Houghton Mifflin Harcourt
Unit 6 Math Vocabulary Cards (Grade 3)
A set of 49 math vocabulary cards ranges from angle to irregular polygon to parallel lines. Each sheet contains two cards: one with the word printed in bold text and the other with the definition.
Mathematics Assessment Project
Applying Angle Theorems
Polygon ... an empty bird cage? After finding the angles of a polygon, young mathematicians use the provided methods to solve the problem in multiple ways.
Curated OER
Know Your Angles
Explore types of angles and the characteristics of each. After observing a PowerPoint Presentation, learners tour the school facilities and use a digital camera to capture prescribed angles. Using the digital pictures and written...
Curated OER
Our Earth
In this Earth's environment worksheet, students complete a crossword puzzle given 35 clues about a variety of topics related to our Earth. Topics include ecosystems, precipitation, biomes, energy transfer, soil, weathering and rocks.
Curated OER
Pythagorean Theorem by Graphic Manipulation
There are many different ways to show a proof of the Pythagorean Theorem. Here is a nice hands-on paper cutting activity that shows a graphic representation. You can even challenge your young Pythagoreans to come up with their own...
Curated OER
Recycling and Composting
Learners set up composting sites that allow food scraps and paper to be recycled by nature. They are introduced to one aspect of recycling; composting. Students see how God recycles as the worms change garbage into something that brings...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...
Mathematics Assessment Project
Designing a 3d Product in 2d: a Sports Bag
Sew up pupil interest with an engaging, hands-on lesson. Learners first design a sports bag given constraints on the dimensions of fabric. They then evaluate provided sample responses to identify strengths and weaknesses of included...
Mathematics Assessment Project
Sampling and Estimating: Counting Trees
Your task today: count all the trees on a tree farm. To complete the assignment, learners first estimate the number of trees on a tree farm using random sampling. To improve their own response they then evaluate provided...
Workforce Solutions
30 Seconds
Thirty seconds are all scholars have to develop an engaging commercial to showcase their talents and experience within a specific occupation. Pairs work collaboratively to keep each other on time to deliver information speedily and ask...
Purdue University
Design of an Earthen Dam for a Lafayette Neighborhood
How do dams support bodies of water? Scholars engage in a hands-on STEM activity where they design, build, and test dams to learn about bodies of water and how humans use natural resources. They learn how criteria and constraints affect...
NOAA
Mapping the Deep-Ocean Floor
How do you create a map of the ocean floor without getting wet? Middle school oceanographers discover the process of bathymetric mapping in the third installment in a five-part series of lessons designed for seventh and eighth graders....
Curated OER
Fences and Posts
Fifth graders use Geoboards to demonstrate how shapes can be made by looping the rubber bands over the nails. They make a triangle on their Geoboards. At least one side of the triangle should be either horizontal or vertical. The picture...
Curated OER
Dream Bedroom Floor Plan
Pupils build and apply concepts of geometry. In this geometry lesson, students create a building using proportions and scale drawings. They use Cabri technology to create a virtual drawing first.
Curated OER
Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
Curated OER
Getting Familiar with Fractals
Pupils use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
Curated OER
Marshland Wonders
Students review the characteristics of wetlands and list their benefits. After viewing short videos, they identify the organims that make their home in wetlands and how they have adapted. They compare and contrast the characteristics...
Curated OER
Shadows
Students conduct an experiment. In this shadows lesson, students record the height of a meter stick. Students then cast shadows and record their length. Students compare the length of the shadow with the actual height of the meter stick.
Curated OER
Figuring Elapsed Time
Students discover the concept of elapsed time. In this calculating time lesson plan, students utilize the Internet to complete record sheets based on the concept of elapsed time. Finally, the students answer questions on their own.
Curated OER
Medieval Castles
Second graders design a scale model of a medieval castle and its surroundings including the following items: castle, moat, bailey, drawbridge, turrets, dungeon, grounds, and outer walls. A perfect lesson for those kids who are fascinated...
Curated OER
Perimeter
Students examine the concept of perimeter. Students calculate the perimeter of a random shape on a grid. Students develop a better understanding of the concept of perimeter. Students calculate the perimeter of shapes.
Curated OER
The Gingerbread Man
In this unit students use the traditional tale of the gingerbread man as a context for ordering and comparing lengths. They compare the length of two objects directly, order three or more objects by length and select objects that are...
Curated OER
Betrayal of Penn's Promise - The Walking Purchase
Pupils role-play the 1737 Walking Purchase. In this Pennsylvania history lesson plan, students role-play the 1737 Walking Purchase and analyze its effects. Pupils also consider how it would affect their community today.
Curated OER
Gravity (Newton's Laws of Motion): A Weighty Subject
Students identify Newton's Laws of Motion. They students explore Newton's Laws of Motion and apply the second law with a classroom activity. The videos will provide visual examples of the effects of gravity while riding on a roller coaster.