Why are units important?

​Take a quick quiz.

Answer the questions as accurately as possible.​

Multiple Choice

Sally road her bike to school, which of the following is the best description of her speed.

• 10

• 12

• 5

• 8

Multiple Choice

Running a race is exciting, choose the fastest acceleration from the start line.

• 1

• 2

• .5

• 4

Multiple Choice

After measuring the distance that the walker walked and measuring the time of the walk, John was able to calculate the speed of the walker. Which answer is the velocity of the walker?

• .86

• .86

• .86

• .86

​How did you do on your quiz?

Open Ended

What was missing from the answer choices that made it hard to find the answer?

Poll

Does it matter whether you add units to your answers?

• sometimes

• always

• it depends on the teacher

• no

​Many answers missed on your Formative were because of units.

​PLEASE ADD UNITS TO ALL ANSWERS. WRITE THEM DOWN. FIGURE THEM OUT. UNITS MATTER!