…I’m trying to be more savy about wasting our resources. I have really old fashioned toilets and I’m trying to figure out if I should invest in saving water. Can you help me? The activity: PottyTalk.pdf CCSS: 8.F.3, 8.F.4, 8.F.5, HSF.IF.B.4, HSF.IF.B.6, HSF.IF.C.7, HSF.IF.C.9, HSF.LE.A.2, HSF.LE.B.5 For members we have an editable Word docx and solutions. PottyTalk.docx HowMuchWaterWeUse.xlsx PottyTalk-solution.pdf Click here to see all of our activities listed in one place…. 0, 6

# 58 search results for ""HSF""

# Earthquake magnitudes, Nepal

…nitudes. Discuss linear versus exponential growth and if students are ready, get into logs, either base ten or e. You might also use our graph of Richter magnitudes at Desmos.com. earthquake-richter-scaleApril2015.pdf CCSS: 8.F.4, 8.F.5, HSF.LE.A.1, HSF.LE.A.2, HSF.LE.A.4, HSF.LE.B.5 For members we have an editable Word docx and solutions. earthquake-richter-scaleApril2015.docx earthquake-richter-scaleApril2015-solution.pdf Richter-scale-vs-energy-yield-2.xlsx Check out all current Yummymath… 0, 4

# iPhone 7 opening weekend

…ents rough out their models & predictions as they work through the activity. The Activities: iphone-opening-sales-bar-graph2016.pdf iphone-opening-sales-scatter-plot2016.pdf CCSS: 8.F.3, 8.F.5, 8.SP.2, 8.SP.3, HSF.IF.B.6, HSS.ID.B.6, HSS.ID.C.7, HSF.LE.A.1, HSF.LE.A.2 For members we editable Word docxs; iphone-opening-sales-bar-graph2016.docx iphone-opening-sales-scatter-plot2016.docx an Excel spread sheet of data;iphone-opening-weekend-sales16.xlsx and… 0, 3

# Doubling your money

…there any tricks? Explore investing and exponential growth as your students discover “The Rule of 72.” Also check out this Rule of 72 calculator (or our calculator below) & this video from Khan Academy on the Rule of 72. Rule of 72 activity: doubling-your-money.pdf For members we have an editable Word docx, an Excel data file and solutions. doubling-your-money.docx Double_your_money_data.xlsx doubling-your-money-solution.pdf CCSS: 7.RP.3, HSA.CED.A.2, HSF.LE.A.1, HSF.LE.A.2, HSF.LE.A.4,… 0, 3

# Ebola updated

…nt numbers again for you and your class to study, analyze, and look for trends, hope, suggestions, and conclusions. Spread-of-Ebola-updated.pdf Ebola-student.xlsx For members we have a teachers Excel sheet with graphs, an editable Word docx, and some observations and solutions. Spread-of-Ebola-updated.docx Ebola-teacher.xlsx Spread-Ebola-updated-solution.pdf CCSS: 8.F.A.2, 8.F.B.4, HSF.IF.B.6, HSF.IF.C.8.b, HSF.LE,A.1,b, HSS.ID,C.7, HSM… 0, 3

# Done with the leaves … now for the snow

…? Use this to show that not all relationships are linear. Check out the table, rule and graph compared to linear relations. They discover that you can’t divide by zero. With 4 people it takes 3 hours to rake my leaves, because 4×3=12 or 12/3=4. What about 6 people? 6×2=12 or 12/6=2? What about zero people? Can’t happen because nothing multiplied by zero makes 12 and you can’t divide 12 up by zero people. CCSS: 5.G.1 , 5.G.2, 6.EE.6, 6.EE.7, 6.EE.9, 8.F.4, 8.F.5, HSA.CED.2, HSA.REI.10, HSF.IF.4,… 0, 3

# Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook

…additional and important conversation to be had: how could they use that money to make the world a better place? We have a handout for students with extension questions: Zuckerberg-donation.pdf For members we have an editable Word docx and teacher notes on your classroom discussion. Zuckerberg-donation.docx Zuckerberg-donation-TeacherNotes+Solutions.pdf CCSS: 6.RP.3, 7.RP.3, 7.EE.3, HSF.LE.A.1, HSF.IF.C.8b… 0, 2

