A lesson focused on solving two-step word problems using the four operations, representing unknowns with letters, and checking for reasonableness.

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.

Students transition from scouts to architects, applying their research to design a complex structure blueprint. They will calculate additive angles, classify polygons within their design, and present their final architectural plan.

Students become Geometry Scouts, researching and documenting real-world examples of lines, angles, and two-dimensional figures. They will use protractors to measure angles in their environment and identify geometric properties in architecture and nature.

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 comprehensive set of bulletin board resources and student activities focused on understanding fractions and decimals through the hundredths place, aligned with 4th Grade Texas TEKS.

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.

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.

This lesson introduces two-digit addition using the conserving and incrementing strategies, showing students how to bridge visual base-ten models to mental step-by-step counting.

A collection of 4th-grade Illustrative Mathematics center planning resources, including a visual reference and a CSV data export.

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 lesson focused on mastering three-digit subtraction with regrouping, specifically targeting the challenge of subtracting across zeros and applying these skills to real-world word problems.

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