Curated OER
Congruent Trianges - Is This Enough Information?
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
Curated OER
Reflections in the Plane
Have your class explore the concept of reflections as they use Cabri Jr. to construct a triangle and reflect it over a line. Learners reflect shapes across the coordinate plane and across the lines y = x and y = -x.
Curated OER
Modeling Addition: Commutative Property and Zero Property
First graders practice modeling addition. For this hands-on addition lesson plan, 1st graders are introduced to the Commutative Property of Addition and the Zero Property of Addition through modeling and the use of manipulatives. This...
Curated OER
Transitive Property of Inequality
In this transitive property worksheet, students use the transitive property to help them solve the riddle for the order of men and where they stand. Students solve the riddle for 10 men.
Curated OER
Associative and Commutative Properties
Seventh graders define the commutative and associate properties and extend commutativity and associativity to objects. They define rational numbers and review the order of operations and multiplying/dividing integers chart. In addition,...
Curated OER
Area-Time to Get in Shape
Students investigate the properties of triangles and parallelograms. In this geometry instructional activity, students calculate the formula used to find the are of a triangle and other polygons. They create a visual model to represent...
Curated OER
Similar Triangles on the Coordinate Plane
Students investigate triangles and their properties. For this geometry lesson, students differentiate between similar and congruent triangles. They use the SSS theorem to help identify the triangles that are similar or congruent.
EngageNY
Existence and Uniqueness of Square Roots and Cube Roots
Teach cube roots by building on an understanding of square roots. The third installment of a 25-part series asks learners to solve simple quadratic and cubic equations using roots. Scholars compare square roots and cube roots throughout...
EngageNY
Writing Addition and Subtraction Expressions
Symbols make everything so much more concise. Young mathematicians learn to write addition and subtraction expressions — including those involving variables — from verbal phrases. Bar models help them understand the concept.
Virginia Department of Education
Greetings
Welcome learners to the world of algebra. Use a activity that poses a situation involving the profit from creating greeting cards to teach about algebra. It requires scholars to use linear functions and inequalities to solve problems.
University of Colorado
The Moons of Jupiter
Can you name the three planets with rings in our solar system? Everyone knows Saturn, many know Uranus, but most people are surprised to learn that Jupiter also has a ring. The third in a series of six teaches pupils what is around...
Polar Trec
Down to the Deep Virtual Lab
At a depth of 3,000 m in the ocean, the pressure is 300 times that at sea level! In the activity, individuals predict what will happen to Styrofoam cups submerged 3,000 meters into the ocean. They then convert these units to soccer...
Teach Engineering
Floaters and Sinkers
Whatever floats your boat. Young engineers learn about density by measuring the masses and volumes of boxes filled with different materials. Using their knowledge of densities, they hypothesize whether objects with given densities will...
University of Colorado
Modeling Sizes of Planets
The density of the huge planet of Saturn is 0.7 g/cm3, which means it could float in water! In the second part of 22, science pupils explore the size and order of the planets. They then calculate weight and/or gravity and density of...
Kentucky Department of Education
Multiplication Grade 3 Formative Assessment Lesson
Guide multiplication lesson plan instruction with a formative assessment. Mathematicians are given two multiplication problems to solve and represent using the area model, equal groups, repeated addition, and word problems. Following the...
Virginia Department of Education
Solving Equations
Demonstrate the abstract process of solving equations by using algebra tiles as a concrete representation. Scholars begin by solving equations through the use of manipulatives. As they gain more confidence, they progress to...
Curated OER
Properties of Materials
Students describe how objects in the universe range from smaller than atoms to larger than galaxies. they explain how the metric system works and compare it to the English system of measurement.
Curated OER
Properties Of Building Materials
Students investigate the concept of building materials and how they are used to create different things. They focus upon the availability, cost, flexibility, and strength of different building materials. This is done by taking part in a...
Curated OER
Women's Roles in the Mi'kmaq Community Long Ago
Fifth graders examine the roles of Aboriginal women in their community long ago. They explore the different roles Aboriginal women portray in today's society. They address any stereotyping they may have regarding Aboriginal people.
Curated OER
Laws of Exponents
In this laws of exponents worksheet, students solve 12 exponent problems. Students use exponent rules to simplify exponential expressions.
Curated OER
Numbers in Art
Young scholars choose a number from one to twelve and tell a number story about it. They listen to the teacher read "Numbers in Art" by Lucy Micklethwait. Students choose three numbers from one to twelve and view works of art while...
Curated OER
A Fibonacci Primer
Upper graders explore the Fibonacci sequence. They examine the characteristics of the Fibonacci sequence, list the properties of the sequence and determine how it connects to Pythagorean Triples. Related thinking questions are included.
Curated OER
Got These Properties? (Commutative in Addition/Zero in Addition and Subtraction)
Second graders examine the commutative property of addition and the property of zero in addition and subtraction. They complete an asessment worksheet to gain practice reading and working number sentences horizontally and vertically.
Curated OER
Just the Facts! Exploring Order of Operations and Properties of Real Numbers
Sixth graders explore the concept of order of operations. In this order of operations lesson, 6th graders view a powerpoint about order of operations in society. Students post on a blog about order of operations.