A 15-25 minute exploration into how ancient navigators used fixed points (the North Star) and the repeating patterns of the universe (microcosms, macrocosms, and symmetry) to navigate without modern technology.

A 15-30 minute exploration of how ancient Phoenicians used the macrocosm of the stars to navigate the microcosm of their ships, featuring the root words micro/macro/cosmos and the mathematics of rotational symmetry.

A high-energy, 45-minute comprehensive math review covering place value, fractions, and multi-step word problems for grades 3-5, designed as a 'Math Marathon'.

A high-energy, medical-themed 50-minute review of proportional relationships, equations, and geometry for middle school students, featuring error analysis and state-test style practice.

A middle school math lesson exploring proportional reasoning through real-world scaling, mapping, and budgeting scenarios. Students use visual models and multiple pathways to solve authentic problems.

A conceptual introduction to fractions using a bakery theme. Students explore area, set, and linear models through a collaborative 'Great Bakery Mix-up' task designed with UDL principles to ensure all learners can access deep mathematical concepts.

An inquiry-based exploration of proportional reasoning through recipe scaling, map navigation, and smart shopping for grades 6-8, aligned to Massachusetts curriculum frameworks.

A hands-on, kitchen-themed lesson where students explore fractions through area models, number lines, and real-world cooking scenarios. Includes tiered tasks for grades 3-5 to master fractional representation and comparison.

A 35-minute introductory lesson on solving area word problems using context clues and keywords. Students take on the role of 'Area Detectives' to identify when a problem is asking for area and how to calculate it using the length times width formula.

A high-energy lesson focused on mastering multiplication facts up to 12x12 through interactive arcade-themed games and collaborative challenges.

A comprehensive lesson on solving one-step inequalities using addition and subtraction, featuring a visual anchor chart, guided notes for instruction, and a practice worksheet with number line graphing.

Students will learn to translate verbal phrases into mathematical number sentences using the four operations and solve for unknown values in real-world contexts.

In this lesson, students explore compound events by representing sample spaces through multiple lenses: tree diagrams, outcome tables, and organized lists. They move from simple single events to complex multi-stage experiments, learning to calculate total outcomes and specific probabilities.

Students represent and compare fractions on a number line, understanding distance from zero.

Students explore equivalent fractions using visual models and multiplication/division strategies.

Students learn to decompose fractions into unit fractions and non-unit fractions using tape diagrams and addition sentences.

Students identify and label fractions using area models and set models, focusing on the meaning of the numerator and denominator.

A comprehensive guide to solving quadratic equations using various factoring techniques, including GCF, difference of squares, and trinomials.

Une collection de problèmes courts et rapides pour s'échauffer et gagner des points faciles au concours Kangourou.

Focus sur les techniques d'élimination, de test de valeurs et de modélisation par le dessin pour résoudre des problèmes complexes rapidement.

A comprehensive review lesson that synthesizes all the skills learned in the Real World Math series. Students will complete a final assessment covering multi-digit operations, decimals, fractions, and percentages through a variety of workplace and financial scenarios.

Understanding the power of percentages in finance and data. Students will solve for parts, wholes, and percentages in contexts like sales tax, interest rates, discounts, and performance statistics.

Developing a strong grasp of fractions in practical contexts such as construction, cooking, and time management. This lesson covers simplifying, adding/subtracting with unlike denominators, and multiplying/dividing fractions.

Mastering decimals through the lens of currency and precise measurements. Students learn to add, subtract, multiply, and divide decimals to calculate unit prices, handle cash transactions, and interpret technical specifications.

A foundational lesson on multi-digit multiplication and division focused on workplace budgeting and large-scale inventory management. Students will practice these operations through realistic scenarios like calculating monthly revenue and distributing supplies across departments.

A 35-minute lesson focused on decomposing rectilinear shapes into rectangles to find total area using the distributive property, themed around architectural blueprints.

Teacher answer keys for the Real World Math series.

Instructional slides for the Real World Math series.

Une série d'exercices ciblés pour préparer le concours Kangourou des mathématiques, focalisée sur la visualisation spatiale et la géométrie de réflexion.