Scientific Notation 8.EE.3. Objective(s)  I can write, add, and subtract numbers in scientific notation.  I can understand what is meant by the term.

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Presentation transcript:

Scientific Notation 8.EE.3

Objective(s)  I can write, add, and subtract numbers in scientific notation.  I can understand what is meant by the term leading digit.

Review

Vocabulary

Are the following numbers written in scientific notation? If not, state why.

Finding the difference

Step 1: Write in Standard Form

Step 2: Find the difference: 26,000, ,000 25,931,000

Step 3: Rewrite in Scientific Notation

On your output page… The table below shows the debt of the three most populous states and the three least populous states. StateDebt (in dollars)Population (2012) California New York Texas North Dakota Vermont Wyoming

Complete the Exercises Use the table to answer the following questions: StateDebt (in dollars)Population (2012) California New York Texas North Dakota Vermont Wyoming 1.What is the sum of the debts for the three most populous states? Express your answer in scientific notation. 2.What is the sum of the debt for the three least populous states? Express your answer in scientific notation. 3. How much larger is the combined debt of the three most populous states than that of the three least populous states? Express your answer in scientific notation.

In your groups…

Answer…

Rapid Response  I’m going to write a problem on the board, you need to respond by raising your board. I will tell you either yes or no, and give you direction as to what you need to fix.

Reflect  The leading digit in scientific notation MUST be between what numbers?  Why are we interested in writing numbers in scientific notation?

Lesson Quiz

Problem Set  This problem set is due tomorrow. YOU MUST EXPLAIN YOUR THOUGHT PROCESS.