Education Development Center
Rectangles with the Same Numerical Area and Perimeter
Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...
Education Development Center
Similar Triangles
Model geometric concepts through a hands-on approach. Learners apply similar triangle relationships to solve for an unknown side length. Before they find the solution, they describe the transformation to help identify corresponding sides.
Education Development Center
Consecutive Sums
Evaluate patterns of numbers through an engaging task. Scholars work collaboratively to determine a general rule reflecting the sum of consecutive positive integers. Multiple patterns emerge as learners explore different arrangements.
Education Development Center
Finding Triangle Vertices
Where in the world (or at least in the coordinate plane) is the third vertex? Given two coordinate points for the vertices of a triangle, individuals find the location of the third vertex. They read an account of fictional...
Education Development Center
Proof with Parallelogram Vertices
Geometric figures are perfect to use for proofs. Scholars prove conjectures about whether given points lie on a triangle and about midpoints. They use a provided dialogue among fictional students to frame their responses.
Education Development Center
Extending Patterns with Exponents
Don't think negatively about exponents. Young mathematicians dissect a fictional conversation between pupils trying to evaluate an expression with a negative exponent. This allows them to understand the meaning of negative exponents.
Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Curated OER
Fantastic Fraction Fudge
In order to create some tasty fudge, learners must adapt a recipe. Using a recipe for fudge, ingredients must be correctly converted using fractions. If one fraction is incorrect, the fudge will reveal it! Although you will only make one...
Curated OER
Comparing Investments
Money, money, money. A complete lesson that makes use of different representations of simple and compound interest, including written scenarios, tables, graphs, and equations to highlight similarities and differences between linear and...
West Contra Costa Unified School District
Introduction to Inverse Functions
Ready to share the beauty of the inverse function with your classes? This algebra II lesson guides the discovery of an inverse function through a numerical, graphical, and an algebraic approach. Connections are made between the three,...
Curated OER
Exponents
Students recognize the proper use of exponents in mathematical expressions. They calculate expressions with the intention of comprehension of the principle of repeated factors can be expressed as powers.
Hawaiʻi State Department of Education
ABA Form in Music
Patterns happen everywhere, in music, math, and language! Fourth graders listen to the "William Tell Overture" visualizing the patterns that they hear. They then discuss and write an ABA poem that matches the ABA form found in the music...
Teach Engineering
Magnetic Materials
The design challenge: develop a method to separate steel from aluminum. The first lesson plan in an eight-part series introduces the class to the grand challenge of ciming up with a method to streamline a sorting process at a...
Curated OER
Harry Shows Us How
Students are provided an avenue to express his/her understanding of the life skills being taught and connect the life and times of Harry Truman to the life skills being taught for the purpose of adding relevance for each student.
Curated OER
Which Pair?
Students practice solving equations adding decimals and integers. Using a worksheet, they identify which pair of numbers goes correctly with the problem. They review their answers and are graded based a rubric given to them.
Curated OER
Sales Leader
Pupils examine a set of data based on a realtor's sales for a specific amount of time. Using this information, they calculate the mean, mode and median and how to skew the data to different points of view. They determine which realtor...
Curated OER
Hands On: Regroup in Multiplication
In this regrouping in multiplication worksheet, students learn to solve the multiplication word problems using the regrouping strategy. Students also use base-ten blocks to solve the problems.
Curated OER
Diagonals and Altitudes
Students discover the mathematical way to find the dimensions of a diagonal. Using this process, they complete a worksheet in which they identify the relationships between different degree triangles. They review their answers and are...
Curated OER
Windsor Opposes Waste - WOW!
Students participate in paper recycling. They are taught to environmental awareness of recycling and its importance in their future. Students discuss and identify the problems of how they can minimize waste. They brainstorm suggestions...
Curated OER
Sort Objects
In this sorting objects worksheet, students learn to sort and count objects. Students then answer questions based specific button shapes and colors.
Curated OER
Matching Pairs
Pupils examine the probability of the various findings in a game and determine the odds of winning. They differentiate between the facts of odds versus probability. Students use higher order thinking skills to explain how a problem is...
Curated OER
Multiplication With Memory
In this math worksheet, students solve the problems that are based upon the operation of multiplication and strengthen memory. The sheet is a teacher's guide.
Curated OER
Ratios
Sixth graders pariticipate in a lesson that focuses on the finding of a ratio and using it to set up a proportion in realtionship to creating a scale drawing. This is done using given problems. It would be valuable for students to have...
Curated OER
Time and Time Again
Students analyze the effects of time zone differences on how we function as a global community, focusing particularly on the turn of the millennium as a way for students to calculate time zone differences.