Education.com
Education.com: Counting Pizza Party
[Free Registration/Login Required] There's no pizza party like a counting pizza party! In this math game, students count the correct number of toppings and add them to the pizza to match the customer's order.
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Erikson Institute: Why One to One Correspondence Matters
A hallmark of accurate counting is when preschoolers begin to assign one number, and only one number, to each object as they count. We see this achievement when a child touches or tags each object in time with saying the counting words....
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Mega Math: One to One Correspondence
This site contains a simple example of one-to-one correspondence used in the real world.
Utah Education Network
Uen: Box It Up
This lesson engages students in reading comprehension and measurement activities related to Rod Clements's book, Counting on Frank. Students will write a summary about what the character found to measure. Students will then find objects...
Illustrative Mathematics
Illustrative Mathematics: G Mg, G Gmd Global Positioning System Ii
Satellites communicate with a GPS device and establish the distance between them and their locations. The set of points at a fixed distance from a satellite form a sphere so when the GPS receives its distance from a given satellite, this...