# Tag: HSA-REI

## This shoe is huge!

In this activity student need to use a shoe size chart, patterns or linear modeling to try to figure out what size this shoe must be.  Then they try to estimate how tall this person must have been.

## Summer Solstice, the longest day

In this activity, students compare length of daylight to place latitude while studying the correlation, evaluating Excel generated formulas, and appreciating the significance of this date.

## Spring and Easter ideas – 6 activities

Dyeing eggs with food coloring – Students use the chart on the back of a food dye package to compare the strangely different recipes listed for coloring a cake, icing, or dyeing eggs. They look for and create equivalent ratios…

## Mardi Gras and Presidents’ Day

How much are US presidents paid? Step graph. Fair?
Mardi Gras, meaning, parades, beads, value, cost, reuse, environment.

## Throwing Up 2023

It’s hard to shovel new snow when you have to get your shovel-full over previous snow banks. You have to throw the snow practically straight up. Predict the arc of your shovel throw with a parabola and refine your formula by manipulating the parabolic factors.

## How much caffeine are you consuming?

We asked students to examine the sources of caffeine in their diets and calculate the number of servings that they actually consume.

## The odds of horse race betting

Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in Kentucky where the race took place, paid out \$81 for every dollar that was bet for Rich Strike to win.  How do they figure that?

## What is my best gasoline option?

Should I pay the membership fee and get BJ’s gasoline?  Should I just buy the cheaper gas at Sheetze? Students figure out the best deals with a membership fee, a loyalty credit card, or just the cheapest gas around. They create linear equations and find out for which amounts of gas would cost differences be the greatest and at what amount of gas would their costs be the same. And more …

## Bowl by the hour or the game?

Students consider the posted pricing of this bowling alley. What must they consider when choosing how to pay? What do you expect will be the best deal? How do you know?

## Need to rent some chaise lounges

Here’s the rental sign. How much will 6 lounges and 2 umbrellas cost?

## Does the new “Most Stuf” Oreo have an exorbitant amount of stuf?

How much more “stufed” are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gross?  Why are they filled with creme and not cream?  Maybe Nabisco’s employees can’t spell.  What do you think?

## President’s Pay for Presidents’ Day

The President’s have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index). Do the Presidents need a raise?

## Figuring planting dates

It’s time to get ready to plant my garden again.  But here in Boston we have to start our seeds indoors to give them a head start before we can put plants outside. How should I figure out when to plant my…

## My teacher says this stream is parabolic. Is he correct?

Instead of asking students to just believe what you’ve said, why not ask them to verify your assertions?  Students plot the points of the stream, perhaps map them with an equation generated by Excel or their calculator, and then use…

## Parabolic Pee

Mr. Mark’s new little baby can make some amazingly tall streams.  Give your class a little chuckle as you introduce them to parabolic motion with this very short analysis of Mr. Mark’s baby’s talent. CCSS: 8.F.5, HSA.CED.2, HSA.REI, HSG.MG.3  Parabolic-pee.pdf…