7.EE.4

Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.

1. Dr Dan's Number Operations - "(x + 0.5) x 5 = 22.5"
2. Dr Dan's Number Operations - "(n+0.5)x10=22.5"
3. Schoolyard Stats: Formulate an algebraic expression
4. Schoolyard Stats: Formulate an algebraic expression
5. Schoolyard Stats: Formulate an algebraic expression
6. Al's Number Repairs - Select correct equation to convert a measurement in meters to millimeters
7. Schoolyard Stats: Formulate an algebraic expression
8. Capacity To the Max - calculations using engine capacity formula
9. Capacity To the Max - calculate engine capacity given formula