Curated OER
Fraction Equivalence
Fourth graders explore fractions. They compare different fractions using fraction bars. Students find equivalent fractions and they use fraction bars to visualize addition of fractions.
Curated OER
Goldfish Addition and Subtraction
Engage in a hands-on addition and subtraction activity that is a wonderful tie-in with ocean studies. As the teacher, you will make up equations using construction paper and goldfish crackers. 
EngageNY
Replacing Letters with Numbers II
Teach about properties properly. Individuals investigate the commutative and identity properties for both addition and multiplication. They see that the properties hold true for all values by using substitution to test out several examples.
Noyce Foundation
Lawn Mowing
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...
Curated OER
Fractions of a Band
Third graders investigate fractions. In this time instructional activity, 3rd graders determine the amount of time it takes to perform certain tasks.
Curated OER
Crafty Fractions
Fourth graders study fractions. In this fractions lesson, 4th graders define fraction-related vocabulary words. Students use beads to study fractions. Students draw shapes to study fraction equivalency and brainstorm fractions they use...
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
Illustrative Mathematics
Cynthia's Perfect Punch
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 2
Test scholars mathematic skills with an assessment addressing addition, subtraction, multiplication, place value, measurement, geometric shapes, expanded notation; and their ability to compare numbers, write number...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Curated OER
Technology Lesson Activity: Fractions
Fifth graders practice using the English measuring system by creating fractions.  In this parts of a whole instructional activity, 5th graders combine math key bars to simulate small parts of a bigger item.  Students combine...
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. For this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Fractions
Students observe and demonstrate a variety of activities to identify the fraction parts and the symbols they represent.  As a class they explore different fractions using unifix cubes, then use the cubes to build and discuss the...
K-5 Math Teaching Resources
Blank Number Lines Template
It's no secret that number lines are one of the most useful tools for elementary math teachers. Offering a series of six separate number lines of differing scales, this versatile template can be used when teaching about...
Virginia Department of Education 
Mathematics Vocabulary Cards - Kindergarten
Enhance your math lesson with a series of pictures that illustrate different math concepts. The vocabulary includes a variety of ideas and pictures including fractions, ordinal numbers, picture graphs, and number lines.
Curated OER
Fractions: Addition and Subtraction
Seventh graders add and subtract fractions with like and unlike denominators.  After discussing the use of fractions in the real world, 7th graders work problems and draw models representing each problem.  They observe subtracting...
Curated OER
Hershey Chocolate Fractions
In order for learners to acquire knowledge about math concepts, and in particular fractions, they need concrete ways to practice an abstract concept.¿¿¿ Using Hershey bars builds on prior knowledge as most students have probably...
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
Sticky Note Math
Sixth graders examine mathematical problems that deal with he division of fractions. Sticky notes are used to model the process.
Virginia Department of Education 
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Curated OER
Buggin' Out (Identifying and Adding Amounts of Money)
Students explore consumer math by participating in estimate exercises. In this currency lesson, students identify and define each piece of U.S. currency and their value to the monetary system. Students complete several money worksheets...
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Curated OER
Candy Machine
Using the concept of a candy vending machine, young mathematicians explore the sugar ratios found in different types of candy. Using the provided information, class members calculate and compare different ratios in...