Day 51 and 52 – November 4, 5

Algebra 1a: Chapter 3, Lesson 4, page 130.

Expressions and Equations

The phrase the quantity suggests a grouping of terms will follow. The words sum of, difference of , product of and quotient of also suggests a grouping of terms (USING PARENTHESES) to follow.

The quantity “3 less than a number” is written `n−3`. The text “4 times the quantity 3 greater than a number” is translated to `4(n+3)`.

Finally, here are some problem-solving guidelines:

Phase 1: UNDERSTAND THE PROBLEM

• What am I trying to find?
• What data am I given?
• Have I ever solved a similar problem?

Phase 2: Develop and carry out a PLAN

• What strategies might I use to solve the problem?
• How can I correctly carry out the strategies I select?

Phase 3: Find the ANSWER and CHECK

• Does the proposed solution check?
• What is the answer to the problem?
• Does the answer seem reasonable?
• Have I stated the answer clearly?

Two of tonight’s homework problems solved by MrE are here! Just click it