The Eiffel Tower is very similar to the geometric

shape of a four sided pyramid. At the base,

there are four large semicircles, one on each side

of the tower. Throughout the structure, there are

hundreds of triangles and parallelograms

How many triangles can you find?

Find the value of each shape by using the clues!!

The Enigma Machine was an advanced cipher or coding machine, developed in Germany after World

War I. The machine was used to send top secret messages. It used a system of replacing one letter

with another

How many triangles can you find?

How many triangles can you find?

Find the value of each shape by using the clues!!

Find the value of each shape by using the clues!!

Level 1: 13

Encourage students to think about process and strategies for counting the triangles. Please see the link below and display to students for the solution.

https://www.youtube.com/watch?v=dUn2LdhfHy8

Level 2:

Answers

6 2

6 2

8 4

8 4

4 4

6

8

4

2

8

4