. Grade 7, Illustrative icon

Thunder and Lightning

Illustrative MathematicsVaries

The purpose of this task is to work on performing unit conversions in a real world context about the speed of sound. While the nature of the task appears to fit 6.RP.3d, the numbers involved make this a 7th grade task (6th graders work primarily with ratios of whole numbers). Seeing lightning and waiting to hear the accompanying thunder is a common experience. This task examines one side of this scenario: the time it takes for the sound from the lightning strike to reach Alyssa.

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