Demonstrate the process of adding and subtracting mixed numbers using a video tutorial. A video instructor explains the steps of combining mixed numbers as she works through several examples. The examples add and/or subtract up to four numbers in a single problem.

Concepts

mixed numbers, addition mixed numbers, subtraction mixed numbers

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Additional Tags

math

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Instructional Ideas

• After showing the first example, pause the video to allow individuals to attempt the next example; play the video to check answers
• Assign the video as homework to allow more class time for practice

Classroom Considerations

• Pupils should be proficient with adding and subtracting simple fractions prior to the lesson

• This video is hosted on YouTube

Pros

• Explains each step and shows the related work

Cons

• Uses only one method with all the examples; various methods are possible

Common Core

4.NF.B.3.a