Common Core standard

Activities for HSA.CED.A

Real-world activities aligned to this standard.

Barcodes and QR codes
Barcodes and QR codes

In this updated activity, students will be introduced to permutations and investigate how the math behind barcodes and QR codes creates endless possibilities for product identification by finding...

Algebra Number Sense Grades 7–8
Downside Up
Downside Up

In this updated activity, students will explore patterns and formulate mathematical relationships through the Canstruction ® exhibit ‘Downside Up.’ Begin with the starter slides for initial estimation attempts...

Algebra Social Studies Grades 7–HS
This shoe is huge!
This shoe is huge!

Brian and his son were doing some shopping when he found this shoe. Egad! Could that be someone's real shoe? In this activity student use a shoe size...

Algebra Number Sense Grades 7–HS
Chocolate heart-shaped raspberry cake
Chocolate heart-shaped raspberry cake

For Valentine's Day, bake a cake! Students calculate base area or volume of cakes made from 2 cake pan sizes and observe how the volume of the cake...

Geometry Math and Food Grades 6–HS
Macy’s Star Rewards Points
Macy’s Star Rewards Points

Wow! Check out this deal at Macy's. For $25 I can join Macy's Star Rewards program. I get 10% back in rewards for every dollar I spend. Its...

Algebra Number Sense Grades 7–HS
Can I get your order right?
Can I get your order right?

You can order a ton of combos at Chipotle. They advertise that there are 65,000 ways to order their meals. Do you think that is correct? Here's an...

Algebra Math and Food Grades 7–HS
Fantasy Football
Fantasy Football

In the midst of another NFL season, we introduce students to Fantasy Football. Students first calculate football points given touchdowns, yardage gains and interceptions. They are then challenged...

Algebra Number Sense Grades 6–HS
Free Flights?
Free Flights?

This can't be right! If my flight cost $200 and I stayed for 10 days it would be free. Right? You can kick off this activity by asking...

Algebra Number Sense Grades 7–HS
What's with the plovers?
What's with the plovers?

Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this...

Algebra Number Sense Grades 7–HS
Deflategate
Deflategate

The deflated ball controversy makes an interesting segue into negative number line understanding. A particular digital psi football gauge reads 0 when the ball is at a proper...

Algebra Number Sense Grades 6–HS