# Author: Leslie

## Fibonacci coloring

Let your students simply enjoy coloring our designs or artistically play with the whole creation of Φ designs. Simply coloring our Fibonacci patterns might allow students to ponder the Fibonacci sequence (while they learn more about its beauty) and just…

## The longest day

On Thursday, June 21st, at 06:07 am EST, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year.  This marks the longest day of the year in the Northern Hemisphere and…

## Celebrate 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…

## Impress your parents at dinner

This activity is the first in our series on mental math tricks.  Let your students develop their own individual way of mentally multiplying by 0.5, 5, 50, 500, and so on.  We have a little practice and a requirement for…

## What are the odds that Justify can win the Triple Crown?

Justify has won the Triple Crown.  He’s the 13th horse to ever win all three races … Kentucky Derby, Preakness, and the Belmont Stakes.  Amazing! How do you calculate compound probability?  Skip the betting odds and deal only with the…

## For Three!

The NBA court has a 3-point line that separates how many points a player will earn for his team by making a basket from outside of that line.  Here’s a simplistic picture of 1/2 of an NBA full court.  Teams…

## Memorial Day 2018

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…

## More eruptions on Hawai’i’s Kilauea

The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai’i. This volcano is on the tip of the southern most Hawaiian Island.  Is that significant? In this activity students note the descending ages of…

## Prince Harry and Meghan Markel’s Royal Wedding

This weekend is the wedding of Prince Harry and Meghan Markel. This will be quite an event and we can expect it to dominate the media.  What have you heard about the event?  What interests you? The mathematics in this…

## Triple Crown hopeful at the Preakness Stakes

Justify won the Preakness – Can he win the Triple Crown? This past Saturday was the running of the Preakness Stakes Thoroughbred horse race in Baltimore, Maryland.  The Preakness is the second major race for 3-year old thoroughbreds to run…

## Mother’s Day is coming up

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…

## Longest NHL overtime games in history

Game one of the 2013 Stanley Cup between the Bruins and Blackhawks went into 3 overtimes. People stayed up way too late to watch the conclusion. The teams played 112 minutes and eight seconds of game time. The game went…

## Opening Weekend – Avengers: Infinity War

Can you tell from its opening weekend how much the new movie, Avengers: Infinity War, might earn in theaters?  This activity can be used anytime and is especially timely when there is a new blockbuster movie released.  We’ve left blank…

## Boeing 787 draws an airplane over the United States

Recently, pilots of a Boeing 787 testing a new set of Rolls Royce engines, fulfilled their FAA required long-distance endurance requirement in an unusual way. The Boeing pilots decided to have a little fun and fly a flight path that traced…

## Where should I drop my puck?

Act 1 – Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which slot would give them…