Social studies
Checks and Balances: Who Can Stop Whom?
Students match everyday-style scenarios to checks and balances, answer reasoning questions, and design a check of their own.
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Career & technical ed.
Circuit Diagrams and Ohm’s Law on Paper
Students match circuit symbols described in words to their parts, then use Ohm’s law, series and parallel rules and the power formula to solve paper circuit problems.
Mathematics
Complex Numbers: The Cycle of i and Complex Arithmetic
Students discover the repeating pattern of powers of i, then add, subtract, multiply and divide complex numbers.
Mathematics
Exponent Rules and Scientific Notation Workshop
Students apply exponent rules, convert between standard and scientific notation, multiply in scientific notation and solve a travel-time problem.
Mathematics
Exponent Rules: Simplify, Match, and Fix the Mistakes
Students simplify expressions with the product, quotient, power, zero and negative exponent rules, match rules to examples, and fix common errors.
Social studies
Federalism Sort: National, State, or Shared Power?
Students read about federalism, sort ten government powers into federal, state or shared, and reason through a made-up conflict between a state law and a federal law.
Social studies
Inflation and Purchasing Power: A Five-Item Price Basket
Students compare a made-up price basket across two years, calculate inflation and a price index, and see why wages must keep up with prices.
Science
Renewable or Nonrenewable? Energy Sources and Your Power Bill
Students classify eight energy sources as renewable or nonrenewable, then calculate sample electricity bills and the savings from a more efficient light bulb.
Business & personal finance
The Power of Compound Interest
Students use the compound interest formula and a provided growth-factor table to compare simple and compound interest and see why starting early matters.
Science
Work, Energy and Power: Roller Coaster Energy Budget
Students calculate work, kinetic energy, potential energy and power, then fill in an energy table for a coaster car to see energy conservation at work.