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10 Million nematodes
Algebra Number Sense Science
Nematodes Grubs are killing my grass.  I don't want to put poison into the ground.  What can I do? There are tiny roundworms called beneficial nematodes. They can kill destructive so...
rates ratios 4.MD 5.MD 8.EE 6th 7th 8th HS 5th HSF density of solutions 6.RP.A 7.RP.A nematodes

Flag Art
Number Sense Geometry Social Studies Art Ratio and Proportion
    A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios for the official...
proportions 6.RP.2 6.RP.3 7.RP.1 7.RP.2 7.G.1 6.RP.1 ratios 5.NBT 6th 7th 8th 5th 4th 5.NF.B 6.RP.A 7.RP.A 4.NBT ratio conversion

Giant chocolate bunnies
Number Sense Geometry Food Holidays Ratio and Proportion Probability and Statistics
What can you deduce about these bunnies from their descriptions ... solid? hollow? cost per pound? cost per height? Anything else? For Adventurer members we have an editable Word d...
Unit rate ratios 6th 7th 6.RP.A 7.RP.A data deductions and analysis Easter Business

Temperature change (Discussion Prompts)
Number Sense Science
    Note: This is not intended as a comprehensive activity with solutions. Instead, it serves as a discussion prompt. Have fun! It's been a crazy winter of extremes through much o...
integer 7.NS.1 7.NS.3 6th 7th 6.NS.5 integer subtraction rational numbers differences integer operations weather

Chili Con Queso
Number Sense Food Ratio and Proportion 3-act tasks Probability and Statistics Wow factor
Act 1: Take a look at the promo at Moe's. What is the first question that comes to mind? How much does a 42-gallon jug of Chili Con Queso cost?  How many cups or bowls of Chili Co...
ratio proportions 6.RP 5.NBT.5 5.MD.1 6th 5th quantities 3-act task

Which Sweet Hearts are the Best Deal?
Algebra Number Sense Food Holidays Ratio and Proportion
  I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online.  Which should I select? In this activity, students determine which package of...
Data and Probability proportion ratio Unit rate candy 6.RP.2 6.RP.3 7.RP.2 6th 7th Valentine's Day valentine

How large a TV should I get?
Algebra Number Sense Geometry
Whether you are in middle school or high school, someday you are going to be moving out and you might need to select the right size HDTV for your living space. I found this guide th...
7.G.1 MP1 6th 7th 5th 5MD.1 MP6 MP4 ratio measurement scale Scale drawings Pythagorean Theorem

An ounce of cola
Number Sense Food
Which is more expensive; gasoline? milk? or cola?  Students calculate the per ounce cost of each of these liquids in a story about a man doing errands.  After finding the per ounce price, ...
Data and Probability proportion ratio 6.RP.2 6.RP.3 rates 6.NS.3 6th 7th 5th unit pricing gasoline per ounce cola per ounce milk per ounce sale Unit rate

Mom's matzo ball soup
Number Sense Food Holidays
 Passover is one of the three high holidays in the Jewish calendar and celebrates the Exodus of Jews from slavery in Egypt. Let your students review fractions in this investigation on tripling my...
Fractions Recipe 6th 5th 3rd 4th fraction operations Passover matzo balls

Green, green river
Algebra Number Sense Holidays Ratio and Proportion
During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and  attempt to figure ...
Data and Probability proportion ratio percent Unit rate estimation Volume 5.MD 6.RP 6.G 7.RP 7.G 6th 7th 5th St. Patrick's Day

HDTV Surprise!
Number Sense Geometry
  How were your holidays?  Your school vacation?  Mine was good. I surprised my family with this HDTV, which I wrapped and hung on our wall.  The size of an HDTV is determined by ...
proportion ratio Pythagorean Theorem scale 7.G.1 HDTV 7.RP.3 8.G.7 7th 8th HS HSG-SRT.C.8

California wildfire
Number Sense Geometry Science
Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park.  In this activity we ask students to examine various maps of this California region, calculate distances us...
Data and Probability measurement scale 7.G.1 ratios 7.RP.3 5.NF 6.G.1 6th 7th 8th 5th area
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