A comprehensive review of adding and subtracting negative numbers with a final treasure hunt themed activity.

Exploring subtraction by 'diving down' or removing depth, focusing on movement to the left on the number line.

Learning to add integers by 'swimming up' the number line, using simple visual aids and low numbers.

Introduction to the number line, positive and negative integers, and the concept of sea level as zero.

A hands-on lesson focusing on the recognition and application of mathematical symbols in numbers and operations through a collaborative Tarsia puzzle activity.

A comprehensive lesson on supplementary and complementary angles, focusing on definitions, identification, and calculating unknown values in geometric diagrams.

A comprehensive 45-minute TEKS-aligned review for grades 6-8 covering proportional relationships, equations, and geometry through a construction-themed 'Blueprint Builders' challenge. Includes STAAR-style items and error analysis.

A comprehensive 10th-grade geometry lesson focusing on the five ways to prove a quadrilateral is a parallelogram, featuring coordinate geometry and formal proofs.

A foundational lesson on solving one-step algebraic equations using inverse operations, featuring a comprehensive reference guide and practice opportunities.

A lesson focused on solving one-step linear equations using inverse operations, culminating in a word scramble activity.

A comprehensive lesson on graphing linear equations using the slope-intercept form ($y = mx + b$). Students will learn to identify key components of the equation and translate them into visual lines on a coordinate plane.

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, 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.

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 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.

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.

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.