We were inspired by Dan Meyer’s 3Act lessons and wanted to create a series of 3Acts for Elementary Mathematics (and some for Middle School)! Please share your comments and let us know if you try one (or more). We’d love the feedback! Thanks in advance!
The link below will take you to the tasks that we (Graham Fletcher Jenise Sexton, and I) have created along with the help and inspiration of many others! Please feel free to share any of your ideas, tasks and comments!
Task 
Media 
Standard 1 
Standard 2 
Standard 3 
Suggested Question 
Video 
4.NF.4 
3.NF.1 
How many Sweet Tart Hearts of each color? 

Video 
4.NF.4 
3.NF.1 
How many Sweet Tart Hearts of each color? 

Video 
5.NBT.7 
5.MD.5 
5.MD.5 
How much money is that? 

Video 
2.NBT.6 
2.NBT.7 
2.NBT.9 
How many Snickers were there? How many Milky Ways are there? 

Candy Bowl Revisited  Video  2.NBT.6  2.NBT.7  2.NBT.9  How many Snickers were therein the bowl? How many Milky Way and Twix candies are in the bowl now? 
Olympic Display  Picture  3.MD.7  3.OA.5  4.NBT.5  How many twelve packs are there in the Olympic display? 
A Mathic Prediction  Interactive  6.EE.2  6.EE.6  How can she predict my number? How can the prediction always be one no matter what number is used?  
Consecutive Number Sums  Video / Interactive  6.EE.2  6.EE.4  6.EE.6  How does he know the sum so quickly? 
Triangle Mystery. . .  Video / Interactive  6.EE.2  6.EE.4  6.EE.6  How did she figure out the top number of the triangle so quickly? 
Snack Mix  Video  6.RP.3  How much of each ingredient is needed to fill all of the cups with snack mix?  
Sphero Draw & Drive  Video  7.G.1  7.RP.3  How far did the robotic ball travel? How much further does it need to travel to complete the rectangle?  
The Fastest  Video  7.RP.2  7.RP.3  How much faster is the Cheetah than Usain Bolt?  
The Pythagoras Tree  Video  8.G.7  8.EE.2  How big are each of the cutout squares? How many grid squares were cut for each color? What is the area of the tree?  
Card House  Video  3.OA.3
3.OA.7 3.NBT.3 
4.OA.3  8.G.7  How tall will the card house be when finished? How many cards/decks were used to build the card house? How many card triangles were used to build the card house? 