These posts help students see patterns and relationships.
I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party. I served baked appetizers, disinfectant wipes, and latex gloves. I cooked while wearing clean latex gloves and served the appetizers with a spatula. The…
This Monday Americans will celebrate Memorial Day. 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…
I have two fish in my aquarium. Betty is my white goldfish. She often stays really close to the front wall as she swims towards her food. Stripe, my clownfish, usually swims diagonally across the tank to the back top…
Wow! This vacuum can clean up to 2,800 square feet while using only one electrical outlet. How long must its cord be?
Mother’s Day is right around the corner and this means big business for the greeting card and floral industries. Let your students practice averages, percents, and large numbers while they analyze the statistics on Mother’s Day spending. You could even…
Jorge would have been 15 years old on May 5, 2020. We wondered how old that would have been in human years. Does that 7 times his dog years formula really predict all dog’s aging?
How big is a coronavirus cell? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Students interpret the graph relating draft pick number and contract value. They consider how much being selected earlier or later, either by a few picks or rounds effects a player’s earnings and if players should really be concerned with where in the order they are selected.
15 activities that support recycling, conserving resources, studying climate change and protecting our planet.
Biggest losses since 2008 – The Dow is measured in points but this decline can also be measured in the percentage lost. Which way was the Dow being measured when this headline was produced? Which method makes more sense? Wasn’t the initial value of the Dow much lower in 2008?
This World Record Snickers Bar was created in late January at the Waco, Texas Mars Wrigley Plant. What proportions would be an accurate cross sections of this monster bar? How many Mars Wrigley workers would this feed? How are your calculations different from what was published? How must their calculations have differed from yours?
6 activities about Easter and Passover. Ratios, statistics, fractions and number sense. Candy galore.
Does this chart make sense to you? Is there something odd about it? How would you change it to make it more sensible?
This day is known for pranks and puzzles. Try one of these 4 activities on April Fools Day. Ask students to analyze where I made my mistake PerplexingProblem.pdf For members we have solutions. PerplexingProblem-solution.pdf …
I checked my data usage for the month. What do you notice and wonder? What could my data plan be? How much have I used? How much will I have used by the end of the month? Is this…
