Number theory
Here is a list of all of the skills that cover number theory! These skills are organized by grade, and you can move your mouse over any skill name to preview the skill. To start practicing, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!
Here is a list of all of the skills that cover number theory! To start practicing, just click on any link.
Thirdgrade skills

A.1

Q.1
Fourthgrade skills

D.7

E.18
Fifthgrade skills

F.New! Identify factors
Sixthgrade skills

E.4

E.13
Seventhgrade skills

A.11