2023-11-20 09:44:50
Is 2023 a special number?
Is 2023 a special number?
1998 was a Harshad year.
- What do you notice about the number 2023?
- What is a Harshad number?
- Does 2023 meet the criteria?
- Big deal? Rare? Often?

Comments (0)
Display 1 - 10 Of total 0
Have a heart
Clicking on the image above will show the hear...
Water saving toilets
How much water...
Can you show that the Pythagorean Theorem works?
Use this activity to help your students work thr...
Pick-a-brick wall at the Lego store
There are walls at the Lego stores t...
Father's Day blueberry surprise
Sunday is Father's Day and there is still time t...
What is a quantum dot?
In this activity, students work through the ...
Green, green river
During the St. Patrick's Day parade in C...
It might be a good year to see the Perseid meteor shower
Catching a productive meteor shower can ...
Typhoon Rasaga
What is a typhoon, and how are they measured? In t...
Winter Solstice 2023
It is really dark out now. Why is that? Stud...