Students explore multiplication concepts.  In this multiplication instructional activity, students define "array" and draw several arrays to represent multiplication number sentences.  Students construct arrays on the computer...

What do logarithms have to do with bone density? Scholars learn that the equation for bone density includes logarithms. The majority of the third lesson of seven is devoted to logarithms and their properties.

Fourth graders explore factors of numbers from 1 to 50. They gain practice with basic facts and multi-digit multiplication problems. Students practice the commutative property. They discover the link between multiplication and...

Investigate how public key cryptography works. Scholars continue their study of one-way functions and asymmetric keys and apply this information to public key cryptography. They use an app to explore public key cryptography and its...

Elementary schoolers solve six problems, multiplying by multiples of 10. They line up the numbers as shown and then check their answers online.