Curated OER
Common 2-D and 3-D Shapes
In this common 2-D and 3-D shapes learning exercise, students define and solve 8 problems related to 2-D and 3-D figures as shown. First, they look at each 4-sided 2-D shapes listed and mark which ones always have the same angles. Then,...
Curated OER
Reading Signs
In this signs worksheet, 2nd graders look at a castle picture, find the signs in the picture that have the same shape and size and color each pair of signs the same color.
Curated OER
Buttons, Buttons, Everywhere!
Students compare, sort, and describe shapes. Using a button collection, students identify the shape, color number of holes, etc. Students play a description game with the buttons. They create a chart and name items that are the same...
Curated OER
Apples: Size Discrimination
In this observing size discrimination of apples worksheet, students examine four pictures of apples with the same shape but different sizes. Students complete four activities.
Curated OER
Similar Shapes
In geometry, similar and congruent shapes are often confused. Shapes that are similar are the same shape, but a different size. This activity gives young learners some practice in identifying similar shapes. There are five polygons...
Statistics Education Web
Who Sends the Most Text Messages?
The way you use statistics can tell different stories about the same set of data. Here, learners use sets of data to determine which person sends the most text messages. They use random sampling to collect their data and calculate a...
National Security Agency
Awesome Area - Geometry and Measurement
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...
Curated OER
Physical Changes and States of Matter
Fourth graders identify a physical change as one that results in a change in size, shape, or state of matter. After an initial teacher-led discussion and demonstration, groups of students get together to perform an experiment which...
Curated OER
Comparing Sizes And Shapes
Young scholars compare, resize, and check various shapes by size using a comparison mat from the MathKeys program. Working in pairs, they place three similar shapes on the screen and state which is the largest and smallest in area. They...
Curated OER
Relative Size Lesson Plan for First Grade
First graders compare triangle sizes, square sizes, and lengths. They use manipulatives of three varied sized triangles, squares, and strips to measure and compare relative size and length.
Curated OER
ExplorA-Pond:2nd Grade Shapes & Fractions
Second graders, in groups, using a map, drawing or aerial view of a pond, represent the shape of the pond using simple geometric shapes or fractions of those shapes.
Curated OER
Shapes
Learners examine various shapes and discover each part is the total of counterparts. In groups, they combine parts to equal a whole and divide numerous shapes into various parts. They practice drawing shapes and writing them in a...
EngageNY
What Lies Behind “Same Shape”?
Develop a more precise definition of similar. The lesson begins with an informal definition of similar figures and develops the need to be more precise. The class learns about dilations and uses that knowledge to arrive at a mathematical...
Consortium for Ocean Science Exploration and Engagement (COSEE)
Fish Morphology
Life comes in all different shapes and sizes, and fish are no exception. Here, young scientists create fish prints as they learn how specific characteristics allow different species to survive in their particular habitats.
Curated OER
Tile Patterns II: Hexagons
After learning that the sum of interior angles for triangles is 108 degrees, take it further to show that the sum of angles in any polygon is the same! Using hexagons, pupils practice finding the measure of the six congruent angles. Make...
National Nanotechnology Infrastructure Network
Wet Etching in Nanofabrication
Chemistry and physics combine forces to benefit nanofabrications. Learners examine the process of wet etching in nanofabrication. Using corrosive substances such as lemon juice and Coca-Cola, they model the etching process. They then...
Willow Tree
Bar Graphs
Circles, lines, dots, boxes: graphs come in all shapes in sizes. Scholars learn how to make a bar graph using univariate data. They also analyze data using those bar graphs.
Curated OER
Taller
In this shapes worksheet, students analyze the shapes in 3 problems and name them. Students then draw the same shape again in the blank, making it taller than the one already there.
Curated OER
Developing and Assessing the Intelligence of a Kindergartner: A Practical Approach
Young scholars name objects that are the same size, shape, and weight as the human brain. They touch the model brain, feeling the folds, etc. They make connections to the chart displaying the brain-like objects. They touch the 'potato...
Curated OER
Density - An Introduction
Students experiment with objects of different densities. In this density lesson, students examine same-sized objects with different weights, then look at a teacher explanation of density. Students make wave bottles and a density jar to...
Curated OER
Classroom Planetarium
Students work in groups to create the planets of the solar system. In this planets lesson, students create a hanging solar system taking into account the size, shape and position of the planets. Students discuss the gravity on each...
Curated OER
Why All Maps Lie
Eighth graders discover the fundamental advantages/disadvantages of both maps and globes. They see that maps may distort size, shape, distance and direction. They discuss the advantages and applications of 5 types of map projections and...
Curated OER
Whole Number Sense
Students find the shapes that are asked of them out of a bunch of shapes. In this shapes lesson plan, students find a specific number of a specific shape with a specific size and color.
Curated OER
Tetrominoes Cover-Up
Third graders compare and contrast the attributes of two-dimensional shapes. Using a tetrominoes game, they create two-dimensional shapes to cover up a game board. At the conclusion of the game, 3rd graders discuss the patterns they...