Common Core standard

Activities for HSF.BF

Real-world activities aligned to this standard.

Autumnal Equinox
Autumnal Equinox

The Autumnal Equinox will occur on Tuesday, September 22, 2026, at 8:06 pm EDT. It is the time of year when an imaginary plane would pass through both...

Algebra Science Grades 6–8
Germ-Killing Wipes
Germ-Killing Wipes

In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does...

Math and Science Grades 5–7
How much water should you be drinking?
How much water should you be drinking?

As we are outdoors more and temperatures are rising, it might be a good time to look at hydration. A healthy requirement for fluids can't really be the...

Algebra Science Grades 5–HS
How fast will my new puppy mature?
How fast will my new puppy mature?

Dudley , born 11/10/2019 Dudley has just come to live with us. He is just a puppy and he is full of energy. He's settling in well even...

Algebra Number Sense Grades 6–HS
Sol LeWitt's pyramid - How might you count those blocks?
Sol LeWitt's pyramid - How might you count those blocks?

Sol LeWitt, Four Sided Pyramid, 1999, Hirshhorn Museum Sculpture Garden, Washington DC Sol LeWitt (1928 - 2007) was a an American artist involved in Conceptual art and Minimalism....

Algebra Number Sense Grades 5–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
Figuring planting dates
Figuring planting dates

It's time to get ready to plant my garden again. But here in Boston we have to start our seeds indoors to give them a head start before...

Algebra Number Sense Grades 8–HS