Connect factorizations to the multiples of given numbers with a video that shows the first five multiples of different numbers. The instructor emphasizes the relationship between the multiples and the factors of the original number.

Concepts

multiples, factors

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Additional Tags

math

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Instructional Ideas

• Post the video for absent pupils or those needing extra instruction
• Use board work to check for understanding of the concept of multiples

Classroom Considerations

• Expects fluency in multiplying two-digit whole numbers

• This video is hosted on YouTube

Pros

• Instructor uses the concept of multiples to reinforce other mathematical concepts
• Explains the process both verbally and with detailed written work

Cons

• None

Common Core

4.OA.B.4