Valentine’s Day and the Lunar New Year

Which Sweet Heart candies are the best deal? - Students decide which quantity of Sweet Heart candies is the best deal.  Ratio tables, unit ratios, devising convincing arguments. 6.RP.2, 6.RP.3, 7.RP.2
Sweetheart Candies - unit rate and ratio activity using those little candy hearts.  6.RP, 7.RP, N-Q

Where have all the flowers ... come from?where-are-flowers-from - Analyze a pictograph to see what can be deduced.  Cost of flowers in different countries, source of flowers, how many hours you must work to earn a rose ... 4.OA, 4.NF, 5.NF, 6.RP.3, 7.RP

cardioidValentine Cardioid - Four ways to construct cardiodes for Valentine's Day.

How did I graph this heart? - What equations helped me draw this Valentine's heart? 8.EE, 8.F, HSA, HSG

Holiday Candy Sales - Translate a pie chart of data to actual dollars spent on Valentine's Day candy, Halloween, Christmas, Easter, and Hanukah. 6.RP.3 , 7.RP.3  7.EE.3

Chocolates - Students estimate volume of various candies by approximating surface area. 3.MD.5, 3.MD.6, 6.G.1, 7.G.4, 7.G.6

cans-heart2Have a heart - Canstruction - Estimate the quantity of kidney bean cans needed to build this giant heart.  Volume, analysis, collaboration, estimation ... MP1, MP2, MP3

Chocolate-raspberry heart-shaped cake - Students build a heart cake and use ratio information to find the quantities of cake and icing resulting from increased dimensions. 7.G.B.4, 7.G.B.6, 7.RP.A, 7.EE.B, 8.G.C.9, HSG.GMD.A.3, HSG.MG.A.1, HSN.Q.A, HSA.CED.A.1

A parametric heart ... with loveExcelParametricHeart - Students use unit triangles and manually calculate sine and cosine of π/2, π, 3π/2, and 2π as they try to graph this great-looking, curvy heart using parametric equations.  We also have them create it using Excel, on a graphing calculator and with online graphing tools. HSG.SRT, HSF.TF

Year of the Dog - The Lunar New Year celebrations are just beginning again.  Let your students appreciate this major event as they look for patterns in the 60 year cycle. 6.NS.4, 7.SP.8, S-CP

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