# Early math

Continue practicing

Up next: Add within 5

52 / 101 exercises complete

Continue practicing

Up next: Add within 5

52 / 101 exercises complete

Contents

Addition and subtraction within 20

Up next: Add within 20

Addition and subtraction within 100

Up next: Subtract 1-digit numbers with regrouping

Addition and subtraction within 1000

Up next: Break apart 3-digit addition problems

Measurement and data

Up next: Measure lengths 1