Lesson 4 Area of Rectangles
Let’s find the area of more rectangles.
Warm-up Which One Doesn’t Belong: Area and Arrays
Which one doesn’t belong?
Activity 1 What Did I Create?
Can you and your partner draw the same rectangle without looking at each other’s drawing?
Partner A: Draw a rectangle on one of the grids provided. Describe it to your partner without telling them the total number of squares.
Partner B: Draw the rectangle your partner describes to you.
Place your two rectangles next to each other. Discuss: What is the same? What is different?
Switch roles and repeat.
Activity 2 Find the Area
Find the area of each rectangle and include the units. Explain or show your reasoning.
Find the area of the rectangle. Explain or show your reasoning.