This video shows one way to scaffold student learning as they use an open number line to order numbers.
Conservation of Number
This video shows one example of how to model conservation of number and demonstrate that the last number said tells the number of objects in the set ...
Drunk gets picd on @ concert, wakes up w pisd pant
Using a Rekenrek to Represent, Compose, Add and Subtract Numbers
This video provides brief examples of how to represent, compose, add, and subtract numbers using a rekenrek.
Properties of Numbers and Operations
This video shows two examples of how to use properties of numbers and operations to add and subtract to find various unknowns.
Read and Represent Numbers
This video shows how to use a rekenrek and a double ten frame to read and represent numbers.
Compose and Decompose Numbers More Than One Way
This video shows how to decompose numbers in more than one way.
Compose Numbers
This video shows how to use base ten blocks to compose and decompose numbers and represent numbers in expanded form & expanded notation.
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