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
    When will WORDLE run out of words?
      Have you played it yet? If so,...
    Microns and Masks
      How big is one coronavirus? How big is a m...
    The Last Great Race on Earth
    The Iditarod Trail Sled Dog Race is an annual even...
    NHL Playoff games can sure last a long time!
    Revised! We're watching another Stanley Cup...
    2 Hiking Activities
    How much food do you need to carry to hike the A...
    Federal debt and deficit - What are they?
    What's the big deal with our national debt? ...
    How many baseballs are in this truck?
    In 2017, Old Dominion Freight Line offered...
    Extra point or 2-point conversion - Updated
    In 2015 the NFL changed the extra point kick...
    Do teams that spend a lot win a lot?
     In this activity students compare team wins ...