Week of October 3:

5th Graders will continue to work on new multiplication strategies this coming week.  They are in a new learning curve that does not feel completely comfortable yet, but will save them so much calculation time as they familiarize themselves with these strategies.  Below is a sample of four of the strategies they will be using.  Perhaps you and your child can try these out using various numbers.

The new strategies are:
Using Partial Products through a ratio table:

Over Strategy:

Doubling & Halving:

  25 x 36
  50 x 18
100  x  9 = 900

Five is Half of Ten:

Over time, students will become more fluent with these strategies and more proficient mathematicians as they calculate larger numbers.