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
    How much do the movie tickets cost?
    Ooops! I was supposed to buy 4 adult and 2 ch...
    Hands of Support
     Lorenzo Quinn, an Italian sculptor, created ...
    How much does a Lego cost?
     This is a three act task, with an activity g...
    HDTV Surprise!
      How were your holidays?  Your school ...
    Starbucks Sales and Nutrition
    Kick off the activity with starter slides that spa...
    Which is the best deal?
    How do you calculate and justify which dea...
    Gauss and our star of stars
    How many stars are in thi...
    Bits, bytes, and nibbles
    Clicking on the image will show it larger. ...
    How high can a gymnastic score be?
    Gymnasts have just successfully competed in St...