Numberman's Pizza Party | Three-Digit Addition - Adding 10 Game

Numberman's Pizza Party - A strong foundation for place value and number sense is important in gaining fluency with three-digit addition. Pizza, the ultimate force, gives Numberman his extraordinary abilities. Help Numberman chow down on delicious slices and gain power by choosing the correct answers.

Common Core Math 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.