Algebra

These posts help students see patterns and relationships.

Which is the best deal?

How do you calculate and justify which deal is a better savings?  By dollars saved?  By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A

How much do the tickets cost?

Ooops! I was supposed to buy 4 adult and 2 children tickets, but I accidentally entered four children and two adults … 🙂 Can you figure out how much a child’s ticket and an adult ticket actually cost?

Pi Day

March 14th is almost here ! Celebrate π in your school and in your math class with activities that demonstrate how π was derived; visually show why π makes sense; show a surprising place where π is used; increase students ability to…

How much snow is that?

Start out this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile?  How much snow in volume is on top of the car?  How much could that snow weigh? Students try to approximate…

Who can play in this play area?

                We visited a Chic-fil-A recently.  We had a great meal and my son loved playing in the play area.  While at the play area I noticed two different signs that gave the…

Giant Snickers bar

Wow!  This snickers bar is huge! Act 1 – Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going to judge how much bigger this is…

Share the LOVE contest

Win a year of YummyMath!  Send us your poem, a photo, a video, or a paragraph that shows why you or your students like our work or how we’ve helped your class.  We’ll share the best, and be giving away YummyMath pencils,…

Typical Super Bowl scores

The Super Bowl is coming up!  Are you planning to share a prediction for the score of the big game?  Don’t leave it all to chance, use math to help you get a better idea of what to expect for…

Windchill

When the weather person talks about wind chill did you ever wonder how they calculate that number?  In this activity students use the National Weather System chart to gauge wind chill, examine the patterns that correlate increasing wind and/or decreasing…

Pythagorean Triples + coloring

Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns.  We’ve combined a little coloring with our Pythagorean Triple pattern investigation to let your students relax while they color, view the beauty, and…

Data on the National Mall sites

Activity #1 – Look at the individuals who are memorialized on the National Mall and using fractions or percents decide what you can notice about those we honor.  If you would like to show images of the monuments and memorials to…

Winter holidays

Christmas tree lights – Students first guess how many lights would be required to decorate this tree.  The class finds the mean and median of those guesses.  Then they brainstorm and refine their guesses. Lastly they figure out how large a…

Saving wrapping paper

Dr. Sara Santos is a popular mathematician and speaker on mathematics.  She has worked out a method for wrapping boxes (rectangular prisms) as efficiently as possible. (Watch the video above)  Her method was written up in this article in Mental Floss and…

Soda Menorah

Happy Holidays! This Soda Menorah was on display in a Florida Target store.  It is made up entirely of 12-packs of Coca-Cola products. What questions do you have? Start out the activity by giving kids 30 seconds to look at…