**For activities to use during the holiday break, check out the bottom of this post.**

**Minimizing wrapping paper** – Wrapping gifts diagonally on your wrapping paper saves material. Surface area, Pythagorean Theorem, geometry, hands-on, and very cool activity.

**Moneymaking holiday movies** – data analysis, rounding, percent increase and appropriate graphical representations

**Why is it so dark out? **- Winter solstice, geometry/Earth science, Earth’s tilt, appreciate angle measurement with dark time of year.

**Soda Santa ** – Reasonable guessing the number of 6-packs required to build this Santa. What guesses are too low? What guesses are too high?

**Wrapping gifts** – surface area exploration with no measurements given. Students have to reason about relative sizes of gifts and their necessary wrapping requirements.

**Macaroon Nutcracker** – Two possible activities here. (1) Volume, surface area, ratios, and ingredient quantities … traditional. (2) 3-act activity on estimation.

**Holiday candy sales** – Considering which holidays receive the most candy sales. Students deduce from a pie chart the actual dollars spent for various holidays.

**Christmas Tree Lights** – Try to approximate the number of light strings necessary to illuminate this tree. Conical surface area? Experience?

**Why does the date of Hanukkah change every year? **- Students learn about a 19-year rotation of the Hebrew calendar that aligns the Sun and the moon’s rotations. Remainders, long division, interesting stuff.

**Snow Days – **Brian made a movie of the snow accumulating on his back porch. What was the rate of snowfall. How much do you guess it snowed after 24 hours? Average rate? Graph it? When was the steepest rate?

**For activities for during the holiday break.**

Monopoly – In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it? Correlations, scatter plot, line of best fit, outliers Excel or not …

Canstruction – Estimation, low and high guesses, square numbers, sums of squares in a cool, world-wide, annual event of gathering canned food for the hungry and creating incredible sculpture.

Goldfish crackers – Comparative shopping activity. Which size of Goldfish crackers is the best deal? Ratios, ratio tables, cost per ounce,