# Tag: percent

## Memorial Day 2023

Who are we honoring?  How did the holiday come about?  Isn’t Memorial Day usually on May 30th?
Students learn a little about the history of the holiday, analyze the possibilities and patterns for when it is celebrated and make observations about the incredible numbers of deaths that have been caused by war.

## March Madness – Does seeding really matter?

Engage your students in percents as they get excited about March Madness. Is getting a higher seed really an advantage?  Use 30 years of data to help determine for which seeds it makes sense to pick an upset.

## Taking two discounts off (2 activities)

Students check out if getting 50% off and then a 20% discount will give them 70% off. Why does that happen?

## Mardi Gras, 2023

In New Orleans revelers throw and collect purple, green, and gold beads. Students get a chance to examine the monetary and environmental cost of this bead exuberance with our unit pricing and recycling activity.

We used to see holiday sales right after Thanksgiving but, surprisingly, holiday shopping has already begun. Sales are advertised everywhere.  Students will be able to add some understanding and analysis to those shopping trips after calculating savings in dollars and…

## Federal debt and deficit – What are they?

What’s the big deal with our national debt?  Do we actually borrow money to cover our debt?  If we do, imagine the interest charges? Help your students (and their families) understand the meaning and repercussions of too much debt. The…

## Black Friday

When shopping next Friday, students will be able to add some understanding and analysis to the trip after calculating savings in dollars and percents with this timely investigation.

## Monster cake

First, students need to find the surface area that the M&Ms cover in order to approximate how many M&Ms she needs to finish her cake.
When Brian tried to make the cake, he mistakenly added too much peanut butter.  Now all the of ingredients will need to be increased by some percent to insure that the cake maintains appropriate ingredient ratios?

## What is with this chart?

Does this chart make sense to you? Is there something odd about it? How would you change it to make it more sensible?

## How many delegates does each state get to send to the Democratic Convention?

Students reason about the meaning of this formula. They evaluate the formula for South Dakota and their state of choice to understand the weight of each state’s power in choosing the Democratic nominee.

## How Much Halloween Candy Will You Collect?

Students consider how to determine the best candy haul prediction.  The math ideas of measurement error and percent error are introduced.  Students then predict their own Halloween candy collections numbers and compare their predictions to their actual haul using measurement and percent error.

## So just print some more money!

What’s the big deal with our deficit? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students (and their families) understand the meaning and repercussions…

## Who’s going back to school?

Updated! Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 schools. They are asked to draw conclusions…