Cette seconde séance confronte les élèves aux soustractions complexes avec de grands nombres (jusqu'à 100 000) et se concentre sur le redoutable piège des zéros intercalés (ex: 10 004 - 3 245).

Cette première séance permet d'élucider le mécanisme de la retenue dans la soustraction posée. Les élèves comparent les deux techniques (emprunt/cassage de la dizaine vs. glissement/addition constante) pour choisir celle qu'ils maîtrisent le mieux.

A hands-on, collaborative math project where students work in teams to design and budget for an ultimate classroom picnic, practicing multi-digit addition, subtraction, and critical decision-making.

A comprehensive Grade 4 mathematics assessment modeled after the NC End-of-Grade released form, divided into Calculator Inactive and Calculator Active parts.

A focused lesson on simplifying fractions using visual models, greatest common factors, and guided practice. Students learn to 'shrink' fractions to their simplest form using a lab-themed framework.

A comprehensive Grade 3 mathematics assessment modeled after the NC End-of-Grade released form, divided into Calculator Inactive and Calculator Active parts.

A comprehensive lesson introducing fraction simplification using visual fraction strip models as key scaffolding, complete with guided worksheets, error analysis, and a teacher answer key.

An end-of-year educational movie unit and math workbook based on the story of Super Mario Galaxy. Students explore gravity, orbits, and space physics through active viewing, followed by high-energy space-themed math puzzles.

A lesson focusing on solving one-step multiplication and division word problems involving single and double-digit numbers, themed around animal care and shopping transactions. Students use structured visual graphic organizers to break down problems, identify operations, and calculate answers.

A high-interest word problem mission where students use visual graphic organizers and self-monitoring checklists to solve multi-digit multiplication and division challenges.

A minimalist, high-contrast geometry lesson where students solve multi-step area and perimeter problems. It features clean, print-friendly task cards with visual scaffolds and simplified language to support diverse learners.

A collaborative data collection and graphing project where students partner up to survey 5th graders, collect tally mark data, and design a custom poster featuring a line plot and an alternative graph style.

A high-engagement, adventure-themed 4th-grade math spiral review game. Students solve word problems spanning fractions, multi-digit operations, area, and decimals to complete a fantasy quest, perfect for online display or in-person play.

A math lesson on division using the partial quotients (Big 7) method. Students explore division word problems and extra practice using a 'friendly numbers' multiplication helper and subtraction workspace in a sci-fi space cargo theme.

An immersive, pirate-themed math escape room where students solve puzzles in multi-digit multiplication, long division, fraction operations, and decimals to crack codes and discover Captain Blackbeard's legendary lost treasure.

A comprehensive practice and support system designed to reinforce fundamental operations, including fractions, multi-digit integers, and decimals. Features a structured 2-page workspace worksheet, a detailed step-by-step teacher answer key, and a visual diagnostic anchor chart.