Parametric graphing, heart area, chocolate volume, making a heart-shaped cake, pie charts of holiday candy sales, how many cans in a can heart canstruction, where do all of those flowers come from, best deal on bagged candies, making a cardioid … Valentine everything!

# Category: Holidays and Annual Events

Investigations that relate to regular annual events.

## Lunar New Year 2019 – Year of the Pig

## Super Bowl, Groundhog Day, and even more football posts (19 activities)

## Cost of a Super Bowl ad

## Super Bowl numerals, 2019

## Martin Luther King, Jr. (4 activities)

## Will we be “in our prime” this year?

## Times Square Ball Drop

## Winter and holiday posts (16 great activities)

## How many lights should I buy for my tree?

## Wrapping presents on the diagonal

In this activity students determine if this method for minimizing wrapping paper is actually more efficient then the traditional method. For a hands on learning experiment, have students actually wrap a small rectangular prism using any available paper in both the traditional and diagonal methods. Then let them compare the two quantities of wrapping paper and decide which method uses less paper and by what percent.