Thinking Like Equivalent Fractions Go across disciplines by asking students to write a story about fraction equivalence.
Fill ‘er up with Clam Chowder! Sure gasoline seems expensive. Until you try to fill your car up with other liquids!
Updating Old Questions: Addition With Missing Pieces How can I go beyond asking 20 variations of 622 + 77 = ___?
Could we fit 1,000 kids on the playground? 10,000? If your students can find the area of a square then, armed with Google Earth, they can also figure out how many students you could pack into your school's playground.
Calculating the Volume of Laptops So once your students can calculate volume… what do you have them do next? In this math project, kids will look up historic laptops, calculate their volumes, and note how technology has changed over time.
Universal Themes in Math? With Fractions!? What if we used a universal theme to guide our study of fractions? These very big ideas get students thinking about fractions in a new way.
Updating Old Questions: A math question that’s TOO high level?! What happens when we ask a math level that scares off 83% of our students? Don't lower the ceiling! Lower the floor through scaffolding.
The Surprises Within a Triangle’s Angles Discovering what is interesting and unexpected about a triangle's angles. What twists have I unintentionally spoiled for my students over the years?
Making Awful Graphs Sometimes we can learn a lot by doing something the wrong way. Here are six ways your students can purposefully design awful, misleading graphs.
Big Gifts, Small Prices What if you want to buy a big gift that's cheap for its size? By calculating the volume of the object, we can find how much each cubic inch costs. Measured by price per volume, Thomas is 250 times more expensive than a big outdoor slide!
