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
    Coronavirus trends
    Johns Hopkins University of Medicine has a team ...
    Are original movies better than their sequels?
    We've gathered some data on movie ratings and ...
    What's my angle?
    I'm going to help save the planet by adding so...
    Refugees from Ukraine
    We are hearing a lot about the war in Ukraine. C...
    Measuring sea level
    What does this gizmo do? ...
    The Euro and the international debt crisis
    Lately the news is filled with talk of the Euro,...
    Valentine's Cardioid
    WojciechSwiderski at the Polish l...
    Mardi Gras, 2023
    Updated for 2023! Tuesday, February 21, 202...
    The LEGO transit time
    In this updated activity, s...