Distance = Rate times Time
 The relationship between time, distance and rate are fundamental from first steps in algebra through calculus and beyond.
 An important real world concept that reinforces proportional reasoning.
Relevant Standards
5th Grade
 5AF1.1 Use information taken from a graph or equation to answer questions about a problem situation.
 5MR2.3 Use a variety of methods, such as words, numbers, symbols, charts, graphs, tables, diagrams, and models, to explain mathematical reasoning.
6th Grade
 6NS2.4 Determine the least common multiple and the greatest common divisor of whole numbers
 AF1.1 Write and solve onestep linear equations in one variable.
 AF1.2 Write and evaluate an algebraic expression for a given situation, using up to three variables.
 6AF2.2 Demonstrate an understanding that rate is a measure of one quantity per unit value of another quantity.
 6AF2.3 Solve problems involving rates, average speed, distance, and time.
7th Grade
 7AF4.1 Solve twostep linear equations and inequalities in one variable over the rational numbers.
 7AF4.2 Solve multistep problems involving rate, average speed, distance, and time.
 15.0 Students apply algebraic techniques to solve rate problems,
work problems, and percent mixture problems.
