.

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

Add 100 to three-digit numbers and find the matching sums in this exciting Dino Fishing game.

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

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

Get ready to add 10 more! Analyze expressions like "110 + 10" and calculate three-digit sums.

Are you ready to add 10 to numbers over 100? Reinforce students’ learning in this ski-themed game.

Reinforce your child's three-digit addition skills with this ski-themed learning adventure!

Only your kid's addition skills can help Secret Agent Floyd defeat the evil El Gato.

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