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?
CCSS: 3.OA.1, 3.OA.3, 3.OA.7, 4.NBT.5, 4.MD.3, 5.NBT.5
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from Yummy Math https://www.yummymath.com/2017/how-many-cars-are-there/