Prealgebra for Two-Year Colleges/Workbook AIE/Properties of addition
Materials Needed: None
What does addition of fractions have in common with addition of decimals? What do these have in common with addition of expressions that contain variables? What does finding a perimeter have in common with balancing your checkbook?
- Explain why when we add, we need common denominators or like place values or like terms or common units.
- Solve problems that involve finding totals, finding perimeters, or combining values.
- Use the commutative property of addition to aid in performing mental addition.