# World Cup rankings

…play in the once-every-4-years World Cup. The team rankings are calculated in a pretty complex manner. How are the 32 teams selected? Students can explore the ranking formula and do their own calculations to rank teams. Does it all seem fair? The activity: Part-I-WorldCupRanking.pdf For members we have an editable docx and solutions. Part-I-WorldCupRanking.docx Part-I-WorldCupRanking-solution.pdf CCSS: 5.OA, 5.NBT, 5.NF.B, 6.NS.B, 6.EE, 6.SP, 7.EE, 8.F, 8.SP, HSA… 0, 4

# Olympic Medal Table

…nalyzed and used. You can lead your class through the discussion with this free movie. You will have to pause the movie between each slide until you are ready to continue the discussion. Or members can use our PowerPoint presentation below. OlympicStandings from YummyMath on Vimeo. For members we have a PowerPoint presentation of the above movie (The PowerPoint is easier to control) and solutions. OlympicStandings.pptx OlympicMedal-solutions.pdf The following CCSS can be addressed: 5.OA.1,… 0, 4

# Dog years

…My dog, Jorge, has just turned 10 years old. He seems like a puppy to me but I wonder how old he is when compared to a human’s age. He’s definitely not 70 years old. Students analyze charts and graphs to reveal the pattern of human/dog aging for different sized animals. DogYears2015.pdf For members we have an editable Word docx and solutions. DogYears2015.docx DogYears2015-solution.pdf CCSS: 4.A.5, 5.OA.3, 6.EE.9, 7.RP.2… 0, 3

# Scoring Olympic ski jumping

…h of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair or not. In ski jumping each entrant receives style points and distance points. Check it out! The activity: OlympicSkiJumpScoring.pdf For members we have an editable Word dock and solutions. OlympicSkiJumpScoring.docx OlympicSkiJumpScoring-solution.pdf CCSS: 5.NBT, 5.OA, 6.NS, 6.EE, 7.NS, 7.EE, HSA.CED More… 0, 3

# Who had the greatest NBA season ever?

…Excel to your classes. Enjoy! The Activity: best-NBA-season-ever2016.pdf For members we have an editable Word doc, an Excel file, and solutions. best-NBA-season-ever2016.docx greatest-season-ever2016.xls best-NBA-season-ever2016-solutions.pdf CCSS: 5.OA.1 , 5.NBT.7 , 6.NS.3 , 6.EE.2 , 6.EE.3 , 6.EE.6 , 7.EE.1 , 7.NS.3, HSA.SSE.A.1, HSA.SSE.A.2, MP.4 , MP.7 Special Thanks to John Tague, [ @jtague252 & http://lefthandededucator.blogspot.com/ ] for his help and feedback prior to the post of… 0, 3

# Why does the date of Hanukkah keep changing?

…on the same date? Students look at the Hebrew calendar and appreciate the incredible mathematics involved in creating a calendar that aligns both the moon’s rotation about the Earth and the Earth’s rotation about the Sun. The activity: hebrew-calendar2016.pdf For members we have solutions for this activity below. hebrew-calendar2016.docx hebrew-calendar2016-solutions.pdf CCSS: 5.NBT, 5.OA, 6.SP, 8.SP, S-IC… 0, 3

# Ghost Whisperer

…z, CA and was inspired by a workshop given by Dr. Patrick Callahan. The activity sheet: Ghost-Whisperer.pdf For members we have an editable Word doc, solutions, and teaching suggestions: Ghost-Whisperer.doc Ghost-Whisperer-solution.pdf CCSS: 4.OA.4, 5.OA.1, HSA.CED.A.2, MP.1, MP.3, MP.4, MP.7, MP.8 .@Yummymath My students loved the “ghost whisperer problem,” as in wouldn’t-leave-even-after-bell-rang loved it. — Robin Hosemann (@robinhosemann) February 25, 2014 @Yummymath Love the Ghost… 0, 3

# Windchill

…atures, use wind chill numbers to estimate possible wind and temperature factors, and generally become familiar with this sort of interpolation and calculation. Also check out this windchill calculator, which you can use to quickly find the windchill for a given temperature and wind speed. The activity: WindChill.pdf For members we have an editable Word docx and solutions. WindChill.docx WindChill-solution.pdf CCSS: 5.OA.3, 6.EE.1, 6.EE.2, 7.EE.3, 7.EE.4, 8.EE.7, HSA.REI.B.3, HSF.LE.A.1,… 0, 2

# Saffron and paella

…immensely wealthy. crocus sativus – Clicking on this image will open it larger in a new page. How long will it take me to make my fortune? This is a very rich task involving conversions, patterns, spatial reasoning and modular arithmetic. Great for a class activity or challenge work for high performers. Paella.pdf For members we have an editable Word docx and solutions with teaching tips. Paella.docx Paella-solution.pdf CCSS: 5.OA, 7.RP, 8.SP, HSS, HSN Check out all current Yummymath lessons in… 0, 2

# Memorial Day, 2016

…and casualties that have been caused by war. While trying to make conclusions and observations about the numbers, they can’t help but appreciate the terrible cost of war and the gift that those that serve in the military have given us and our country. memorial-day2016.pdf For members we have an editable Word doc and solutions. memorial-day2016.docx memorial-day2016-solution.pdf CCSS: 5.OA, 6.RP, 7.RP, 7.SP… 0, 2

# Stress reducing coloring and Fibonacci

…licking on any of these images will take you to pdf drawings of the grids that you can print and color. Here’s a little background on Fibonacci numbers and how they relate to these designs: Fibonacci-Numbers.pdf For members we have editable Word drawings that you can use to modify our drawings and make your drawings unique. FibonacciGrid.docx GoldenSpiral.docx GoldenPentagram.docx CCSS: 5.OA.B, 7.RP.A.2, HSF.IF.A.3… 0, 2

# Where do those convention delegate numbers come from?

…We hear nightly about who won delegates in state elections. But different states have different numbers of delegates. How is that figured out? Is it fair? The activity: Delegates.pdf Here’s a calendar of the nomination process: ElectionCalendar.pdf For members we have an editable Word docx and solutions. Delegates.docx Delegates-solutions.pdf CCSS: 5.OA, 6.RP.A, 7.RP.A, 8.SP, HS.CED, HS Modeling Click here to see all of our activities listed in one place…. 0, 2

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# Labor Day, 2016

In this short activity, students learn the meaning and history of Labor Day as they look for patterns emerging from the Labor Day dates over the past years. Students then use those observed patterns to predict future dates of the holiday. The activity: LaborDay2016.pdf For members we have an editable Word doc and solutions. LaborDay2016.docx LaborDay2016-solutions.pdf Common Core State Standards Correlation: MP.1. Make sense of problems and persevere in solving them, MP.2. Reason abstractly… 0, 0