### Ratio and Proportion

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#### Spider-Man continues

Spider-Man: No Way Home opened on December 17, 2021.   How much did it cost to make? How much will it gross? Is the Spider-Man phenomena a guarantee for success? How would yo...

#### Just ONE hot dog

A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you have to eat to lo...

#### How much did the tooth fairy give you when you lost a tooth?

Think back to when you were loosing your baby teeth.  What was the going tooth rate in your house? Do you think that, on average, you were paid well or were you disappointed? &nbs...

#### John Urschel, retired Baltimore Raven and Black mathematician

John Urschel is a young man with several seemingly disparate characteristics and talents.  He is an athlete and a mathematician and he is a black man and a mathematician.  He loves what he...

Wow! Look at that score! There were some scoreboard malfunctions in this December 15, 2020, pre-season game.  What might have been the final score if this game progressed at this rate? ...

#### Ravensburger huge puzzle

﻿ This puzzle is gorgeous and HUGE! Ravensburger says that if you spent 2 hours every day putting this puzzle together it would take you a year to finish. What do you wonder? Students ...

#### Monster cake

Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook.  We've created an activity based on her Monster Cake (composed ...

#### How much chocolate is left?

In this short activity, students reason and calculate what is left of these chocolate bars.  The bars are the same size but are molded into different number of sections.  Which one has...

#### Ramen noodle heist

In 2018, a truck trailer was stolen from a parking lot in Georgia. The trailer was filled with Ramen noodle packages and its contents were valued at \$98,000. What do you wonder about this heist?&...

#### Do you want to be an NBA virtual fan?

For health concerns, professional sports now have no actual live fans. To help generate the excitement and semblance of fans, some teams use cardboard cutouts of people.  Some use Zoom screens ...