Impress your parents at dinner

2023-11-20 09:44:37

Impress your parents at dinner


This activity is the first in our series on mental math tricks.  Let your students develop their own individual way of mentally multiplying by 0.5, 5, 50, 500, and so on.  We have a little practice and a requirement for students to make sense of and verbalize or draw a picture of their conclusions as to why this works.


Activity Solutions & Supporting Materials
Share this:
Comments (0)
    Display 1 - 10 Of total 0
    Big gulp
    Do you or your students love sugary drinks? &nbs...
    Population Clock
    How in the world does this clock conclude that...
    Nobel Prizes
    The Nobel Prizes have just been awarded. This is...
    Steve Jobs 1955 - 2011
       "Steve leaves behind a company that ...
    Powerball, Mega Millions, and probability
    Updated! See the new post by searching "Mega...
    Methane math
    Updated!  Carbon dioxide and methane ...
    A&W's Third Pound Burger
     In 1980, A&W offered a bigger and tastie...
    A geodesic icosahedron, the Times Square New Year's eve ball
     Image by kjpargeter on Freepik It's a g...
    Which TV is the Best Deal?
    Check out the TVs.  All have essentially th...
    Curling
    Friction, score-keeping, trajector...