4.OA.4.b
Recognize that a whole number is a multiple of each of its factors.
Khan Academy ResourcesFactors and multiplesCommon denominatorsIdentify multiplesRelate factors and multiplesFinding common denominatorsIdentifying multiplesFactors and multiples: days of the weekReasoning about factors and multiplesFinding factors and multiplesCommon denominators: 1/4 and 5/6 Common denominators: 3/5 and 7/2

1-on-1 AI tutoring aligned to 4.OA.4.b. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →