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

Here's a fun and quick way to help kids learn about intervals of 10. Skip count by 10 to complete the game!

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

Math learners hone their multi-digit addition skills in this interactive game show!

Players navigate rivers and streets while demonstrating their knowledge of factors and multiples.

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

Players use their knowledge of factors and multiples to help their dinosaur win this math battle.

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

10, 20, 30, 40... These are just some of the numbers your child will know by the time he is finished with this fabulous ski racer multiplication game!

Help children hone their number sense skills with this math game featuring skip counting by 10!

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

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

Addition experts, come on down! Practice quick-thinking two-digit addition in this educational game that tests off-the-cuff adding skills.

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

Kids must match digital and analog clocks that show the same time.

Hone mental math skills and boost knowledge of factors and multiples in this skateboarding adventure.

Help fourth-grade learners hone their number sense in part two of this high-flying math game!

Help Roly to catch all the dinos in this high-flying fourth grade math game!

Boost learners' grasp of number theory with this online math game all about factors and multiples!

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

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

Children hone skip counting skills as they help the woodpecker peck the boards in numerical order.

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

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

Let's play a fun game show to practice numbers and skip-counting! This game introduces kids to skip counting on the hundreds chart.

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

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

Kids show off their reading comprehension skills with this quiz, written to recall details from the informational text Flightless Birds.

9 is just one less than 10! Use that fact to practice the 9's multiplication facts in this fun ski racer game.

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