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What type of model would you use to illustrate the following question? How many students are in the Greenwood Library?

The following number, 23.4 is illustrated using base 10 blocks. Which type of block would represent the unit in the figure below?    

A student was solving the following problem.  Explain the following in complete sentences. a.) Explain what took place in Step 1, the transition to the next step and in Step 2. b.) State the final answer to this addition problem.        

A student was solving the following problem.  Explain the following in complete sentences. a.) Explain what took place in Step 3, the transition to the next step and in Step 4. b.) State the final answer to this addition problem.  

The Egyptian and the Roman numeration systems had this in common with each other.

The following is a number expressed using the Roman numeration system.  Write the number in our numeration system.

There are two conceptual models for addition and subtraction.  What are the two models?

Express “how many” teddy bears there are in base 7.   (Only type the number. Do not type the base)

The following is a number expressed using the Egyptian numeration system.  Write the number in our numeration system.  

In base 8 there are _____ digits?