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
    Nobel prize in physics 2013
    François Englert and Peter W. Higgs ...
    New Mega Millions (probability)
    In this activity, students apply their u...
    More eruptions on Hawai'i's Kilauea
    The Volcano Kilauea is continuing to spew ...
    A&W's Third Pound Burger
     In 1980, A&W offered a bigger and tastie...
    2026
     As the new year approaches (where did the ti...
    Median age of country populations
    Interesting map! Why median? What are the implic...
    Games with dice
    Time to let students become naturally curiou...
    Free Flights?
    This can't be righ...
    What is an atmospheric river(AR)?
    North America from space. Elements furnishe...
    Viral Growth - Talk like a Pirate Day
    Sunday, September 19th is "Talk like a Pirate Da...