How many cars are there?

PartialArray2

I came home from work to find that my son had his cars organized in a tight parking lot on our front porch. How many cars are there? Is it an array and if so, what size array could it be or what arrays are possible? How many rows and columns? What is reasonable, how much is too much? Below is a video version of our power point for the activity, which guides the class through steps in the activity.  You can use the video, just beware to keep stopping the video at key points as the solution appears at the end of the video.

HowManyCars from YummyMath on Vimeo.

Act Two Handout:  ActTwo–HowManyCars-B&W.pdf     ActTwo–HowManyCars-color.pdf

CCSS: 3.OA.1, 3.OA.3, 3.OA.7, 4.NBT.5, 4.MD.3, 5.NBT.5

For Members we have a PowerPoint for the activity which is easier to control than the movie and  teaching notes with solutions:  HowManyCars.pptx    HowManyCars-teacher-talk.pdf

Check out all of our activities at our Birds Eye View Page

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