My dog, Jorge, has just turned 12 years old. He still seems like a puppy to me but I wonder how old he is when compared to a human’s age. He’s definitely not like an 84 year old human (12…

Lots of people enjoy coloring books. Evidently people who like to multitask can find a means of calming their energies and reach a peaceful place by simply coloring designs. Coloring in these drawings allows you to relax and just create pretty…

I came home from work to find that my son had his cars organized in a tight parking lot on our front porch. How many cars are there? Is it an array and if so, what size array could it be…

After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that…

Mother’s Day by the numbers – 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…

Uh oh! How do you find the area of a heart? Get your students to help you calculate how many sequins you’ll need to order for this mother’s day class project. The activity: BejeweledMother’sDayCard.pdf Mother’sDay-card-blank – If you want…

Saturday, April 22nd is Earth Day There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. McDonald’s moves toward Antibiotic-free chicken – What will the effects be on costs at the restaurant, costs in…

We have two classic puzzles for your April 1st class starters. PerplexingOne.pdf PerplexingTwo.pdf CCSS: MP.1, MP3,4.OA, 5.G, 8.EE, 8.SP For members we have solutions. PerplexingOne-solution.pdf PerplexingTwo-solution.pdf Or you might baffle and amaze your students with our Ghost Whisperer lesson.…

This is the third and final activity in the Pascal’s Triangle series. In this activity students again have the opportunity to color as they investigate Pascal’s triangle and the patterns that it shows. The activity might be used first in…

On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his historic “I have a dream” speech at the Lincoln Memorial to 250,000 civil…

Every birthday I consider whether I’m in the prime of my life … like when I was 29 years old. Will this new year be a prime year? I hope so. Don’t use Google or Siri or whatever. Just see…

We’ve gotten used to believing what we read or see advertised. But sometimes the clerk doesn’t get the sales discount right or something seems a little off. Let students ponder this store menu and see if they can figure out…

There are walls at the Lego stores that are filled with individual Lego parts. You can fill a bucket and pick out exactly what you need. Use this PowerPoint activity to get your students conferring with each other, making guesses,…

Wow! It’s been a long time coming. The Chicago Cubs just won the World Series! The last time they won the World Series was in 1908 (For some perspective, that is the same time the first car, the Model T,…

Check out the video: What do you wonder? How many donuts make up this Big Papi tribute? What would be useful to help you figure this out? The following pictures that will open in new windows: Big Papi Sky View,…