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
    Fantasy Football (2025)
     We're at the midway point of the 2025 NFL se...
    A&W's Third Pound Burger
     In 1980, A&W offered a bigger and tastie...
    Man paid in 500 pounds of greasy pennies!
        A man from Georgia, Andreas ...
    Total lunar eclipse
    On the morning of November 8, 2022, many of us...
    Fantastic Beasts - What did it cost to make?
    In 2001, J.K.Rowling (the author of the Harry ...
    Super Bowl Numerals
    Super Bowl numbers are appearing again! As student...
    Justin Verlander's lunch bill
    In the 2017 World Series, the Houston Astros bea...
    Spiraling squares - compass and straight edge
    Can you see the many spirals i...
    Cholera in Haiti
    On January 12th of 2010, there was a tremendous,...