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Tags: prime numbers, box whisker plot, residuals, 4.MD.5, 7.G.1,
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How long will it take you to trick-or-treat?
Number Sense Geometry Holidays and Annual Events
It's Halloween and this is your neighborhood. How long will it take you to trick or treat at every house in your neighborhood? Possible conversation with students: How long will it tak...
problem solving Halloween estimation MP.1 MP.3 MP.7 MP.2 4.MD.2 6th 7th 8th 5th 3rd 4th 4.NBT.4 8.G.8 4.MD.3 4.NBT.5 3.NBT.2 3.NBT

How much should the 40-oz size cost?
Algebra Number Sense Math and Food Data and probability
We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos.  And they will also make you 40-...
7th 8th HS HSF 8.EE.B linear relationships 8.F.B linear graphing 7RP coffee

Largest coffee, new world record
Algebra Number Sense Geometry Math and Food
The world record for the largest cup of coffee was recently set (see picture above).  In this activity students explore scale, similar figures, volume and measurement as they estimate the...
proportion measurement scale Volume circle cylinder metric simliar figures 8.G.9 G.MG.1 G.GMD.3 7th 8th HS HSG-MG.A.1 coffee

Does it pay to get educated?
Number Sense Math and Social Studies Ratio and Proportion Data and probability
 Why should students do well in school, graduate high school, or go on to college?  In this activity median earnings by various education levels are explored.  Students compare t...
bar graph data analysis 6.RP.3 6.SP.5 6.SP.3 7.SP.4 6.NS.3 6.SP.4 MP1 MP3 comparisons 5.NBT.5 6th 7th 8th 5th Math and Social Studies Number Sense Ratio and Proportion 4.OA.2 4.OA.2

So just print some more money!
Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
                     What's the big deal with our deficit? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students...
percent deficit debt 6.NS 6.RP 7.EE MP8 8.F HSF-IF 6th 7th 8th HS MP5 MP4 revenue expenses stacked bar graph money

Who's going back to school?
Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 school...
ratio percent data analysis percent increase 6.RP 7.RP 6.EE 7.EE 6.SP 7.SP 6th 7th 8th

Stacking Jack
3-act tasks Data and probability
Act One: Check out the video slide show.  What questions do you have? Suggested Question: How many different ways can I stack Jack?  That is, how many different color arrangements...
permutation combination arrangement 7.SP.8 7th 8th HS HSS-CP.B.9 3-act task

What's the answer?
Algebra Number Sense Current events
Image by Twitter user @pjmdoll.  Math doesn't usually create a buzz on Twitter.  This past week this post did just that.  People argued online about whether the answer was 16 or...
5.OA 6th 7th 8th HS 5th HSA.SSE.A.1 order of operations PEMDAS BOMDAS 1 6.EE. 5.OA.1

Are original movies better than their sequels?
Algebra Number Sense Ratio and Proportion Data and probability
We've gathered some data on movie ratings and their sequels and asked students to analyze the data, decide on some analysis and debate (with their mathematical data) which are better ... the origi...
line graph 6.SP.5 random sample population 6.SP.3 7.SP.4 6.SP.2 6.SP.4 7.SP.1 7. SP.3 box whisker plot HSS.IC 6th 7th 8th HS 7.SP.B HSS-ID HSS.ID.A.1 HSS.ID.A.2 HSS.MD HSS.ID.A.3 HSS.IC.A.1 7.SP.A histogram 6.SP.A HSS.CP.A 6.SP.1 HSS.ID.A.4 conflict movies

Bears Ears revisited
Math and Social Studies Current events Data and probability
There is some beautiful land in Utah that was changed last year from federally protected land to Utah overseen land.  The buttes of Bears Ears (shown above) and the surrounding territory cont...
percents reading charts ratios MP3 6th 7th 8th HS 6.RP.A 7.RP.A percent change HSS-ID.A HSF.IF.C implications history
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