Grade 3
Grade 3
Measurement & Data 3.MD.C.5.a
5a. A square with side length 1 unit, called "a unit square," is said to have "one square unit" of area, and can be used to measure area.
5a. A square with side length 1 unit, called "a unit square," is said to have "one square unit" of area, and can be used to measure area.