Percent Increase and Decrease Quiz
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Programs & methods
Intro to Java: Lesson 4.3 — Recursion
Make recursion actually make sense for your students with this clear, approachable, and classroom-ready Java worksheet packet! Recursion is often one of the most challenging topics in AP Computer Science A, but this resource breaks it down into simple, digestible pieces. Students learn what a base case is, how the recursive step works, and how each method call builds the call stack, all through friendly explanations and carefully scaffolded examples. Designed for grades 9–12, this worksheet
9th - 12th
Computer Science - Technology
CCSS
RST.9-10.3
, RST.9-10.4
, RST.9-10.7
+7
TED Talk: How do hard drives work?- Kanawat Senanan
This high school computer science resource explores how hard drives store massive amounts of data using magnetic patterns and binary systems. Students investigate bits, areal density, and modern innovations while analyzing how advances in engineering and physics have transformed data storage technology. Includes • 20 discussion and comprehension questions • Analytical essay prompt • Structured essay with paragraph guidance and sentence starters • Classroom debate activity • Critical thinking dis
9th - 12th, Adult Education, Higher Education
Computer Science - Technology
TED Talk: Inside your computer- Bettina Bair
This engaging resource breaks down how a computer processes a simple mouse click, helping students understand core concepts like CPU function, memory, and input/output systems. Includes • 20 comprehension and critical thinking questions • Detailed essay prompt • Structured essay with sentence starters • Classroom debate activity • Discussion starters for deeper understanding Grades: 8–12 | Print-and-go
9th - 12th, Adult Education, Higher Education
Applied Math, Computer Science - Technology, Engineering
AP CSA 1.5-1.9 Guided Notes
These guided notes help students master key Java programming concepts from AP Computer Science A Units 1.5–1.9, following the 2025 AP CSA Course and Exam Description. Each section includes fill-in-the-blank notes, coding examples, and short practice exercises that reinforce understanding through active engagement. A teacher version with all answers filled in is included for easy grading, direct instruction, or projection during lessons. 🧠 Topics Covered: 1.5 Casting and Range of Variables
9th - 12th, Adult Education, Higher Education
Computer Science - Technology
Also included in: AP CSA Unit 1
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