Sunday, 15 October 2017

Prime & Composite Numbers

On Friday we learned about prime and composite numbers. Before learning about this concept, we needed to review what factors and products are. Here is a link to a presentation that can help students to better understand these concepts. This may be helpful to review later for a quiz. Please feel free to download, save, copy and distribute these presentations any time. They are being made to be used. The more people they can help, the better!

Prime and Composite Numbers

One area that students have difficulty with in this lesson is identifying the prime numbers that can be multiplied to create a composite number. The example in the presentation is helpful. I teach students to use a "factor tree" to identify the prime numbers. Here is a video to better explain:

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