Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Willow Tree
Factoring Polynomials
Young mathematicians discover trees organize more than just families — they help factor, too. The lesson begins with factor trees and develops slowly to factoring by grouping and special patterns.
Curated OER
Seven Circles II
Your learners find as many rigid motions of the plane as they can that are symmetries of the configuration of circles. Rigid transformations of the plane are explored and become more concrete to them as they visualize and execute...
Illustrative Mathematics
Gotham City Taxis
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...
California Mathematics Project
Reflections
Reflections are the geometric mirror. Pupils explore this concept as they discover the properties of reflections. They focus on the coordinates of the reflections and look for patterns. This is the third lesson in a seven-part series.
West Contra Costa Unified School District
Arithmetic Series
Fall for a series. Learners determine how to find out how far a skydiver falls in the first 20 seconds. The Algebra II instructional activity introduces the idea of adding up the terms of an arithmetic sequence. Pupils learn how to use...
02 x 02 Worksheets
Symmetry
Get learners' minds rotating and reflecting while looking for symmetry. Pupils investigate figures to determine the number of lines of symmetry and if the figure has rotational symmetry. Classmates work together in groups to find out the...
Curated OER
Equal Differences Over Equal Intervals 2
Your algebra learners explore linear functions concretely using tables of values in a collaborative task. The idea that linear function values change by equal differences over equal intervals, is emphasized. The slope and...
Curated OER
Patterns in Fractals
Students explore the concept of fractal patterns. For this fractal pattern lesson, students use an applet about the Hilbert Curve to answer questions about rectangles and other polygons. Students derive the fractal pattern when dividing...
Curated OER
Cube Coloring Problem
Upper elementary and middle schoolers describe the various features of unit cubes, such as edges, corners, and faces. They also discuss how to represent measurements of a cube using exponents before engaging in various thinking and...
Curated OER
Scattered About
Students are introduced to the concept of scatter plots after reviewing the various types of graphs. In groups, they analyze the type of information one can receive from a scatter plot and identify the relationship between the x and y...
Curated OER
Class of Gold
How can you see a number in nature? Here, learners discover both Fibonacci numbers and the golden ratio by exploring a number of different resources. Note: Some of the resources are older and may be missing some of the links, but...
Curated OER
Worksheet 32 - Sequence
In this sequence worksheet, students explain the definition of a convergent sequence and draw models of sequences. This two-page worksheet contains four multi-step problems.
Curated OER
Worksheet 33 - Sequence
In this sequence worksheet, students find the limits of given sequences and prove theorems. This one-page worksheet contains four multi-step problems.
Curated OER
Worksheet 34 - Sequence
In this sequence worksheet, students examine sequences, write the terms of a sequence, identify the limits of a sequence. This one-page worksheet contains seven problems.
Curated OER
Worksheet 6 - Improper Integrals
In this improper integral worksheet, students determine the convergence or divergence of functions. They explore the sequence in the series. This one-page worksheet contains six multi-step problems.
Curated OER
Equations in the Park
Learners explore algebraic concepts using real life situations. For this equations lesson, students develop strategies to solve missing number problems. Learners participate in a board game based on algebraic equations.
Curated OER
Mental Math Blocks 2
In this math worksheet, students solve eleven math problems. The problems include word problems from a variety of topics, such as money and tickets needed for a concert.
Curated OER
Mental Math Blocks 3
In this math worksheet, students solve eleven math problems. These include finding the missing digits of an addition problem and solving a word problem about picking up pieces of trash.
Curated OER
Mental Math Blocks
In this math worksheet, learners solve eleven math problems from a variety of topics. For example, students estimate the product of a multiplication problem.
Curated OER
Do the Elephants Need Sunscreen? A Study of the Weather Patterns in Etosha
Students analyze the weather patterns in Namibia. They create a graph of the yearly temperatures and use the internet to gather information. They discuss how the weather goes in cycles in the area.
Curated OER
Mental Math Blocks 4
In this math worksheet, students solve eleven math problems. These include circling the product in a multiplication problem and writing a seven-digit number into words.
Curated OER
What is It? Susie Sees!
Students explore the five senses. In this cross curriculum five senses instructional activity, students view an "I Can See Colors" PowerPoint presentation and sort items by color and shape. Students mix primary color paints to...
Curated OER
Let's Explore Patterns
Second graders define the word pattern and other related vocabulary. They create a pattern independently. Students recognize and extend patterns. They explain how repeated patterns are made. Students explore several patterns on a...