Categories
Genres
2nd
3rd
4th
5th
6th
7th
8th
High school
Sign up / login

Algebra

Genres

Algebra 364
Number Sense 441
Geometry 171
Math and Science 135
Math and Social Studies 133
Math and Food 113
Sports 105
Holidays and Annual Events 119
Suggestions 1
Blog news 13
Math and Art 50
Current events 131
Ratio and Proportion 263
3-act tasks 49
Data and probability 221
Funny 19
Wow factor 38
Any time math 20

Grade

2nd
3rd
4th
5th
6th
7th
8th
High school
We found 217 post available for you

Cost of light bulbs - updated!
Algebra Number Sense Math and Science Math and Social Studies Ratio and Proportion Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your students "do the math" and realiz...

Bits, bytes, and nibbles
Algebra Number Sense Math and Science Ratio and Proportion
Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison.  I decid...

Crop circles
Algebra Geometry Math and Art
  In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles  ...........  crop circles? Many of the ...

Methane math
Algebra Number Sense Math and Science Math and Social Studies Math and Food
Updated!  Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases.  This holstein cow is one of many huge contributors to our methane production. &nb...

My teacher says this stream is parabolic. Is he correct?
Algebra Number Sense Geometry Math and Science
Instead of asking students to just believe what you've said, why not ask them to verify your assertions?  Students plot the points of the stream, perhaps map them with an equation generated b...

Ladder figuring
Algebra Number Sense Geometry
   Brian can't even go to his town's spring festival without seeing math. Let your class approximate the height or length of this ladder by using the relative size of the cars or the p...

Lifespan of a meme, the Harlem Shake
Algebra Number Sense Math and Social Studies Data and probability
Five friends who skateboard and video tape made up a strange dance one afternoon and filmed it on February 2nd (look it up on youtube!).  Now the whole world knows them and their da...

Snow Days
Algebra Math and Science
Here is a picture  from a recent snowfall at my house.  How Much Snow Did I Get?  Have students make an estimate.  Ask them for a guess that is probably a little to...

Is this possible?
Algebra Number Sense Geometry Math and Food
Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.   He wondered if that size coffee cup could really have coffee in it. &nbs...

Storm cleanup
Algebra Number Sense Geometry Ratio and Proportion
This activity could be used as an introduction to trig ratios.  Students figure out the approximate length of the huge branch that I have to fell for safety and firewood. After approximating ...
Display 201 - 210 Of total 217