Category: Number Sense

How should I cook my turkey?

Bake it, deep fry it or barbecue it? When do I have to wake up to begin preparations? How long will the cooking take?  How much will it cost?  How many can I feed?

Macy’s has some new balloons

These giant beauties can be measured in handler height, taxi cab widths, stories tall, and bicycle lengths.  What does that all mean?  How big are these balloons. The activity: Macy’sNewBalloons.pdf

Not enough mashed potatoes

Using his famous mashed potato recipe, Brian has asked students to change decimals to fractions, to calculate ingredient measures for various-sized Thanksgiving gatherings, to explain their thinking in calculating these figures and to judge how many servings could be created…

Canstruction

In this 3-act activity, students look for a pattern to count these cans. Canstruction is an annual event that takes place just before Thanksgiving in cities throughout the world to raise money and gather food for local food banks.

Operation Gratitude – Halloween candy buy back

This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a good use for all of that leftover candy.…

How long will it take you to trick-or-treat?

It’s Halloween and this is your neighborhood. How long will it take you to trick or treat at every house in your neighborhood? Possible conversation with students: How long will it take you to get from house to house? You…

Which is the best candy deal?

Students are asked to decide which would be the best deal and the worst deal on mixed bags of candy.  They can also create their own mixed bags.  This activity has unit pricing, philosophy of candy collecting, and Excel if you would like to use technology.  

Ghost Whisperer

As the Halloween season begins, let your students play a spooky game. How does this work? Students can play this game online at Ghost Whisperer Crystal Ball and then Figure out why it works. Construct viable arguments Critique the work of others…

Costume spending

Use our updated data on Halloween spending in America to engage your students in an analysis of the ratios and percents of population, participation, and money spent in honor of October 31st. This activity takes kids through finding parts of wholes as well as ratio, percents and proportion problems.

How much should the 40-oz size cost?

We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos.  And they will also make you 40-ounce cappuccino but they haven’t listed the price. A 40-oz…

Giant pumpkins

Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giants.  To introduce the task…

Largest coffee, new world record

The world record for the largest cup of coffee was recently set (see picture above).  In this activity students explore scale, similar figures, volume and measurement as they estimate the amount of coffee that this record-sized mug holds.  Students also…