following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method. MA.9-12.HSA-CED.4 Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations. For example, rearrange Ohm's law V = IR to highlight resistance R. Unit Enduring Understandings Unit Essential Questions: How do you add, subtract, Students will understand that… multiply, and divide very large Equation solving is working backwards and undoing and small numbers? operations. How can linear equations An ordered pair is a solution to an equation, then be used to represent it must be on the graph of the equation. situations? A solution to an equation (or a system of equations) What are the connections between is the value of the variable that makes the equation proportional relationships, lines, (or both equations) true. and linear equations? Like terms must be combined. What is equivalence? The distributive property can be used to How can you communicate simplify expressions and solve equations. mathematical ideas effectively? Why are equations helpful?
following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method. MA.9-12.HSA-CED.4 Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations. For example, rearrange Ohm's law V = IR to highlight resistance R. Unit Essential Questions: How do you add, subtract, multiply, and divide very large and small numbers? How can linear equations be used to represent situations? What are the connections between proportional relationships, lines, and linear equations? What is equivalence? How can you communicate mathematical ideas effectively? Why are equations helpful? Unit Enduring Understandings Students will understand that… Equation solving is working backwards and undoing operations. An ordered pair is a solution to an equation, then it must be on the graph of the equation. A solution to an equation (or a system of equations) is the value of the variable that makes the equation (or both equations) true. Like terms must be combined. The distributive property can be used to simplify expressions and solve equations.