Speed has vast appeal to our students. It embodies risk, excitement, prowess and fun. Speedometers, a basic speed meter that displays instantaneous speed, also offers many applications for educators to teach math. Here are just a few…

**Basic Addition & Subtraction while reading meters:**

What is the difference between the two speeds?

**Integer Addition:**

Using the same question above, state the difference between the two speeds as a positive integer if speeding and a negative integer if below the speed limit (or vice versa if you would like)

**Percentage Above or Below:**

--Using the difference in the posted speed and the actual speed, calculate the percentage of difference.

--Using the percentage difference and the posted speed, calculate the actual speed

**Elementary Hypothesis Testing:**

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