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
    It's almost summer now
    How much wat...
    Starbucks Sales and Nutrition
    Kick off the activity with starter slides that spa...
    The odds of horse race betting
    Rich Strike surprised everyone at the Kentucky D...
    Video game console sales
    Updated November 2022! The video game w...
    Do I have enough wrapping paper?
     In this problem based activity students...
    How many movies can you see in one day?
    Robert Kaplinsky at robertkaplinsky.com shared thi...
    Whole lot of cookies
    This activity has been u...
    The growth of Godzilla
    Image from Kris Holt: http://www....
    It might be a good year to see the Perseid meteor shower
    Catching a productive meteor shower can ...
    Shamrock Shake
    For Saint Patrick's Day add a little nutrition m...