2023-11-20 09:44:37
What me? Irrational?
What me? Irrational?

We've found that some students believe that the approximation that their calculators show for irrational numbers is exact. Here's an activity that you can advertise as long multiplication review. After they study our calculations have a discussion just to clarify what they know and bring home the notion of approximations.
Comments (0)
Display 1 - 10 Of total 0
Labor Day 2025
In our usual Labor Day activity (updated for...
Free Flights?
This can't be righ...
Earth's perihelion with the Sun
On January 4th, 2023, Earth will be as close as it...
Memorial Day 2026
Memorial Day is a US holiday observed on the last ...
Immigration numbers
Here's an opportunity to work with calculating p...
Should I get the Big One?
Let your students decide if the ...
Candy deals
We found big mixed bags of candy at really...
Triple Crown hopefuls at the Preakness
Credit: AP Photo/Garry Jones Saturday, ...
How many gumballs are there?
Gumball Machine Problem fro...
How fast will my new puppy mature?
Dudley, born 11/10/2019
Dudley has just com...