Binary Code Challenge

2+ results

Guided Proof of Law of Cosines

Created by

An enrichment activity for advanced classes or students needing a challenge. A two-column proof of the Law of Cosines, using right triangle trigonometry, is provided for the teacher. On the student handout, the steps are present, but out of order. Students are asked to cut the steps out and the re-arrange them into a logical sequence. A teacher could ask for a written or spoken explanation of why the steps work if desired.

9th - 12th

Algebra 2, Geometry, PreCalculus

CCSS

HSG-SRT.B.4

, HSG-SRT.D.10

, HSG-SRT.D.11

Surface Area to Volume Ratio (SA:V) Calculation Practice + Answer Key|AP Biology

Created by

Know and Grow with Gnomes

✨Give your students the confidence to tackle one of AP Biology’s most essential concepts with this Surface Area to Volume Ratio (SA:V) Practice Activity. This resource blends math practice with real biology connections so students not only calculate SA:V but also understand why it matters for diffusion, cell efficiency, and organism adaptations. ✅What’s Included: Student Practice Worksheet with problems on cubes, spheres, rectangular solids, and cylinders Step-by-Step Teacher Answer Key with

9th - 12th

Biology, General Science, Geometry

CCSS, NGSS

HSN-Q.A.1

, HS-LS1-2

Also included in: AP Biology - Surface Area to Volume Ratio (SA:V) BUNDLE: Notes, Practice, FRQs