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
    Germ-Killing Wipes
    In this activity, students get to di...
    Veterans Day, 2023
    This activity will be updated before October, 2026...
    Magic Squares
    Though it is not our usual real-world applic...
    How should I spend my rewards?
    There's a new way to earn rewards at many groc...
    Hybrid, Electric or Gasoline
     Gas prices are up, EVs are everywhere, and h...
    It might be a good year to see the Perseid meteor shower
    Catching a productive meteor shower can ...
    President's Pay for Presidents' Day
    You can't run for President now...
    The HAT tessellation
      An Einstein aperiodic tile has just b...
    Cookie Calculations
    In this activity, student...
    National Donut Day (2 activities)
     Friday, June 5th, is National Donut Day. &nb...