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
    V-o-r-t-e-x
    Weather temperatures have been extreme in the ...
    So just print some more money!
                         Wh...
    Typhoon Rasaga
    What is a typhoon, and how are they measured? In t...
    Can you show that the Pythagorean Theorem works?
    Use this activity to help your students work thr...
    Vampire Bats
    🦇In thi...
    Candy Count: Which Bag Holds the Most Candy
     🎃Leverage your students' Halloween enthusias...
    More Population Pyramids
    The population pyramid above shows the d...
    Father's Day blueberry surprise
     Father's Day is coming up, and there is stil...
    What's with the plovers?
    Cute little birds.  Piping plovers are ...
    Uh oh! Am I going to run out of data?
    Let your students consider the graphic fir...