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
    Extreme weather 2020
    Because of climate change, we've been having...
    Giant iceberg
        Ferryland, Newfoundland. J...
    Mental math tricks - part 2
    36 x 25 = 900     480 x 25 =12,000  ...
    Pick-a-brick wall at the Lego store
    There are walls at the Lego stores t...
    Really old
     Tom Lehrer is a singer, songwriter, satirist...
    Rescue of the Chilean miners - The 33
    On August 5, 2010, the San Jose copper-gold mine n...
    Sugary Record
    How big is the world's largest cotto...
    Holiday Shipping
     Now that the holiday shopping season has beg...
    Candy Count: Which Bag Holds the Most Candy
     🎃Leverage your students' Halloween enthusias...
    Big Papi
      What do you wond...