Topic
Activities about place value
Germ-Killing Wipes
In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does...
Math and Science
Grades 5–7
Hexadecimal coloring
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first...
Number Sense
Geometry
Grades 5–HS