# Applications of Proportions (High-school Quantitative Reasoning)

Subject
Product Rating
File Type

PDF (Acrobat) Document File

409 KB|10 pages
Share
Product Description
Lesson 4– Applications of Proportions – The CPI (high-school Quantitative Reasoning)

In this No Prep Math lesson, high-school students will write proportions to solve real-world and mathematical problems, make comparisons using proportions, explain how the Consumer Price Index is related to inflation, and use proportions to compare the prices of items in different years using the CPI. Notes and examples, a homework assignment, and answer keys are included.

----------------------
This is lesson 4 of my unit “Understanding Numbers” – the first unit of my high-school Quantitative Reasoning course. In this No Prep Math unit, high school students will review basic mathematical skills and apply those skills to more challenging real-world problems in the context of economic and social issues. Real-world contexts include population, population density, National Debt and Deficit, GDP, inflation and the CPI, misleading uses of percentages, and more.

Each lesson is intended to take one to three 45-minute class periods for notes and another class period for any optional activities. Five optional activities, two quizzes, a chapter review, a chapter test, and answer keys for the notes, assignments, and assessments are included in the full unit.

Chapter 1 Understanding Numbers (13 – 16 days)
1. Estimation
2. Big & Small Numbers
3. Applications of Ratios – The Federal Budget
Quiz
4. Applications of Proportions – The CPI
5. Applications of Percentages (basic percentages)
6. Describing Change (percent increase and decrease, percent more than/less than)
Quiz
7. Common Misuses of Percentages

Chapter Review
Chapter Test

------------------------------------
This is the first unit of the first semester of my high-school Quantitative Reasoning – Math in Context course.

Total Pages
10 pages
N/A
Teaching Duration
2 days
Report this Resource

Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials.