MA19.3.21

Mathematics (2019) Grade(s): 3

MA19.3.21
Count unit squares (square cm, square m, square in, square ft, and improvised or non-standard units) to determine area.

Unpacked Content

Knowledge

Students know:

area is a measurable attribute of two-dimensional figures.

Skills

Students are able to:

Determine area of a rectangle by counting unit squares.

Understanding

Students understand that:

A unit square is a square with a side length of 1 unit, and that such a square represents a unit of measurement.
The area of a plane figure is measured by counting the number of same-size squares (unit squares) that exactly cover the interior space of the figure.

Vocabulary

Unit square
Length
Plane figure
Square cm
Square m
Square in
Square ft
Improvised
Non-standard unit

Design by Adaptive Theme