# 60 search results for ""HSF""

## Should I replace my toilets?

…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

## 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

…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

## Will the new iPhone sales be huge?

…ata through a bar graph, while older students can use a scatter plot and even use equations to model sales growth. The Activities: iPhone8-scatter-plot.pdf iPhone8-bar-graph.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; iPhone8-scatter-plot.docx iPhone8-bar-graph.docx an Excel spread sheet of data; iPhoneYearlySales.xlsx and solutions: iPhone8-scatter-plot-solution.pdf iPhone8-bar-graph-solution.pdf Check… 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

## 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

## 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

## Double Discount

…Wow, check out this sale! I’m gonna be able to get this great hoodie so cheap! If I use the promo code what will be the total percent off? The activity: DoublePercentOff.pdf CCSS: 6RP.3, 7.RP.3, HSF.IF.C.8b, HSF.LE.A.1c For members we have an editable Word docx and solutions. DoublePercentOff.docx DoublePercentOff-solution.pdf Click here to see all of our activities listed in one place…. 0, 2

## Only 10 cents for all-you-can-eat ice cream?

…he past but was it worth enough even then? How much would that all-you-can-eat ice cream special cost today? We know that the business didn’t fail but did they break even on this sale? The activity: 10cents-forAllYouCanEat.pdf CCSS: 6.RP.A, 7.RP.A3, HSF.IF.C, HSF.LE.A For members we have an editable Word docx and solutions and extra facts. 10cents-forAllYouCanEat.docx VariousIceCreamPrices+inflation-rates.xlsx 10cents-AllYouCanEat-solutions.pdf You can also use this inflation calculator as a… 0, 2

## Earth Day, 2017

…pliances. Students use decimals operations, order of operations, graphing, systems and piecewise functions in this activity to help them think about ways to conserve the energy that they use. 5.NBT.3, 5.NBT.7, 6.NS.3, 6.RP.3, 6.EE.1, 6.EE.9, 8.EE.8, HSF.IF.C.7.B, HSA.REI.C.6, HSA.CED.A.2 Recycling Mardi Gras beads – Mardi Gras is a last hoorah and is celebrated throughout the world with feasting, partying, and general indulgence. In New Orleans revelers throw and collect purple, green, and gold… 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

## 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

## 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

## 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

## Highest grossing movies

…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