Curated OER
How using number patterns help us add or subtract
Second graders use a number line to understand multiples. In this number line instructional activity, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.
Curated OER
Spiral Symmetry
Taking the notion of symmetry to the next level, this looks at combining rotation and translation symmetry to build spiral symmetry in three dimensions. Using the Zome modeling system and an instructor’s guidance, geometers try to build...
Curated OER
Fair Shares and Geometric Spirals
Young scholars 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...
Curated OER
Famous Authors Spiral Puzzle Worksheet
Who brought Don Quixote to life? Who coined the term Jazz Age? Want a fun way to encourage Internet research? Literary sleuths search for the answers to eight famous authors' questions to complete a spiral puzzle. An answer key is included.
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...
Curated OER
Visual and Number Patterns
Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...
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...
Curated OER
Problem Solving Spiral and Intro to Research
Young scholars work in teams to choose a design and use this to learn about the problem solving spiral. In this problem solving lesson plan, students state the steps of the spiral and discuss how it relates to their experiences.
Curated OER
CONCEPTS IN NUMBER THEORY.
Students study the Maya culture and their achievements in mathematics, how bacteria grow exponentially, use rational numbers to convert back and forth between Celsius and degrees Fahrenheit, how some architectural designs are examples of...
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.
Curated OER
Divide By One-Digit Numbers
In this finding the quotients learning exercise, students divide one-digit and two-digit numbers by one-digit numbers with no remainders. Students solve 40 problems.
Curated OER
Divide Two-Digits by One-Digit 1
In this finding the quotients worksheet, 3rd graders divide two-digit numbers by one-digit numbers with no remainders. Students solve 40 problems.
Curated OER
Number Patterns and Sequences
In this number patterns and sequences worksheets, students complete activities for number patterns and sequences including Fibonacci's Sequence, lines, regular polygons, and towers. Students complete 15 problems.
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 activity...
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...
Curated OER
Farm Spiral Puzzle Worksheet
In this farm words worksheet, students read ten clues about agriculture and farm science. Students use their answers to fill in a spiral word puzzle. There is no word bank.