6.7 Lesson Activity 1

6.7 Lesson

A balance to measure weights

• One side must equal the other side to keep balance

• If not then they are unbalanced

• Food markets

• How much to pay

Algebra

Early 9th Century

al-jabr: operation of moving a term from one side of the equation to the other

Open Ended

In the two diagrams, all the triangles weight the same and all the squares weight the same. For each diagram, come up with ... One thing that must be true.