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Dunkin's Go2s
Algebra Number Sense Food
Last year, Dunkin Donuts offered a great deal for getting two breakfast sandwiches at a pretty low cost.   Check out their poster for the sandwich costs and pictures. Can you figure ou...
reasoning 6.EE 7.EE 8.EE 6th 7th 8th HS HSA simultaneous equations food

2 Hiking Activities
Algebra Number Sense Sports Ratio and Proportion
How much food do you need to carry to hike the Appalacian Trail? The AT is a hiking trail that begins in Georgia and ends on Mount Katadin, Maine. Fall is a beautiful time to be outdoors or on ...
Data and Probability Unit rate slope Pythagorean Theorem rate 6.RP.2 6.RP.3 7.RP.1 6.RP.1 miles per hour calories 8.G.7 7.EE.3 HSF-IF.B.6 8.EE.5 MP1 MP2 6th 7th 8th HS 8.EE.6 8.G.8 HSG-MG.A.1 MP6 food

Really stuffed!
Algebra Number Sense Food Ratio and Proportion Probability and Statistics
Wow, these cookies look really stuffed! How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gr...
systems of equations nutrition calories 6.EE 7.EE MP2 8.EE 5.OA HSA-CED HSA-REI 6th 7th 8th HS 5th 6.RP.A 7.RP.A MP4 relative measures carbohydrates fats weight food

How much should the 40-oz size cost?
Algebra Number Sense Food Probability and Statistics
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

What me? Irrational?
Number Sense
We've found that some students believe that the approximation that their calculators show for irrational numbers is exact.  Here's an activity that you can advertise as long multiplication ...
5.NBT.7 5.NBT 7.NS.3 6.NS.3 8.NS.1 8.EE 8.G 6th 7th 8th 5th irrational numbers square roots multiplication

Want to earn $150,000? - Mersenne prime search
Algebra Number Sense
What's a Mersenne prime?  How hard could it be to find the next one? Why are there only 50 known Mersenne primes?     What's with $150,000?
6.EE MP1 MP7 MP8 prime numbers 8.EE 5.OA 6th 7th 8th HS 5th 4.OA MP5 exponent create equations

Super Bowl ads and scientific notation
Algebra Number Sense Holidays
The Super Bowl is over now and all of the ads have been seen. Let your students revisit and reflect on the interesting commercials with this scientific notation a...
Data and Probability scientific notation exponent 6.EE.2 8.EE.3 8.EE.4 7th 8th HS 5.NBT.1 5.NBT.2 8.EE.1 HSA.SSE.A.1 operations with exponents powers of ten SuperBowl

Spiraling triples
Number Sense Geometry Art
Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares. For a finale the...
Pythagorean Theorem 7.G 8.EE 7th 8th HS HSG 8.G.B HSF.BF 7.EE.B Pythagorean triples transformation reflection coloring HSG.SRT.C HSA.APR.C patterns finding equations

Measuring sea level
Algebra Number Sense Geometry Science Ratio and Proportion Probability and Statistics
What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we've...
line of best fit rate of change 6.RP.3 7.RP.1 HSF-IF.B.6 MP8 6th 7th 8th HS HSS.ID.C.7 8.F.B.4 climate change Sea level rise create equations ocean topology Australian topology 8.EE.B.5

How did I graph this heart?
Algebra Geometry Holidays Art
  In this activity, students will use mathematical equations to create a heart shape on a coordinate plane. This activity encourages students to apply their algebra and graphing skills creat...
8.EE 8.F 8th HS HSG HSA equations graphing circles graphing lines heart valentine circle Valentine's Day

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

What's my angle?
Geometry Science
 I'm going to help save the planet by adding solar panels to my roof!Should I tilt the panels on my roof to more accurately aim towards the Sun?If so, at what angle should I use?Should I be able ...
latitude MP2 Earth day 8th HS 7.G.B HSG.SRT Solar panel angles Solar geometry 8.EE.B HSG.CO HS.TF HS.C climate change trigonometry
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