Tag: 8th

How many lights should I buy for my tree?

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…

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.

Do I have enough wrapping paper?

I have to wrap this box.         In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together. …with…

Leaves are pretty but …

Brian has spent too much time thinking about his leaf raking. He’s worried about doing the job alone and about how long the job would take with different numbers of rakers. In this activity students see the inverse relationship between…

Egad! It’s already time for Hanukkah

Sunday evening, December 2nd, is the first night of Hanukkah this year. I think it was much later in December last year. Why isn’t it always on the same date? Students look at the Hebrew calendar and appreciate the incredible…

Weird wing prices

Clicking on this image will show it larger in a new window. Danny’s Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this way? Do you see a pattern?…

Thanksgiving, football, Black Friday, and giving

Not enough mashed potatoes – Use Brian’s famous mashed potatoes recipe to practice changing decimals to fractions; calculating ingredient measure for various-sized Thanksgiving gatherings; have students explain their reasoning; and to have students figure out how many servings 7½ pounds of…

Black Friday Deals

When shopping next Friday, students will be able to add some understanding and analysis to the trip after calculating savings in dollars and percents with this timely investigation.

Macy’s Thanksgiving Parade 2018

As we get ready for next week’s holiday, students can study a map of the annual Macy’s Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate how long each band will be marching and…

Fine

TJ Watt was fined for roughing the passer.  Check out the tweet from Darren Rovell and engage your students in a familiar context for a classic percent problem – solving for the “whole.” JUST IN: @_TJWatt lost 38% of his…

Consumer spending 2018

Consumers in the U.S. spend a lot of money. In this activity we look at historical data to see if there are any patterns in our spending.  How does our holiday spending show up in these graphs?  What accounts for…

Veterans Day 2018

As Veterans Day approaches, let your students learn about and appreciate the meaning of the day by analyzing the powerful data that we’ve supplied. Students can use our numbers to create questions for their classmates … questions that can emphasize the tremendous gift…

Debt and deficit

The growing deficits of our government and accumulated debt are constantly in the news. Allow your students to investigate these concepts and their causes with this timely activity. The activity involves reading charts, making comparisons, computing percents and analyzing trends…

How huge could this mid-term election be?

Will November 6th election bring record number of voters to the polls? Students get a chance to understand what the usual percentage of voters is, look for trends and central tendencies, and make predictions about this year’s voter turnout. The…