Curated OER
How using number patterns help us add or subtract
Second graders use a number line to understand multiples.  In this number line lesson, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.
Curated OER
Fair Shares and Geometric Spirals
Students tackle the problem of how to divide a triangular piece of land fairly among four people. They decide whether their method of fair division always works or if it only works in special cases.
Illustrative Mathematics
Joining Two Midpoints of Sides of a Triangle
Without ever using the actual term, this exercise has the learner develop the key properties of the midsegment of a triangle. This task leads the class to discover a proof of similar triangles using the properties of parallel...
Curated OER
The Dawn Mission: Ion Rockets and Spiral Orbits
In this ion rocket and orbits worksheet, students read about the spiral orbit the Dawn spacecraft took due to its ion rocket motor. Students solve 3 problems including finding the path taken by the spacecraft, determining the total path...
MENSA Education & Research Foundation
Fabulous Fibonacci and His Nifty Numbers
Fibonacci numbers are not only found in the classroom but also in nature. Explore the concept of Fibonacci numbers through a series of lessons designed to gain insight into the mathematical reasoning behind the number pattern, and spark...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 3)
In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....
PBS
Stories of Painkiller Addiction: The Cycle of Addiction
Drug addiction, including prescription drug addiction, begins with a reason that's different for every user. High schoolers learn more about the reasons people begin abusing drugs with a set of videos and worksheets that discuss four...
Exploratorium
Depth Spinner
Put a new twist on your collection of optical illusion activities. Affix the linked printable spiral to a drill, record player, or some other rotating tool. Have learners stare at the spinning disk for only 15 seconds and then look away....
Curated OER
Snake Spiral
In this convection currents worksheet, students draw, cut and decorate a spiral snake on a sheet of paper. Students attach a piece of thread to its head and hang it over a hot radiator and watch the snake spin as the warm air rises.
American Museum of Natural History
The Milky Way Galaxy
Just how big is the galaxy? Learners read information about the size of the Milky Way galaxy to better comprehend its size. Pupils develop an understanding of the number of stars in the galaxy by finding just how big a billion is and...
Rice University
Calculus Volume 3
See calculus to the end. The eBook is the last of a three-volume series covering college-level calculus topics. Scholars begin with parametric equations and polar coordinates before moving to vectors, finally ending with multi-variable...
Curated OER
Using Random Sampling to Draw Inferences
Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make...
EngageNY
Congruence Criteria for Triangles—AAS and HL
How can you prove it? Guide classes through an exploration of two possible triangle congruence criteria: AAS and HL. Learners connect this criteria to those previous learned and also explore criteria that does not work. The lesson...
EngageNY
Relationships Between Quantities and Reasoning with Equations and Their Graphs
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
Teach Engineering
Household Energy Audit
Do you have an energy hog in your home? Individuals pick at least one room at home to determine the amount of energy the appliances consume. Using that information, pupils fill out a worksheet to determine the cost of running each...
SEN Teacher
Literacy Printables : Handwriting 2
Celebrate National Handwriting Day with a variety of worksheets designed to warm up young writer's hands. Learners work on tracing figures such as curves, ellipses, mounds, and more.
SEN Teacher
Literacy Printables : Handwriting 1
Celebrate National Handwriting Day with a variety of worksheets that feature tracing exercises to prime young writers' hands. Tracing moves include curves, spirals, waves, and more.
Mathematics Vision Project
Module 9: Statistics
All disciplines use data! A seven-lesson unit teaches learners the basics of analyzing all types of data. The unit begins with a study of the shape of data displays and the analysis of a normal distribution. Later lessons discuss the...
CCSS Math Activities 
Smarter Balanced Sample Items: 7th Grade Math – Target D
Put expressions, equations, and inequalities to work! Young scholars solve problems using various strategies. Meant as a snapshot of the Smarter Balanced Assessment, a set of seven questions includes topics from writing expressions to...
EngageNY
Grade 10 ELA Module 4: Unit 2, Lesson 17
Madness, violence, despair—the titular character of Shakespeare's Macbeth is spiraling out of control. Pupils first explore the topic with a collaborative jigsaw discussion. At the end of the instructional activity, they write about how...
Curated OER
Magnetic Forces and Particle Motion
In this magnetic forces and particle motion worksheet, students use the equation for the radius of a spiral to answer 3 questions about charged particle motion.
Curated OER
Heat Transfer Demos
Step-by-step instructions are given for two hands-on activities. Young scientists cut out a paper spiral and hold it over a hot plate to demonstrate convection, and they place a small piece of wax on the end of a metal rod opposite the...
Curated OER
Identifying Lines of Symmetry and Creating Reflections over a Line
Fifth graders review the concept of a line of symmetry by using pieces of paper that have pictures such as, letters of the alphabet, polygons, and designs made from polygons in order to determine if they have symmetry. The fine,...
Foreign Policy Research Institute
Ancient History: The Importance of Logistics in Greek & Roman Armies
Before one can understand the military tactics practiced throughout history, he needs to become familiarized with tactics practiced in the ancient past. Learners take a critical look at the military logistics used by Alexander the Great...