Landmarks+and+Large+Numbers

Welcome to **Landmarks and Large Numbers**! In this math unit, we will focus on strategies for adding and subtracting whole numbers. The Enduring Understandings below are what all fourth graders will understand by the end of this unit. The Essential Questions are the important questions that we will consider and find answers to throughout this unit. Also below are listed explanations of math problems and strategies and any other important or interesting information about our learning in math.



With the right strategy, I can add and subtract faster than a calculator. Landmark numbers make adding and subtracting mentally much easier. Strategies that utilize multiples of ten makes everything easier. I should choose a strategy that is most suited to the situation.



What are the most important quantities in this problem? Can I figure this out in my head and explain it to someone else, or do I need to write it down to keep track of my thinking? Is there a quicker way? How can I improve my thinking about these numbers so I don't have to grab a pencil or calculator?
 * //Our class thoughts and answers:// ||
 * //Our class thoughts and answers:// ||
 * //Our class thoughts and answers:// ||
 * //Our class thoughts and answers:// ||


 * **Additional Class Thoughts and Explanations about Things We've Learned in Landmarks and Large Numbers:** ||