Online game
Dino Bones: Two-Digit Addition Within 100
Unlock Assignments
Assignments are available to Premium members only.
Upgrade to Premium membership to assign worksheets, games, and more to your child.
Calling all archaeologists! In Dino Bones: Two-Digit Addition within 100, children must correctly solve addition problems to dig up bones and create complete dinosaur skeletons. By practicing two-digit by one-digit addition, first graders can try out different strategies for adding as they play this online game, sharpening math skills and laying a foundation for more complex learning over time.
Related learning resources
Dino Fishing: Two-Digit Addition and Finding 10 More
Game
Dino Fishing: Two-Digit Addition and Finding 10 More
Practice two-digit addition and adding multiples of 10 in this Dino Fishing math game.
1st grade
Math
Game
Ski Racer: Two-Digit Addition and Finding 10 More
Game
Ski Racer: Two-Digit Addition and Finding 10 More
Practice addition to 100 using multiples of 10! This game highlights two-digit addition math.
1st grade
Math
Game
Dino Photoshoot: Two-Digit Addition Within 20
Game
Dino Photoshoot: Two-Digit Addition Within 20
Children use their knowledge of addition to snap pictures of unique dinosaurs in this fun math game!
1st grade
Math
Game
Treasure Diving: Adding Two-Digit and One-Digit Numbers
Game
Treasure Diving: Adding Two-Digit and One-Digit Numbers
Learners hone their two-digit by one-digit addition skills in this underwater race to sunken treasure!
1st grade
Math
Game
