## Find Unknowns

## Formative Assessment

# Summary of the Math: Find Unknowns

**Read and Discuss**

- One key concept in algebra is the idea of variables. A variable represents an unknown quantity in an equation.
- In this task, each fruit represents an unknown quantity.
- Look at this equation. You could express this equation as
*a*=*b*×*a*, where*a*is the apple and*b*is the coconut. - In future lessons, you will work with variables to represent unknown quantities.
- To solve equations with variables, use the same properties of operations that you use with numeric equations.

Can you:

- Explain your general strategy for finding the unknown values of the fruit?