Section 2 1 Writing Equations Algebra 1 By

Section 2. 1 Writing Equations Algebra 1

By the end of this lesson, you should be able to… �Translate basic sentences into algebraic equations. �Translate sentences in a context into algebraic equations. �Solve the algebraic equation after translation.

Example 1 Translate Sentences into Equations A. Translate this sentence into an equation. A number b divided by three is equal to six less than c. = Answer: c– 6

A. Translate this sentence into an equation. A number c multiplied by six is equal to two more than d. A. 6 c = d + 2 B. 2 c = d + 6 C. c = d + 2 D. c = 6(d + 2)

Activity 1: Translating Sentences into Equations �For the activity, in your groups, sort the verbal descriptions with its algebraic equation representation �Make two columns �Record 1 -2 example/s in your CORNELL NOTES. �Choose the examples to be varied so you have something solid to refer back to

Example 2 Translate Equations into Sentences A. Translate the equation into a verbal sentence. 12 – 2 x = – 5 Twelve minus two times x equals negative five. Answer: Twelve minus two times x equals negative five.

A. Translate the equation into a verbal sentence. A. Twelve minus four divided by b is negative one. B. Twelve less than four divided by b equals negative one. C. Four minus twelve divided by b equals negative one. D. Twelve divided by b minus four equals negative one.

Activity 2: Sorting Equations into Sentences �For the next activity, in your groups, sort the verbal descriptions with its algebraic representation �Make two columns �Record 1 -2 examples in your CORNELL NOTES. �Choose the example/s to be varied so you have something solid to refer back to

Homework �Write Cornell Notes Summary �Unit 1 Review Homework Packet

Exit Slip *Clean Air charges $52 for a service call. There is no charge for the first hour (h). After the 1 st hour, Clean Air has a $30 hourly charge. Set up an equation to represent the charge of a visit from Clean Air and define your variable(s). How much would Clean Air charge you for a 7 hour service call? �Hand in Exit Slip (With Name) when finished �Write Cornell Notes Summary