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
    Super Bowl Numerals
    Super Bowl numbers are appearin...
    I need help raking my leaves
    Brian has spent too much time thinking about his l...
    Alarming ice cracks on Brunt Ice Sheet in Antarctica
      A new, fast-growing ice crack is forcing...
    What is heat index?
     It's been really hot in ma...
    Chicken to share
    How many pieces does each person get when $10 is...
    Are original movies better than their sequels?
    We've gathered some data on movie ratings and ...
    Lighting the 2022 Olympic Torch
    On October 18th, 2021 the Olympi...
    Macy’s Star Rewards Points
    Wow! Check out this deal at Macy'...
    A Parametric Heart
    ♥♥♥♥♥♥♥♥ In this updated activity, ...