Number Sense

Willy Makit and 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 far is that?  Should…

Fibonacci coloring

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…

How many cars are there?

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…

Ideas for Father’s Day

Thank you Mother and Father for all of those diapers – Which is a better deal, cloth or disposable diapers?  How much did you cost your parents in diapers?  In the future how much could your kid’s diapers cost?   Help…

How much pee is in that pool?

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…

Tick time and Lyme disease

Deer tick

With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease occurrences in the United States.  The Center for Disease Control and Prevention (CDC) has published maps for all of the…

Memorial Day 2017

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 for when it is…

Proposed southern border wall

You have probably heard about the proposed border wall that may go up along the U.S./Mexico border.  How much wall needs to be built? How much will that cost? What is that per mile? Per foot? What else could you…

Mother’s Day activities

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…

A gorgeous, glittery Mother’s Day card

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…

Measuring sea level

What does this gizmo do? We’ve given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we’ve given them the data that was collected from…

Who had the greatest NBA season ever?

Just updated! Russel Westbrook had one of the most dominating seasons ever, averaging nearly 32 points, 8 assists and 11 rebounds a game!  He set a record with 42 triple doubles in the 2016-17 season.  Was this the greatest NBA…

Giant iceberg

Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland.  Its hard to tell how large it actually is but it looks huge.  Use some of the data that was supplied and your estimation skills to gauge the…

Earth Day, 2017

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…