Stamp Multiplication. Can you figure out what the problem is from the layout? Hint - multiplication is how many times we "take" a number...
Friday, April 29, 2011
The Timeline of Measurement
The Timeline of Measurement provides the cultural context for the study of measurement systems. How did measurement systems begin? Why did they change through time? What is the difference between the customary system and the decimal system? And, of course, we now know that "King Henry Doesn't (USUALLY) Drink Chocolate Milk!"
Older students get a concrete introduction to multiples and factors before we introduce how to use them for LCM and GCF. Students love the "race" of the multiples...who will "win"?
The bead chains allow for a concrete representation of skip counting, squaring, and eventually, cubing. The bead frame allows for a complete understanding of "magic zeros." Are you really just "adding" or "moving" the zero when multiplying by a base ten? Montessori students know the answer and the reason!