Lower surface on which a solid object stands. The bottom line of a shape such as a triangle or rectangle
Kindergarten
45 SkillsGrade 1
76 SkillsGrade 2
72 SkillsGrade 3
95 SkillsGrade 4
85 SkillsGrade 5
44 SkillsThe Complete K-5 Math Learning Program Built for Your Child
Loved by kids and parent worldwide
Trusted by teachers across schools
Aligned to Common Core
Sign Up for SplashLearn