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.

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

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

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

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!

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

Kids practice adding small numbers in this silly addition game.

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

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!

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!

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

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

Kids practice counting up coins and adding money to this virtual piggy bank.

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

Help kids create complex sentences by adding prepositional phrases and wacky adjectives to simple sentences in this sentence spinner game.

Ask children to keep adding 5 in this skip counting game featuring two-digit numbers.

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

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

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

Match up subtraction facts to 20 in this engaging math game for second graders!

Kids practice placing apostrophes in contracts in this interactive space-themed game!

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