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.

Extends number sense to 100, emphasizing place value (tens and ones), magnitude comparison, and identifying patterns in the 100-chart.

Develops the ability to compose and decompose numbers within 20, focusing on the power of 10 and building basic addition/subtraction fact fluency.