Investigations that relate to regular annual events.
Catching a productive meteor shower can be a stunning experience. On the evenings and mornings of August 11th, 12th and 13th there could be a very good show. A last quarter moon will leave the night sky growing darker each…
What is reasonable.? How many marshmallows are in this recipe? How many people could this cookie feed? How many marshmallows could you eat?
3 activities for the Fourth of July: (1) Folding analysis to make a 5-pointed star; (2) Parabola manipulation to create a fireworks image on your calculator; and (3) Ratios, creativity, and art in creating new flag patterns.
Saturday, June 20th, 2020 Sunrise on summer solstice at Stonehenge On Saturday, June 20th, at 5:44 pm EDT, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year. This marks the…
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…
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…
It’s time to dye eggs … or make a rainbow colored cake. Proportions, saturation, hue and shade.
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 …
We’ve got hundreds of great activities that demonstrate how math happens all around us. Let your student choose an activity that interests him/her and enjoy the discoveries.
Students get a chance to examine the monetary and environmental cost of this bead exuberance with our unit pricing and recycling activity.
How many dollars worth of sweet hearts candies used to be sold each Valentine’s season? Let your students taste the candies while they do the math. Student learn of the pain of a new manufacturer. They practice problem solving, critical thinking, and number sense reasoning?
What will a 30-second Super Bowl ad cost this year? Next year? In the future? How would you describe this rise in cost?
3 activities about wrapping presents: On the diagonal, 3-act by estimation with iPhone, and judging sizes and needs by estimation with man and shopping basket.
Do huge numbers of packages shipped and huge numbers of packages delivered late mean that these two companies aren’t doing a good job? Talk numbers.
Check out our Christmas Tree. We need to buy lights for the tree. Without calculating, guess how many feet of lights you will need. What information do you need to better estimate the number of feet of lights that you…