EngageNY
Multi-Step Problems—All Operations
Harness the power of algebra to solve problems. Young mathematicians learn to work out multi-step problems by applying algebraic techniques, such as solving equations and proportions. They use tape diagrams to model the problem to finish...
Willow Tree
Formulas
Help learners understand the benefits of rearranging a formula. Scholars practice rearranging formulas for specific variables. They also analyze formulas to understand one variable's effect on the other.
Curated OER
Group Isomorphisms
Students identify and apply properties of triangles. For this geometry lesson, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.
Curated OER
Investigation - Adrienne's Pattern Block Angles
Fifth graders investigate possible solutions to a word problem. They explore properties of polygons and right angles. Students demonstrate proper angle measurement. Students discover patterns.
Curated OER
Proof that One Equals Zero and Zero Equals Two
In this algebra worksheet, 11th graders complete proofs that show why properties are true. There are 2 proofs given with 8 required steps.
Curated OER
Triangle Similarity
In this triangle similarity activity, 10th graders solve and complete 12 different problems that include defining similar and 3 similar statements using only sides and angles. First, they determine if each pair of triangles shown are...
Curated OER
Identity and Equality Properties
In this identity and equality properties worksheet, students solve and complete 20 various types of problems. First, they name the property illustrated by each statement. Then, students evaluate each expression and name the property used...
Curated OER
Effects of Parameter Changes
Students define properties of a quadratic equation. For this algebra lesson, students graph and factor quadratic functions. They write equations for polynomials, given a graph.
Curated OER
SuperShapes, Part 1; "Tri"ing Triangles
An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
Curated OER
Multiplying Polynomials using the Distributive property.
Students factor polynomial functions. In this algebra lesson, students solve problems through factoring and distribution of the negative sign correctly.
Curated OER
Calculating the Cost of a "Sound Basic Education"
Students state their opinions about school funding and the use of monetary resources by school districts and use reasons, facts, and examples to support their ideas. They compare sets of data related to school funding and draw...
Curated OER
LRO's First Image of Mare Nubium
In this scale image learning exercise, students use an image taken by the LRO satellite of Mare Nubium to determine the scale of the image, the diameter of the smallest crater and a comparison scale drawing of a house.
Curated OER
The Slope of Parallel and Perpendicular Lines
In this Algebra I/Algebra II worksheet, learners examine slope to determine if the given lines are parallel or perpendicular. Students determine the equation of lines that are either parallel or perpendicular to the given...
Curated OER
Commutative, Associative, and Distributive Properties
Students explore the concept of the associative, commutative, and distributive properties. In the associative, commutative, and distributive properties lesson, students discuss real world examples of each property. Students demonstrate...
Curated OER
Fractions and Paper Folding
In this fraction lesson plan, students manipulate paper by folding it to create different shapes and sizes, they explore the concept of fractions, and discuss their observations as a class. This is a great lesson plan for getting...
Curated OER
Number Theory
Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...
EngageNY
Angles Associated with Parallel Lines
Explore angle relationships created by parallel lines and transversals. The 13th instructional activity of 18 prompts scholars use transparency paper to discover angle relationships related to transversals. Learners find out that these...
Inside Mathematics
Magic Squares
Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra.
Inside Mathematics
How Old Are They?
Here is a (great) lesson on using parentheses! The task requires the expression of ages using algebraic expressions, including the distributive property. Pupils use their expressions to determine the individual ages.
Inside Mathematics
Winning Spinners
Winning a spin game is random chance, right? Pupils create a table to determine the sample space of spinning two spinners. Individuals determine the probability of winning a game and then modify the spinners to increase the probability...
Mathematics Assessment Project
Floor Pattern
You'll never look at floor tiles the same again. An assessment task prompts learners to investigate relationships between patterns involving squares and kites to determine angle measurements. They then prove...
Curated OER
Toothpick Triangles
Young scholars draw a chart (included in the lesson plan) to use with their investigation. They review terminology of triangles and receive toothpicks to use in the lesson plan. Beginning with three toothpicks, students form a triangle....
Curated OER
Distributive Property
Students explore the distributive property. In this algebra lesson plan, students are given Fruit Loops or other manipulatives and the class is divided in half. Each half of the class completes part of the equation to show that both...
Curated OER
Arrays To See Multiplication
Fifth graders examine multiplication. They construct arrays to demonstrate specific multiplication facts. They identify examples and non-examples of arrays. Students use counters to model the commutative property of multiplication.