Tag: 3rd

Drill bit fractions

Act One:  Drill bits are measured by the diameter of the bit in inches. The drill bits below are ordered left to right in increasing size. The numerators in the fractions have been blacked out.  What could the numerators be?  Explain your…

NHL Playoff games can sure last a long time!

Revised! We’re watching another Stanley Cup playoff now. Will there be any really long games during the playoffs? In 2013, a Stanley Cup playoff match between the Bruins and Blackhawks went into 3 overtimes. People stayed up way too late…

But it didn’t sell?

 A&W offered a bigger, tastier burger but it didn’t succeed in grabbing customers away from the hugely popular McDonald’s quarter pounder. The A&W third pounder hamburger cost the same as McDonald’s quarter pound burger but customers still didn’t bite.…

Is my son going to win … again?

My son’s pretty young but is he still going to whoop me?  We were playing Monopoly Junior.  Can you decide who will win?  In this activity use addition and/or multiplication in authentic problem solving to determine who should win in…

How many cars are there?

I came home from work to find that my son had his cars organized in a tight parking lot on our front porch. How many cars are there? Is it an array and if so, what size array could it be…

A gorgeous, glittery Mother’s Day card

Uh oh!  How do you find the area of a heart? Get your students to help you calculate how many sequins you’ll need to order for this mother’s day class project. The activity:   BejeweledMother’sDayCard.pdf Mother’sDay-card-blank – If you want…

What’s wrong with this picture?

We’ve gotten used to believing what we read or see advertised.  But sometimes the clerk doesn’t get the sales discount right or something seems a little off.  Let students ponder this store menu and see if they can figure out…

Giant macaroon nutcracker, revisited

Each year the Boston Ballet highlights the holiday season with the Nutcracker ballet.  In 2014, the Boston Ritz Carlton Hotel’s chef, Andrew Yeo and his pastry team, created a gorgeous and massive Nutcracker cake of macaroons and fondant to celebrate the…

Pick-a-brick wall at the Lego store

There are walls at the Lego stores that are filled with individual Lego parts.  You can fill a bucket and pick out exactly what you need. Use this PowerPoint activity to get your students conferring with each other, making guesses,…

Pixar versus DreamWorks

Animated films are a billion dollar industry.  The two biggest producers of animated films are DreamWorks and Pixar.  The two have been going head to head for more than ten years now. So how do they stack up to each…

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. The Activity: MLKandMonuments.pdf

Mom’s matzo ball soup

Passover begins this year on Saturday evening, March 27th, 2021, with a Passover seder dinner. Passover is one of the three high holidays in the Jewish calendar and celebrates the Exodus of Jews from slavery in Egypt. Let your students…

Someone ate my cake!

In this fraction operation and representation activity, students are asked to decide how much of my cake was eaten. Using fraction multiplication (or angle measure if that is where you need an activity) they find out how much someone owes…

The size of chocolates

In this activity students approximate the volume (through finding surface area) of three different pieces of chocolate.  The chocolates are shaped like a heart, a bat (for Halloween) and a chocolate turtle irregular shape.