Curated OER
Rational Inequalities
In this rational inequalities worksheet, 9th graders solve 10 different equations that contain rational inequalities in each. First, they find the zeros from the numerator and the undefined points from the denominator. Then, students use...
Curated OER
Rational Equations
In this rational equations worksheet, 9th graders solve 10 different problems that include various forms of rational equations. First, they determine the least common denominator in each equation. Then, students compare numerators and...
Curated OER
Algebraic Fractions
In this algebraic fractions instructional activity, 9th graders solve 10 different problems that include simplifying and reducing various algebraic fractions. First, they determine whether each of the fractions can be reduced. Then,...
Curated OER
Understanding the Relationship Between Subtraction and Addition
In this understanding subtraction and its relationship to addition worksheet, students examine 14 number statements. They determine if the statements are true or false.
EngageNY
Getting a Handle on New Transformations 2
Use 2x2 matrices to move along a line. The second day of a two-day lesson is the 28th installment in a 32-part unit. Pupils work together to create and solve systems of equations that will map a transformation to a given...
EngageNY
When Can We Reverse a Transformation? 3
When working with matrix multiplication, it all comes back around. The 31st portion of the unit is the third lesson on inverse matrices. The resource reviews the concepts of inverses and how to find them from the previous two lessons....
Curated OER
What's Missing?
In this determining missing numbers or operations learning exercise, learners use reverse operations to fill in the missing answers. Students solve 18 problems.
Curated OER
Significant Figures Worksheet
In this math instructional activity, students perform basic mathematical operations on 5 problems and express answers in correct number of significant figures.
Curated OER
Even and Odd Numbers Closure Activity
Students practice the concept of mathematical closure as it relates to even and odd numbers. In this math lesson, students perform 4 different tasks to understand the number closure concept. Students identify, explain, predict,...
Curated OER
Expressions and Operations
In this expressions and operations worksheet, 9th graders solve and complete 10 different multiple choice problems. First, they determine the complete factorization of various equations. Then, students determine the length and width of a...
Curated OER
Mixed Operations Word Problems
In this mixed applications word problems activity, students solve 6 problems in which the necessary operation is determined and the answer calculated. Note: Vocabulary, money system and measurement are standard for students in England.
Curated OER
Basic Operations
In this basic operations learning exercise, students identify incorrect answers in a multiplication chart. Without a calculator, they add and subtract positive and negative numbers. Students determine the price of a meal and complete a...
Curated OER
Expressions and Operations
In this expressions and operations activity, 9th graders solve and complete 5 different multiple choice problems. First, they determine the complete factorization of various trinomials given. Then, students find the length and width of a...
Curated OER
Perimeter
Introduce the concepts and skills needed to find perimeter. The slide show includes the definition of perimeter, five examples, and a link to an interactive web page.
Curated OER
Perfumania
Students identify various geometric shapes. Apply the given formulas to determine the volume of these shapes. Design their own container to conform to specifications provided. Use their knowledge of volume formulas and shapes to compute...
Texas State Energy Conservation Office
Cost-Effective Buying
Middle school energy experts read about the relationship between energy use and cost-efficiency. Then they work through a couple of scenarios to determine which approach is more cost-effective.
Curated OER
Solving Systems with Row Operations 1
Students solve systems of equations. In this algebra activity, students use matrices to solve linear equations. They use reduced row echelon-form and scalar multiplier to simplify the matrices completely.
Science 4 Inquiry
Musical Vibes with Palm Pipes
Ancient people used musical pipes as early as the third millennium BCE. Young scientists explore the workings of musical pipes to better understand the relationship with frequency, length of pipe, and sound waves. They determine the...
Curated OER
Basic Oscilloscope Operation
In this electrical worksheet, students answer a series of 25 questions about the use and understanding of an oscilloscope used by electrical technicians. This worksheet is printable and the answers are revealed on-line.
Agriculture in the Classroom
A Holiday Tradition: Which Christmas Tree Will You Choose?
Different varieties of Christmas trees provide an interesting way to combine social studies, science, math, and technology. Class members not only research the history of the Christmas tree holiday tradition, they compare and...
Columbus City Schools
What is in that?
Invite your class to dig in to an engaging journey into the world of mining! Here you'll find the tools to equip young miners with knowledge of soil, rocks, and minerals, as well as types of mining operations. To round things out, the...
Science Matters
Forms of Energy
The amount of energy Americans use doubles every 20 years. The first lesson plan in a 10-part series teaches scholars about different forms of energy. They rotate through five stations with hands-on activities or experiments at each in...
Curated OER
An Environmental Puzzle: The Carbon Cycle
Middle school science stars examine fuels and energy with a variety of activities. They begin with a KWL chart, read an informative passage, and then complete a puzzle. The puzzle itself is included. Cleverly, each piece corresponds to a...
Curated OER
Radioactive Simulations
Learners simulate radioactive decay and nuclear power using an on line interactive web site. In this on line lesson plan, students monitor radioactive isotopes and record the activity of a particular element as the decay progresses. They...