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
    That's a big tomato!
    These Aussi tomatoes (the tomato on the left o...
    AQI - Air Quality Index
    The AQI is a measurement of how much particulate...
    Shooting for Three
    The NBA court has a 3-point line ...
    Shrinkflation
    Shrinkflation! What do you think this word m...
    Voyager on the edge
    The two Voyager space probes are in the news rec...
    Time to make your prom clothes ... with Duck Tape
    Larissa Leon, from Texas, in her gorgeous Duc...
    Impress your parents at dinner
    This activity is the first in our series on me...
    2 New Macy's Parade balloons
     As the Macy's Parade returns to public viewi...
    Radiation amounts
    This investigation will help you and your studen...