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tags: linear relationships

Tags: fiscal cliff, price per square inch, Boston Marathon, 8.EE.3, latitude,
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tags: linear relationships
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Thank you, mother and father, for all of those diapers (Updated)
Algebra Number Sense Holidays and Annual Events
Which is a better deal, cloth or disposable diapers?  How much did you cost your parents in diapers?  In the future, how much could your kid's diapers cost?  Help students realize all t...
6th 7th 8th 6.EE.9 7.EE.4 8.EE.8 8.F.4 8.F.2 MP7 MP8 linear equations linear relationships graphing graphing linear relationships inflation diapers Mother's day father's day

Cost of light bulbs (Updated)
Math and Social Studies Ratio and Proportion
With incandescent and halogen bulbs banned since 2023, students compare CFL, LED, and Smart LED bulbs, calculate energy use in kilowatt-hours, and determine which bulb is the better deal over time.&nb...
slope graphing linear relationships linear relationships Earth day environment rates 6.RP.3 6.EE.9 6.NS.3 7th 8th 6th

Hybrid, Electric or Gasoline
Algebra Number Sense Data and probability
 Gas prices are up, EVs are everywhere, and hybrid technology keeps improving!So which car is better? Which car would you/your family choose? Students compare the latest prices (updated) of a hyb...
6.RP 7.RP 7th 8th 8th HS 8.EE.C systems of equations environment finding equations linear equations slope graphing graphing linear relationships graphing equations to find solution

C and F
Math and Science Any time math
This activity begins with exploring connections among a few photos to spark curiosity and critical thinking in the starters, before diving into the main activity where students will wo...
7th 8th 9th 8.F.B.4 8.F.A 8.EE.C 7.RP.A.2 linear equations linear relationships graphing linear relationships temperature conversion

Chocolate Milk Account

Algebra Number Sense Math and Food Ratio and Proportion
🔔 Free Trial Alert! In this activity, students will explore a school milk account where money is deposited and deducted as chocolate milk is purchased over time. But first, start off with the&nbs...
8.EE HSA-CED 6th 7th 8th HS 7.RP.A 7.EE.B food linear equations reading graphs slope rate of change graphing linear relationships freesample

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

Bowling Deals
Algebra Number Sense Sports Ratio and Proportion Data and probability
Is there a general way to figure how much its going to cost you (and your friends) to go bowling? Should you pay per game?  Or bowl per hour?  Don't forget that you'll need to rent sho...
linear 8.F.4 HSF-LE.A.2 8.F.3 HSF-LE.B.5 linear relationships bowling cost graphing linear relationships bowling slope

How Much is a Tweet Worth?
Algebra Number Sense Math and Social Studies Sports Ratio and Proportion Data and probability
These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money.  In this activity students study how ...
line of best fit Unit rate 6.RP.3 7.RP.2 8.SP.2 8.SP.3 HSS-ID.B.6 8.EE.5 8.F.4 HSF-LE.A.2 MP.4 6th 7th 8th HS HSS.ID.C.7 HSS-ID.C.8 graphing linear relationships

The growth of Godzilla
Algebra Number Sense Geometry Data and probability
Image from Kris Holt: http://www.policymic.com/articles/76357/the-scary-way-godzilla-has-evolved-through-the-years-in-one-chart The new Godzilla movie is out at theaters.  ...
similar figures Scatter Plot movies 7.G.1 5.G.1 HSS-ID.B.6 8.SP.1 Growth 7th 8th HS 5th similarity Unit rate linear equations linear relationships

Cost of light bulbs

Algebra Number Sense Math and Science Math and Social Studies Ratio and Proportion Data and probability
 This activity has been updated (2026). See the new activity here:https://www.yummymath.com/post/light-bulb-cost-comparison/ There's a lot of misinformation out there about the cost to consu...
Unit rate estimation environment 6.EE.9 6.RP.3 rates 5.NBT.7 6.EE.1 6.NS.3 8.EE.8 Earth day 6th 7th 8th HS 5th 5.NBT.3 HSF.IF.C.7.B HSA.REI.C.6 climate change slope linear relationships
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