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Curated OER
Comparing Fractions
Young mathematicians compare two fractions with like denominators and then move to the next level to compare fractions with unlike denominators. They will first try to use mental math to make educated guesses. There are a few guidelines...
Earth Watch Institute
Entering Local Groundhog Data in an Excel Spreadsheet
Here is a cross-curricular ecology and technology lesson; your learners create spreadsheets depicting the location and number of groundhog dens in a local park. They research groundhogs and analyze data about where the groundhog...
Space Awareness
What is Time?
Does it ever seem like time is slipping through your fingers? Model the passing of time with an hourglass activity in which individuals determine whether hourglasses are the most efficient way to measure time.
EngageNY
Solving Problems Using Sine and Cosine
Concepts are only valuable if they are applicable. An informative resource uses concepts developed in lessons 26 and 27 in a 36-part series. Scholars write equations and solve for missing side lengths for given right triangles....
Utah Education Network (UEN)
Geo Shapes
Invite your first graders to compose and decompose two and three-dimensional figures with this fun, hands-on lesson. They investigate and predict the results of putting together and taking apart two-dimensional shapes with rubber bands...
Math Centre UK
Fractions
Reinforce fraction instruction with an informative worksheet equipped to provide independent practice, as well as guidance and modeling. Support is provided to boost proficiency in finding equivalent fractions, and adding,...
California Education Partners
Cady's Cats
How much can a cat eat? The five-question fraction assessment asks pupils to determine the fractional portion of a food box eaten by cats. Learners show their proficiency in adding and subtracting fractions using several scenarios...
EngageNY
Margin of Error When Estimating a Population Proportion (part 2)
Error does not mean something went wrong! Learners complete a problem from beginning to end using concepts developed throughout the last five lessons. They begin with a set of data, determine a population proportion, analyze their result...
Curated OER
Pricing Your Craft Worksheet
This cross-curricular activity could be used to teach economics, business, practical math, and more. Learners pretend they are craftspeople and choose a craft to market. Using a graphic organizer and provided models, class members...
Illustrative Mathematics
Average Cost
Here is an activity that presents a good example of a function modeling a relationship between two quantities. John is making DVDs of his friend's favorite shows and needs to know how much to charge his friend to cover the cost of making...
Mathematics Assessment Project
Generalizing Patterns: The Difference of Two Squares
After completing an assessment task where they express numbers as the difference of squares (i.e., 9 = 5^2 – 4^2), class members note any patterns that they see in the problems.
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Initial Fraction Ideas Lesson 10: Overview
Third graders use strips of paper to find equivalent fractions. They will fold paper into thirds and shade 2/3 of the paper. Then fold the same paper in six parts and predict how many parts will be shaded. They will repeat again folding...
Curated OER
Second Grade - Math
For this mixed second grade math review worksheet, 2nd graders answer 25 multiple choice questions. They work with patterns, place value models, fractions, and money in this 8 page worksheet set.
Curated OER
Fraction Models
Third graders make models of fractions and mixed numbers. Using fraction strips and drawing pictures, 3rd graders develop conceptual understanding of the equivalent forms. Students use the number line to represent and compare...
Curated OER
Introducing Models to Elementary School Students
Students explore the concept of models. In this model lesson plan, students examine 3-dimensional models of various objects and body parts to better understand the natural world.
Curated OER
Exploring Arrangements of 2, 3, 4, and 5 Cubes
Learners use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....
Curated OER
Telling Time to 5 Minutes
Learners take part in various activities ranging from creating a human clock, to small group problem solving to reinforce the concept of telling time accurately to five minutes on an analog clock.
Curated OER
Models for Dividing Fractions
Sixth graders represent division of fractions using manipulatives, such as freezer pops, candy bars, and models such as drawings squares. They develop an algorithm from these examples and solve problems using fractions.
Curated OER
Math: Sorting by Attributes
Students draw their version of a Squiggy following teacher modeling. They describe their Squiggies in a partner or small group setting and choose an attribute for a class Squiggy sort. Students discuss attributes of people and different...
Curated OER
Math: O.R.E.O. Woes
In this math worksheet, 3rd graders apply basic operations to answer six questions about Oreo cookies. Next, they create four math problems using pictures and number sentences.
Curated OER
MS Math Dividing Fractions
Seventh graders practice dividing fractions. As a class, 7th graders review multiplication problems and then use a model for dividing whole numbers to discover how to divide fractions. After exploration, the teacher demonstrates the...
Curated OER
It's All About Scale
Sixth graders investigate scale models of toys. In this scale models of toys activity, 6th graders bring in toys from home to measure. Students discuss scale and what scale is used with their toys. Students determine...
Curated OER
How Does Your Garden Grow?
Students construct and maintain a school garden. In this gardening lesson, students plan the construction of the garden by writing letters to local businesses asking for supplies and materials; students build the garden using their math...