Money and Molecules

A two-part sequence exploring segment addition, subtraction, and midpoint relationships through visual GCR deductive reasoning and algebraic modeling.

Bridges geometric segment relationships with algebra, requiring students to write and solve linear equations for collinear segment lengths and midpoints.

A visual reference sheet explaining the 5-or-more rounding rule, detailing place value positions, and breaking down how to round the mileage value 8.7875 to various decimal places.

A multi-day secondary geometry art sequence where students plan, draft, mathematically document, peer-audit, and exhibit original artwork driven by transformations. Students master translations, rotations, reflections, and dilations while bridging rigorous algebraic coordinate notation with expressive visual design.

Explores the Segment Addition Postulate, Segment Subtraction Postulate, and Midpoint Theorem using visual diagrams and Given-Conclusion-Reason (GCR) deduction.

Full teacher answer key updated with reference pictures in the mastery practice table matching the student edition.

A comprehensive 6-week Algebra 1 review unit comprising structured daily bellringers and a detailed teacher answer key with worked-out solutions and misconceptions.

A comprehensive pre-test review lesson for Algebra 1 Unit 2 covering linear equations, literal formulas, and systems of equations. Includes a core study guide, a collaborative station review activity, an annotated answer key, and a teacher facilitation guide for a 45–60 minute period.

Scaffolded notes updated with dedicated SVG picture diagrams in every row of the mastery practice table.

Teacher copy of the Segment Postulates Guided Notes updated with the Halves Postulate terminology and solutions.

Complete teacher answer key and grading guide for the algebraic segments practice problems, proof justifications, and exit ticket with step-by-step solutions.