Dino Soar | Adding 10 and 100 Game

Dino Soar - Practice adding 10 and 100 to three-digit numbers to develop number sense and understand place value. Click on the correct answers to help your dinosaur pick up speed and win the race!

Common Core Standards

Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.


Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.