Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
Baylor College
Finding the Carbon in Sugar
In session one, demonstrate for your class how a flame eventually goes out when enclosed in a jar in order to teach that oxygen is required for combustion. In session two, class members then burn sugar in a spoon to observe how it...
Baylor College
Fuel for Living Things
During a three-part lesson plan, learners make a cabbage juice pH indicator and use it to analyze the waste products of yeast after feeding them with sugar. The intent is to demonstrate how living organisms produce carbon dioxide, which...
California Academy of Science
Kinesthetic Astronomy: Mars Opposition Dance
Your class will watch as one child orbits the sun as Earth, while another orbits as Mars. If the timing is right, they will see the repetitive dance between the two planets and discover how often they are opposite from each other. For...
California Academy of Science
Kinesthetic Astronomy: The Meaning of a Year
How many times have you traveled around the sun? Aspiring astronomers grasp what a year is and they differentiate between orbit and rotation by walking around the sun right within your classroom. Place a lamp in the center of the room to...
California Academy of Science
Kinesthetic Astronomy: Moon Phases
We are the world! Each of your class members models Earth and holds a styrofoam ball to see its phases. Thorough teacher background information and a detailed lesson plan will make this a cinch to teach. If you do not want to purchase...
Illustrative Mathematics
Who is the Tallest?
A simple question, with a not-so-simple answer. Working with whole and mixed number measurements in inches, feet, and yards presents a problem with many possible solutions. A great activity that challenges the minds of young...
California Academy of Science
Kinesthetic Astronomy: Longer Days, Shorter Nights
A lamp, four globes, and some signs taped around the room are all you need to set up a solar system simulation for teaching how Earth's tilted axis creates the seasons. (Sticky dots are also needed, but not mentioned in the materials...
California Academy of Science
Kinesthetic Astronomy: Earth's Rotation
After completing the activity, "Kinesthetic Astronomy: The Meaning of a Year," zoom in on Earth's rotation using the same simulation setup and this outline. Each class member dons a map of the Western Hemisphere and plays the part of...
California Academy of Science
Kinesthetic Astronomy: Birthday Stars
Space explorers take a virtual trip around the sun right within your classroom! They stand in a circle facing away from the "sun" (a lamp) in the center of the room. As they move according to your instructions, they view different...
Illustrative Mathematics
Finding the Line of Symmetry
Can you find the line of symmetry? That's what your students will demonstrate by completing this worksheet. The task gets increasingly difficult as shapes are included that have one line of symmetry, no lines of symmetry, and multiple...
Illustrative Mathematics
The Geometry of Letters
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
Illustrative Mathematics
Price per Pound and Pounds per Dollar
Help learners understand the concept of unit rate as it is applied to buying beans at a grocery store. The objective is to determine the unit rate in two ways, and then apply each ratio to an additional problem. The attached commentary...
Illustrative Mathematics
Dividing by One-Half
Understanding when to divide by two or one-half can be confusing. Here is an activity that gives four different scenarios. It is up to your number crunchers to decide if they divide by two or one-half. The easiest way to approach the...
Illustrative Mathematics
What is a Trapezoid? (Part 2)
This collaborative activity investigates the meaning of a trapezoid and a parallelogram. It begins by presenting two different definitions of a trapezoid. Learners are to reason abstractly the difference between the two definitions and...
Illustrative Mathematics
Banana Pudding
Making banana pudding despite misplacing your one-cup measuring cup is easy as long as you can find your quarter-cup measuring cup! This real-life activity provides a good opportunity for learners to interpret division of a whole number...
Curated OER
The Class Trip
Mrs. Moore's class is trying to earn money for a trip to the science museum, but how much more do they need? Solve this problem with your own class as they develop their ability to model real-life situations algebraically. As an added...
Curated OER
Snow Day
It's a snow day, and two brothers attending schools with different schedules each got a late start to the day. But who had the shorter school day? That's what your class will find out as they apply their knowledge of fractions to this...
Illustrative Mathematics
Battle Ship Using Grid Paper
You sank my battleship! The iconic cry of the time-honored game, Battleship will be heard in classrooms with this learning game that requires only grid paper, pencils, and an introductory knowledge of the first quadrant of the coordinate...
Curated OER
Human Body Series - Bones, Muscles, and Joints
Strengthen understanding of the musculoskeletal system with a structured lesson! Begin with a discussion of bones, joints, and muscles. Have small groups read assigned articles and watch videos to gather information and then write a...
Curated OER
Human Body Series - Cardiovascular System
Pump up your class while studying the cardiovascular system with this pair of activities. In one, learners record heart rates during different actions. In the second, they read kid-friendly heart health articles online and then write a...
Curated OER
Human Body Series - Digestive System
With articles entitled, "What's Puke?" and "What is a Fart?" this digestive system lesson plan is sure to be a gas! Elementary anatomists do a belly dance to illustrate how food moves through the digestive system and then design a board...
Curated OER
Halves, Thirds, and Sixths
An excellent activity that effectively pulls together the concepts of area, fractions, and equivalent fractions! Using 3x2 rectangular arrays, 3rd graders are introduced to the concept of area in terms of square units. Building on this...
Curated OER
The Square Counting Shortcut
An excellent lesson plan that encourages students to discover how complex figures can be broken into simpler shapes when measuring area. Working with block letters, learners are given the freedom to develop their own strategies for...