Mathematics
Numbers, formulas, geometry, & practicesKey Formulas & Rules
- PEMDAS: Parentheses, Exponents, Mult/Div, Add/Sub
- Area of a Circle: $A = \pi r^2$
- Pythagorean Theorem: $a^2 + b^2 = c^2$
- Slope-Intercept Form: $y = mx + b$
Recommended Sites
- Khan Academy — Video lessons & exercises
- IXL Math — Interactive K-12 practice
- Desmos — Beautiful graphing calculator
English Language Arts
Reading, writing, grammar, & literatureActive Reading Tips
- Annotate: Highlight key lines and write margins notes.
- Summarize: Condense chapters into a single sentence.
- Common Pitfalls: Watch out for Homophones (their/there/they're).
Recommended Sites
- Newsela — Reading articles adapted by levels
- Purdue OWL — Structural writing guides
- SparkNotes — Study guides for popular books
Science
Experiments, diagrams, news, & quizzesScientific Method
Ask a Question → Form a Hypothesis → Design an Experiment → Observe & Analyze Data → State a Conclusion.
Recommended Sites
- PhET Simulations — Free interactive biology/physics labs
- NASA for Students — Earth & space articles
- Ptable — Interactive periodic table of elements
Timeline Strategies
Recommended Sites