Common Core standard

Activities for HSA.APR

Real-world activities aligned to this standard.

7 activities Standard: HSA.APR
Browse full library →
Summer Solstice, the longest day
Summer Solstice, the longest day

Sunrise on the summer solstice at Stonehenge June 21st, at 10:57 am EDT, the Earth's North Pole will be tilted as far towards the Sun as it will...

Algebra Science Grades 6–HS
Patterns in the binomial expansion, Pascal
Patterns in the binomial expansion, Pascal

Realizing that (X+Y)n can be expanded with the help of Pascal's Triangle offers some pretty and interesting math play. We love to bring a little fun and beauty...

Algebra Number Sense Grades 7–HS
Where should I drop my puck
Where should I drop my puck

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....

Algebra Number Sense Grades 6–HS
Pythagorean Triples and coloring
Pythagorean Triples and 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...

Algebra Number Sense Grades 7–HS
Spiraling triples
Spiraling triples

Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares....

Number Sense Geometry Grades 7–HS
Pascal's Triangle coloring and Probability
Pascal's Triangle coloring and Probability

Pascal's Triangle and Probability - This activity could be used to explore the probability of coin tossing results. When the combinations get too complicated to list, students can...

Algebra Number Sense Grades 7–HS
How much have doughnuts changed?
How much have doughnuts changed?

Part of the Smithsonian's Sally L. Steinberg Collection of Doughnut Ephemera -- Click on the image to see it larger. When you are working on volume in your...

Algebra Number Sense Grades 8–HS