# Oscars 2014

…and percents. The activity is appropriate for middle schoolers and high schoolers as well by allowing students to generalize a formula for finding the adjusted-for-inflation earnings of any movie. highest-grossing-movies.pdf CCSS: 7.NS.3, HSA.CED.1, HSF.LE.1, HSF.LE.2 For members we have Word docs, an Excel sheet and solutions. highest-grossing-movies.doc highest-grossing-movies-solutions.pdf oscars2013.xls More Oscar’s related activities: You can also use some of our past activities to bring… 0, 2

# Snow Days

…Hour Activity which focuses on graphing and finding average snowfall rates (slope) in this scenario. Students create a graph and determine the average snowfall rate for various periods of time in this story. Which time period had the greatest average snowfall rate? How does this time period’s graph compare to other time periods? Students investigate slope and steepness in an authentic context. Activity: Snow_Days.pdf CCSS: 8.F.5 , 8.SP, HSF.IF.B.6 , HSF.LE.A.2 , HSS.ID.B.6 For members we have… 0, 2

# U. S. Open Tennis Tournament

…. We’ve updated our numbers and focused on the prize money. As students ponder the amounts for various wins, they will work with patterns, use number sense, reasoning, and have the opportunity to model real-life situations with algebra. U.S.Open2013.pdf An editable Word doc, solutions, and teacher tips are available for members. U.S.Open2013.doc USOpen2013-solution.pdf CCSS: 8.F.3, HSF.LE.1, HSF.LE.2… 0, 2

# Jackie Robinson

…had begun his MLB career at the age of 20. We also take a look at the value of his first baseball card and speculate how much the card will be worth in the future. See the activity, CCSS correlation and the trailer for “42” below. Remembering_Robinson.pdf For members we have an editable doc, an excel chart, and solutions. Remembering_Robinson.doc Robinson-data.xls Remembering_Robinson-solution.pdf CCSS: 6.SP.3, 6.EE.9, 7.EE.3, 7.EE.4, 8.F.4, HSF-LE.A.2, HSF-LE.A.3, MP.1, MP.3, MP.4 Thanks to… 0, 2

# Super Bowl ad costs still increasing

…in your class in the days leading up to or right after the Super Bowl, when everyone is talking about those commercials. The activity: expensive-ads2017.pdf For members we have solutions for this investigation, an editable Word doc and an Excel sheet of the costs. expensive-ads2017.docx rising-sb-ad-cost2017.xlsx expensive-ads2017-solution.pdf CCSS: 8.F.3, 8.F.5, 8.SP.1, HSS.ID.B.6a, HSF.LE.A.1, HSF.IF.C.8b… 0, 2

# Let’s get rich

…act growth rate by finding the geometric mean of the growth rates. Older students can apply nth roots and write exponential functions to model investment growth over time. The Activity: Let’sGetRich.pdf For members we have an editable Word docx, an Excel sheet of our data calculations, and solutions and teaching tips. Let’sGetRich.docx LetsGetRich.xlsx Let’sGetRich-solution.pdf CCSS: 7.RP.3 ,HSF.LE.A.2, HSF.LE.B.5, HSN.RN.A.2, HSM… 0, 2

# 10 cents for all you can eat ice cream! Crazy!

…ream special cost today? We know that the business didn’t fail but did they break even on this sale? The activity: 10cents-forAllYouCanEat.pdf For members we have an editable Word docx and solutions and extra facts. 10cents-forAllYouCanEat.docx VariousIceCreamPrices+inflation-rates.xlsx 10cents-AllYouCanEat-solutions.pdf Provided by CPIInflationCalculator.com CCSS: 6.RP.A, 7.RP.A3, HSF.IF.C, HSF.LE.A… 0, 2

# Windchill

…ally 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, HSF.LE.A.4, MP.4… 0, 2