2023-11-20 09:44:47
Mental math tricks - part 2
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.
Comments (0)
Display 1 - 10 Of total 0
What does 95% confidence in the poll results mean?
There have been a lot of polls about who wil...
Flag Art
A little ratio art might b...
What can you tell about a snowflake?
As a snowflake falls from the sky, its...
Pick-a-brick wall at the Lego store
There are walls at the Lego stores t...
Launch of the next ISS crew
If all goes well, the next crew of the I...
Big Bucks (Updated)
In 2025, Cristiano Ronaldo signed a jaw-dropping 2...
Bits, bytes, and nibbles
Clicking on the image will show it larger.
...
Shrinking Toblerone
New York Times photo - Credit Darren Sta...
Can this possibly be True?
This activity is being updated =). &nbs...
How much have doughnuts changed?
Part of the Smithsonian's Sally L. Steinberg C...