We’ve got hundreds of great activities that demonstrate how math happens all around us. Let your student choose an activity that interests him/her and enjoy the discoveries.

Use our present need for cleanliness to engage your students. Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs? In this activity, we’ve asked students to consider whether these claims about these two…

Check out our Christmas Tree. We need to buy lights for the tree. Without calculating, guess how many feet of lights you will need. What information do you need to better estimate the number of feet of lights that you…

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…

Act One: Check out the video slide show. What questions do you have? The Activity: Stacking Jack Suggested Question: How many different ways can I stack Jack? That is, how many different color arrangements are there? If I wanted to take…

Just before Mother’s Day we thought a lot of chocolate play might be timely. Big Snickers bar – 3-act task; How much bigger than a regular Snickers bar is that? CCSS: 4.MD.A, 5.MD.C, 6.G.A, 6.RP.A, 7.G.1, 7.G.6, 7.RP.A

The building of this underground house and pool was presented by Cayote Person and his partner, Mark Lavins, on their youtube channel, “Brave Wilderness.” At BraveWilderness.com the business partners post animal and adventure films to promote education and conservation. Here…

I have to wrap this box. In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together. …with…

Clicking on this image will show it larger in a new window. Danny’s Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this way? Do you see a pattern?…

Warriors won the NBA Championships. Randall won’t have to buy jerseys! The Cleveland Brown’s safety player, Damarious Randall, posted this tweet. Its been very popular and retweeted a lot. How much might he have to fork out for jerseys? Let’s…

Act 1 – Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which slot would give them…

Lorenzo Quinn, an Italian sculptor, created and temporarily installed this piece of art entitled “Support” in Venice. Quinn used his own children’s hands to design this piece. His intention was to demonstrate our need of human support to ensure the…

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…

Note: This is a remake of our 2014 “How Much Does a Lego Cost” activity How much could the Lego Millennium Falcon cost? Student first make a guess and then think about what information would be useful in order to…