Kids make three-digit numbers with hundreds, tens, and ones in this game.

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

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.

Review and polish subtraction skills in this three-digit subtraction game for second graders!

Choo-choo! Kids use a number line to solve three-digit subtraction problems in this fun-filled train game.

Put 'em in coach! Kids round three-digit numbers to the nearest ten or hundred in this number line game.

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

Help your child hone their three-digit subtraction skills with this digital learning adventure!

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

Practice rounding three-digit numbers while reeling in prehistoric fish in this unique math game.

What happens when you take 10 away? Practice finding 10 less in this three-digit subtraction game.

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

Polish your three-digit rounding skills and round to the nearest hundred in a fun math race.

2, 4, 6, 8... get excited about multiplying by 2 with this exciting ski racer game!

Kids compare three-digit numbers at the swamp in this silly game.

Practice your motor skills in this fun bone chasing game!

Learners use knowledge of three-digit place value to find the correct number based on the clues.

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

Place value and paleontology come together in this dinosaur-themed math game!

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

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

Race to the finish line while boosting math skills in this fun number sense game!

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

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.

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

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

Children practice rounding numbers to the nearest 10 in this underwater number sense game!

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