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3rd grade

Course: 3rd grade > Unit 10

Lesson 3: Area formula intuition
Math
3rd grade
Area
Area formula intuition
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Area of rectangles with partial arrays

Google Classroom

Problem

A square.
is 1 unit square.
What is the area of rectangle A?
A rectangle labeled Rectangle A covers 5 rows and 7 columns of the grid.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
square units
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