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.

Activity Solutions & Supporting Materials
Share this:
Comments (0)
    Display 1 - 10 Of total 0
    At least the days are getting longer
    What's your guess?  How fast are the ...
    Ravensburger huge puzzle
     This puzzle is gorgeous and HUGE! Rave...
    Refugees from Ukraine
    We are hearing a lot about the war in Ukraine. C...
    Holiday Movies
    In this updated activity, students will explor...
    Lots of Cranberries
     The harvest must be nearing completion now ...
    Steepness and fall hiking
    Fall is a beautiful time of year for hiking....
    It's latke time
       In Leslie's family it is tradition...
    Curling
    Friction, score-keeping, trajector...
    Will the Barbie movie out-perform Avatar at the box office?
    The Barbie Movie is still doing well in the thea...
    Are baseball games getting longer?
      March 28th, 2018 was opening day for t...