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!

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

Give learners plenty of practice solving addition word problems with this math game!

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.

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

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

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

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

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

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!

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

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

Kids practice mentally adding sums up to 30 in this fast-paced addition race.

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

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

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

Kids mix up a potion to help Professor Beardo grow out his beard, and practice place value, in this multi-digit addition game.

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