Category: Math

Math Monday: Linear vs Exponential Growth in Investments

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Jan 09, 2022
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Math
  This Math Monday, we’re exploring a twist on the classic penny doubling problem to teach exponential functions. In this Desmos activity, students compare three hypothetical ways they could collect a lottery prize: $80,000 today, $3000 per day for a month, or $1 that doubles each day for a month. They also practice identifying linear vs exponential growth situations and comparing two exponential functions with different growth rates.  This activity corresponds to the Level 1...

Math Monday: Getting Started with Desmos

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Dec 26, 2021
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Math
  Desmos is a great tool to engage students, simplify grading, and strengthen conceptual understanding. But if you haven’t used Desmos before, you might not know where to start. Never fear! NGPF created a great video tutorial series to walk you through everything you need to know to get started.  What’s Included These six videos cover how to use different features of the Desmos graphing calculator and how to set up your Desmos classroom so you can easily assign activities,...

NGPF's Best of 2021: Product Releases and Updates

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Dec 22, 2021
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Behavioral Finance, Taxes, Career, Math, Economics, Professional Development
Our best ideas come from you and the top 10 list below shows how we maintained our focus in 2021 to build products and services that you need. Several themes emerge from the list:  You like our commitment to continually update our resources as the Career and Taxes updates scoring high on the list. You challenged us to think of ways to incorporate personal finance across the curriculum so we built a new Financial Algebra course and added to our Economics resources. Thanks to your efforts...

MATH MONDAY: Investing and Exponential Change Desmos

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Dec 12, 2021
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Math
What can exponential functions teach you about investing? In NGPF’s Desmos activity Investing and Exponential Change, students explore the impact of an investment's starting value, rate of return, and time invested. This activity is a part of the FA-5.5 Application in the new Intro to Investing & Exponential Functions unit.  The Set-Up This activity is built around comparing three investment options: Option 1: Invest $50 at age 30 with an anticipated 9% annual return Option...

MATH MONDAY: Investing Sneak Peak!

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Nov 28, 2021
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Math
This Math Monday, you’ll get a sneak peak of the new Desmos activity Growth of Savings vs Investments, which is part of our upcoming Intro to Investing & Exponential Equations. Stay tuned for that release later this week! This activity introduces students to exponential growth before they’ve learned anything about exponential functions by comparing the growth of $5000 in a savings account with 1% interest and the growth of $1000 in an investment account that earns a 7% annual...

Interactive: The College Payoff

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Nov 17, 2021
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Paying for College, Math, Interactive
Hat tip to Jessica for pointing out this most excellent resource. It's a question that high school graduates (and their families) are asking more and more frequently: Is college worth it? This interactive from Georgetown's Center on Education and the Workplace won't answer that question for students but rather is likely to lead to more thought-provoking questions as they dive into the data.  Scroll down the page to this section which shows the range of lifetime earnings based on highest...

Math Monday: Budgeting with Spreadsheets

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Nov 14, 2021
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Math
This Math Monday, learn how to build a budget spreadsheet with the Financial Algebra lesson FA-4.4 Budgeting Tools. This lesson is a part of the Budgeting & Systems of Inequalities Unit, but it could also be a great way to teach a real-world skill when you have a day or two to fill in between units or days off.  The Lesson Students overview the budgeting apps they could use, practice writing budgeting equations, and then learn the basic spreadsheet skills they’ll need to create a...

My Classroom Podcast: Math and Money

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Nov 09, 2021
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Podcasts, Math
My Classroom is a short NGPF podcast series devoted to supporting the efforts of teachers. Every couple of weeks we speak with different teachers who share timely tips, resources, and teaching strategies that can be implemented immediately into the classroom. This week, we welcome Adam Cole and Tara Kelley. They will share the approach they take, and the approach of other math educators, when teaching personal finance. Adam Cole is an NGPF Fellow and dedicated educator who is passionate about...

Interactive: Age and Occupation

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Nov 04, 2021
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Interactive, Career, Employment, Math
This interactive from Flowing Data maps the age ranges for 529 different jobs. For math teachers looking to bring summary statistics to life, this may be what you are looking for as it displays min/max, 25th/75th percentile and median values. Here's the top of the chart with one highlighted job: web and digital interface designer (click to go to the interactive):    Each job has five numbers corresponding to the age of people with the job: the min/max, and the 25th and 75th percentile...

Math Monday: Desmos and Complex Systems

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Oct 31, 2021
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Math
This Math Monday, we’re exploring the custom Desmos activity from the Financial Algebra lesson FA-4.8 Constraints and Optimization. The Lesson Students work with complex systems of inequalities and practice finding optimal solutions when faced with numerous constraints.  When working with multiple inequalities, some students have difficulty visualizing the solution set. That’s where Desmos comes in - the interactive graph and sketch features provide valuable support.  The...

Math Monday: Desmos and Linear Inequalities

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Oct 17, 2021
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Math
How can you use Desmos to build student engagement? Today we’re exploring the different Desmos activities from the Financial Algebra lesson FA-4.2 Graphing Linear Inequalities.  The Lesson In this lesson from the Budgeting & Systems of Equations unit, students learn to graph linear inequalities and model different income constraints with inequalities. Throughout the lesson, there are three different opportunities to use Desmos; however, you don’t need to use all three! The...

Math Monday: Scatter Plots and Linear Regression

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Oct 03, 2021
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Math
Math Monday: Scatter Plots and Linear Regression This Math Monday, we’re exploring the lesson Scatter Plots and Linear Regression from the Financial Algebra Checking Unit. If you want a deeper dive into this unit, sign up for Financial Algebra: Unit 2 Checking and Linear Equations, next Tuesday at 4 pm Pacific. The Lesson Students plot real-world data and observe patterns. Then, they learn about correlation and how to use technology to find a linear regression model.  Students have...

Math Monday: How Checking Works

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Sep 19, 2021
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Math
This Math Monday, we’re exploring the Financial Algebra lesson How Checking Works, which kicks off the Checking & Linear Equations Unit. If you want a deeper dive into this unit, sign up for Financial Algebra: Unit 2 Checking and Linear Equations, next Tuesday at 2 pm Pacific. The Lesson This lesson introduces students to the basics of checking accounts, including why you might get a checking account, how you can use it, and why many people are unbanked. Students practice reading a...

Math Monday: Application on Graphing Wages

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Sep 05, 2021
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Math
In this Math Monday, we’ll introduce you to one part of the Financial Algebra curriculum - Application Problems - and walk through an example activity about graphing wages.    What are Application Problems? Application problems are a differentiated set of math activities that are grounded in personal finance content. They’re found in any math lesson from the new Financial Algebra Course.   How can I use Application Problems? One of the biggest advantages of...

Math Monday: Explore Financial Algebra

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Aug 22, 2021
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Math
Last Thursday, we released two units of the new Financial Algebra course - Checking & Linear Equations and Saving & Systems of Equations. Check out the curriculum now on NGPF’s Financial Algebra course page! At our launch event, teachers previewed upcoming topics, dove into lesson resources, and shared their ideas for implementation.  What are teachers saying? ...about the VPD session ..about the course Missed the launch event? Don’t worry, you can still attend...