Use our present need for cleanliness to engage your students. Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs? In this activity, we’ve asked students to consider whether these claims about these two…

# Tag: 8.NS.1

## It’s time to gear up for Pi Day

8 activities to help celebrate π in your school and in your math class. Activities that demonstrate how π was derived; visually show why π makes sense; show a surprising place where π is used; increase students ability to measure and long divide; applauds the talent of people who can memorize large strings of numbers; and lets students just have fun.