Mastering Percent Change – Real-Life Math with Increases, Decreases, and Constraints

Master percent change with real-world math problems involving increases, decreases, and constraint-based modeling. In this video, we explore how to calculate percent increase, percent decrease, and handle multi-step changes. From phone prices and population shifts to business revenue and salary adjustments, each problem is grounded in practical scenarios students can relate to.

This lesson aligns with Common Core Standard HSA.CED.A.3, which focuses on representing constraints using equations or inequalities and interpreting the solutions in real-world contexts. Whether it's budgeting, pricing, or planning, students will learn how to model and interpret percent change effectively.

Topics Covered:
Finding original values from percent increases or decreases
Understanding and solving sequential percent changes
Real-life math with financial and population data
Applying equations to represent and solve constraints

This is a valuable resource for Algebra 1, Algebra 2, and students preparing for standardized tests. Great for classroom instruction, homework help, or independent study.

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Time Stamps:
00:00 - Intro
00:25 - Finding Two Numbers from a Ratio
01:49 - Map Distance Conversion
03:16 - Budgeting for Supplies
04:48 - Planning with Ratios and Totals
06:12 - Finding Average Speed
08:12 - Summary
08:31 - Includes a bonus question at the end to extend learning and reinforce the concepts taught in the video.

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