Mental math tricks - part 2

2023-11-20 09:44:47

Mental math tricks - part 2

36 x 25 = 900     480 x 25 =12,000    924 x 2.5 = 2,310

Can you see any tricks for doing these calculations in your head?

An editable Word docx, solutions/hints, and a PowerPoint form of this activity are available to Adventurer members.




Check out our first mental math activity here (2018) ... multiplying by 5, 50, 0.5, etc.

Download PDF Download Editable Files
Share this:
Comments (0)
    Display 1 - 10 Of total 0
    Raising the bar
    Recovery of the treasure from the 1941 sinki...
    Will this be an El Niño winter?
    The Oceanic Niño Index (ONI) started to show cha...
    How long will it take you to trick-or-treat?
    It's Halloween and this is your neighborhood. ...
    Leslie's Yummy Pumpkin Pie
    Every year more and more people come to our hous...
    How did they figure these tips?
      Act I:  This restaurant bill ha...
    What's wrong with this picture?
    We've gotten used to believing what we read or...
    Bowl by the hour or the game?
       What should you consider when choo...
    Will one roll be enough?
    Students can use the man or the ba...
    Crazy Twos (Two to the…s)
    Let your students practice manipulatin...