Texas State Energy Conservation Office
Investigation: Gas Laws in Action - Propane
Using helium as an example of propane, physical science middle schoolers experiment with and graph the relationship between temperature and volume in gases. In a whole-class demonstration, they show how molecules behave under different...
Curated OER
Prime Numbers
For this prime numbers worksheet, students read facts and complete comprehension activities. In this graph construction and drawing worksheet, students complete two activities.
Curated OER
Ten Word Problems Solved Using Systems of Equations
In this quadratic linear systems of equations learning exercise, students solve ten word problems using systems of equations. The solutions are provided.
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
Area, Arithmetic and Algebra
Students model formulas for rectangles and squares. In this area, arithmetic and algebra lesson, students explore the formula for the area of squares and rectangles. They use squares to model the formula for the area and identify...
Curated OER
Genetics
Learners explain the difference between dominant and recessive genes, identify what causes differences in the traits of parents and their offspring, and explain how sex is determined. They will also improve their reading and...
Curated OER
A Dreamer's Cloak
Learners listen to the teacher read "A Dreamer's Cloak." They examine the difference between squares and circles and create their own cloak by using a paper bag and different shapes.
Curated OER
Area Applet
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
EngageNY
Radicals and Conjugates
Make the irrational rational again! Continuing the theme from previous lessons in the series, the instructional activity relates the polynomial identity difference of squares to conjugates. Learners develop the idea of a conjugate...
Mathematics Vision Project
Module 2: Congruence, Construction and Proof
Construct yourself a winning geometry unit. A set of lessons introduces geometry scholars to constructions and proofs with compasses and straightedges. It also covers triangle congruence through transformations. This is the second of...
Curated OER
Decimal Addition and Subtraction
In this decimal addition and subtraction worksheet, students use a computer program for initial instruction, then complete 22 problems with decimals.
Curated OER
1st Grade Math Review
In this math review worksheet, 1st graders respond to 20 multiple choice questions that serve as a review of addition facts, subtraction facts, odd and even numbers, and calendar skills.
Curated OER
Three Tangent Circles
In this tangent circles activity, students use pi to solve a problem involving tangent circles. This one-page activity contains 1 problem. The answer is provided at the bottom of the page.
Curated OER
Family Pedigrees
Students work as a class to first construct a pedigree of a popular singer, showcasing the singing gene being passed down through the generations. Students then make their own family pedigree and follow two traits through their family...
Del Mar College
Quick Reference Card
A neat and organized formula handout makes the circle go round, doesn't it? Full of higher algebra topics, formulas and rules, graphs and definitions—there is a way to support everyone in Algebra II or Pre-Calculus.
Curated OER
Marshmallow Geometry
In this three-dimensional shapes geometry lesson, learners identify geometric solids and name their properties. They define "face," "edge," and "vertex," and construct geometric solids using marshmallows as vertices and toothpicks as edges.
Curated OER
Subtraction
In this subtraction worksheet, students use a given number square to help answer a set of 10 questions. An answer key and website reference are given.
Curated OER
Science Number Practice
In this ESL instructional activity, students describe 16 numbers to their partner, some in scientific notation. Students listen to their partner's numbers and write them down.
Curated OER
Subtraction Practice
In this subtraction activity, students use a grid to complete a set of 10 problems written in sentence form. A reference website for additional resources is given.
Utah Education Network (UEN)
Subtracting Integers
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or a...
Illustrative Mathematics
Rational or Irrational?
Is 4 plus the square root of 2 rational or irrational? After your class has gained a basic grasp of rational and irrational numbers, use this worksheet to push them a little further in their understanding. Learners must identify sums and...
EngageNY
The Relationship of Multiplication and Division
Take any number, multiply it by five, and then divide by five. Did you end up with the original number? In the same vein as the previous lesson plan, pupils discover the relationship between multiplication and division. They develop the...
One Billion
Math, Age 3-5
Jump start children's math education with this fun basic skills resource. Offering dozens of different touch-and-swipe activities with colorful graphics, this program is perfect for all young learners.
Curated OER
Solving Quadratic Equations
For this quadratic equations worksheet, 9th graders solve and complete 7 different problems that include factoring quadratics. First, they solve for the values of x that make the equation true. Then, students substitute their values into...