### Ratio and Proportion

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#### It's almost summer now

How much water do you have to drink?   In this activity student develop formulas for calculating their water needs, learn about the effects of too little wat...

#### Leslie's Yummy Pumpkin Pie

Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods.  This year 23 people have already accepted. How man...

#### Ice Cream Day - July 16th; 2 activities

All the ice cream that you can eat   All the ice cream that you can eat for only 10 cents!  Wow, that's a great deal!  How great a deal was tha...

#### Father's Day and Juneteenth; 3 Activities

For Father's Day (Links to different activities) Thank you Mother and Father for all of those diapers (2015) - Students compare the cost of buying disposable vers...

#### The 8th billion baby

How fast is the world's population growing? Will the world's population size increase indefinitely?  Are all countries' populations increasing at the same rate? What are some of the...

#### Earth Day (April 22) Actions for Our Planet

<a href="https://www.freepik.com/free-photo/watercolor-textured-blue-background_15559582.htm#fromView=search&page=1&position=22&uuid=5c957d6a-8767-4ae9-9522-cdefcf4825b7">Image by ra...

#### Daylight savings time

Updated and improved! Is Daylight savings time helpful?  How does it make you feel? "Spring forward, fall back" Early Sunday morning, March 12th at 2 am, we change our clo...

#### Willy Makeit or Betty Wont

I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while.  Finally!  I see a bathroom sign!  Wait ... it is in kilometers?  How...

#### How old are you?

We usually give our ages in years, but that isn't very precise is it?  In this activity students find their age in days, hours and minutes.  First students take two minutes to estimate the...

#### The James Webb telescope

﻿ After launch, the telescope deployed on its 30-day, million-mile journey out to the second Lagrange point (L2). This video shows the deployment procedure, timeline, and location of the sate...