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
    C and F
    This activity begins with explorin...
    Triple Crown hopefuls at the Preakness
     Credit: AP Photo/Garry Jones Saturday, ...
    Do teams that spend a lot win a lot?
     In this activity students compare team wins ...
    The new largest Lego set ever - The Roman Colosseum
    Note: This is a remake of our 2014 and 201...
    It's almost summer now
       How much water do you ...
    How many Smashburgers?
    Egad!   There must be a million w...
    How much do the movie tickets cost?
    Ooops! I was supposed to buy 4 adult and 2 ch...
    Chocolate Milk Account
    🔔 Free Trial Alert! In this activity, student...
    Extra point or 2-point conversion - Updated
    In 2015 the NFL changed the extra point kick...
    Pizza party figuring
      In this activity students decide how to ...