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Tallest Buildings in the World--Now, Design Your Own Mile High+ Tower

Last week, we used mathematics and engineering techniques to build the tallest tower out of index cards. The results were stagering: over 90% of Mathletes participated and built towers up to 103" in height.


Index Card Tower CHALLENGE

After teaching the Mathletes how to measure the height of tall objects, or any object for that matter, including trees, buildings, etc., I wanted to challenge them to engineer their own tall structures.

Clinometer: Finding the height of objects using Isosceles Right Triangles

A clinometer, also called a declinometer or an inclinometer, is an instrument that measures vertical slope, usually the angle between the ground or the observer and a tall object.

New England Math League Contest (Grades 2-5)

After the children explored the logic questions of the Noetic Learning Math Competition, I had them attempt the New England Math League contest which is given to 4th gradeers and up. So Mathletes in 2-4th grade took the 4th grade test and 5th graders took the 5th grade test.

Two-Digit Number that Certain Sum and Difference (K-1st Graders Only)

The K-1st Grade classes explored two-digit numbers that had a sum of a certain number and a difference of a certain number. This challenge causes them to think about addition and substraction at the same time and strategically look for patterns.