Area How can I use multiplication to find the area of a rectangle?

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Presentation transcript:

Area How can I use multiplication to find the area of a rectangle?

Standard MCC3.MD.7 a. Find the area of a rectangle (1-digit x 1-digit rectangular arrays to match multiplication facts) with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths b. Multiply side lengths to find areas of rectangles with whole number side lengths in the context of solving real world and mathematical problems, and represent whole- number products as rectangular areas in mathematical reasoning

Number Talk

When would we ever need to know the area of something? Lets make a list….

Word Problem #1 Tina is putting grass in her backyard. She needs to know the area of her backyard to know how much grass she will need. Her yard is 10 feet long and 6 feet wide. What is the area of her backyard?

Word Problem # 2 Tim is going to put tiles on his bathroom floor. He needs to know the area of the floor to know how many tiles he needs. His floor is 5 feet long and 4 feet wide. What is the area of his bathroom?

Guided Math Complete Area page Guided Math Groups

Closing When would someone need to find the area of something?