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These are the notes and examples from class.

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300 possible mastery points

About this unit

Ready to put your math skills to the test? In this lesson, you'll learn all about area and perimeter! You'll explore how to find the area and perimeter of a rectangle. You'll practice labeling rectangles with given information, and you'll even get to flex your problem-solving muscles with some word problems!

Level up on all the skills in this unit and collect up to 300 Mastery points! Start Unit test

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Area and perimeter | 4th grade | Math | Khan Academy

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Ready to put your math skills to the test? In this lesson, you'll learn all about area and perimeter! You'll explore how to find the area and perimeter of a rectangle.

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Comparing with multiplication (video) | Khan Academy

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

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Throughout the Nearpod, students can write on the problems to show their thinking.

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Engage and assess your students in every lesson!

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Brain Workout Missing Digits Addition | Math Playground

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Interactive Brain Workouts at MathPlayground.com! This addition problem is missing quite a few digits. Can you solve it?

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Subtracting: Regrouping from zero | Addition and subtraction | Arithmetic | Khan Academy

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Borrowing once example 1 | Addition and subtraction | Arithmetic | Khan Academy

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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This strategy can be used when subtracting across zeroes. This helps to avoid regrouping zeroes by taking one away from each number. At times, you may still need to regroup after you subtract 1.

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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Interpreting bar graphs (colors) | Math | 3rd grade | Khan Academy

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Khan Academy (addition, subtraction with estimation)

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Khan Academy (addition, subtraction with estimation)

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Addition, subtraction, and estimation | 4th grade | Math | Khan Academy

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Addition and subtraction are key skills for any math whiz. In this unit, you’ll sharpen those skills by working with multi-digit numbers. You’ll also learn how to round and estimate, so you can quickly make calculations even when you don’t have a calculator handy.

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Write numbers in written form (practice) | Khan Academy

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Writing a number in expanded form | Arithmetic properties | Pre-Algebra | Khan Academy

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Write whole numbers in expanded form (practice) | Khan Academy

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Practice reading and writing numbers written in expanded form. Example: The expanded form of 376 is 300 + 70 + 6.

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These are the anchor charts the students see in class

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These are the anchor charts the students see in class

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When you look on the left side you will see additional videos and practice questions.

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If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

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Your race car will have a number beside it. Run into the fuel tank that has a factor of that number to get extra fuel. Hit the wrong tank and you'll lose fuel. See how far you can go before you run out of fuel or crash! Collecting coins add to your score. Also, if you want to reset the high score just click on the High Score field on the menu to do so.

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Math Speed Racing Factors Practice factoring online.

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Your race car will have a number beside it. Run into the fuel tank that has a factor of that number to get extra fuel. Hit the wrong tank and you'll lose fuel. See how far you can go before you run out of fuel or crash! Collecting coins add to your score.

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This is a resource we have used in class. Once you accept the cookies, on the top left click the three lines and select categories. Once you start scrolling down you will see the Mathematics category and to practice the Multiplication Table.

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Join an activity with your class and find or create your own quizzes and flashcards.

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Brain Workout Missing Digits Subtraction | Math Playground

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Interactive Brain Workouts at MathPlayground.com! This subtraction problem is missing quite a few digits. Can you solve it?

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Drag 'N' Drop Math is an online workshop in which students can easily complete multi-digit addition, subtraction (with regrouping), multiplication, and division problems, using big and small draggable numbers. The workshop is totally customizable and gives immediate feedback. This is one of the top ten most popular programs on mrnussbaum.com

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Drag 'N' Drop Math is an online workshop in which students can easily complete multi-digit addition, subtraction (with regrouping), multiplication, and div

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Bar Graphs For Kids | Math | Grade 4 & 5 | Tutway