For this we read What's your angle, Pythagoras? by Julie Ellis
First, he built a wall 13 blocks high and tried to get his 13 block high ladder to get to the top.
Practicing some more triangles.
The perfect angle!!
Adding up 2 smaller squares = big square
Lesson 65 Confucius
I made this yin yang symbol and had him color it. You can download it here.
Lesson 66 Belshazzar and Cyrus the Great
Wrote with lemon juice and let it dry.