Curated OER
Finding Concentration
In this determining concentration activity, students are given the equations to find the concentration of a solution in grams per milliliter, to determine the concentration in parts per million, to determine percent mass and percent...
Curated OER
Add and Subtract Integers Worksheet
In this adding and subtracting integers worksheet, students review integer rules by completing 19 drill and practice questions. They work in pairs to compute the total left in a fictitious bank account after several withdrawals and...
Curated OER
Add With No Regrouping
For this finding the sums worksheet, students add one digit-numbers plus two-digit numbers with no regrouping. Students solve 30 problems.
Curated OER
Multiple Patterns
Second graders utilize a 1-100 grid to identify multiples of single digit numbers. They look for patterns and how they could be used to identify multiples to demonstrate the ability to use the multiplication facts and charts of single...
Curated OER
Chemistry Lab: Chemical Equilibrium
Students investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
Curated OER
Academic Vocabulary: Sports Challenge
This PowerPoint enables students to review mathematical terms in an interactive review game format. The slides contain a question about a mathematical term and the students must answer with the correct vocabulary word in order to get...
Curated OER
Mental Math Blocks 2
In this math worksheet, students solve eleven math problems. The problems include word problems from a variety of topics, such as money and tickets needed for a concert.
Raytheon
Geometry: Perimeter and Area
For this geometry worksheet, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.
Curated OER
Sublimation
Learners investigate sublimation and deposition using moth balls and toilet bowl freshener. In this sublimation lesson plan, students make a water bath and use two small beakers inside 2 larger beakers with moth balls in one and toilet...
Math Mammoth
Circle
For this circle learning exercise, students find the area and circumference of circles and compare their size using percents. Students determine the are of composite figures made of circles and rectangles. This one-page learning exercise...
Curated OER
Let's Trade
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
Acidity of Foods
Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...
Raytheon
Simplifying and Combining Algebraic Expressions
In this simplifying and combining algebraic expressions learning exercise, students solve 100 problems that simplify monomials, radicals and rational expressions, solve 38 problems combining expression, then solve 40 questions in a test...
Curated OER
Calculating Joules
In this calculating joules worksheet, students read about the relationship between mass, temperature change, specific heat and energy. They find the number of joules needed to heat water in five different problems using the given...
Curated OER
Test #2 Equations Review
In this equations review worksheet, students solve algebraic equations with one variable. They use inverse operations to solve for the unknown. Students translate word sentences to number sentences and then solve. This...
Curated OER
Find the Average
In this math worksheet, students solve five word problems. In each word problem, students solve the problem by finding the average.
Curated OER
Percent and Percentage Problems
In this Algebra I/Algebra II worksheet, students solve application problems involving percents, percent error, and percent of increase or decrease. The two page worksheet contains a combination of fourteen multiple choice and free...
Curated OER
Grade 3: Palindrome Patterns
Third graders use addition to create numbers that are palindromes and organize their results to look for patterns. They make generalizations from patterns and practice reading large numbers and addition with regrouping.
Curated OER
Equilibrium and Acids & Bases
In this equilibrium, acids and bases worksheet, students answer 30 multiple choice questions about the formulas for acids and bases, the products of acid and base reactions, the concentration of ions in acids and bases and equilibrium....
Curated OER
Mixed Frequency Signals
In this electrical worksheet, students interpret schematics to answer a series of 31 questions about mixed frequency signals. This worksheet is printable and the answers are available on-line.
Curated OER
Proportions and Percents
For this Algebra I worksheet, 9th graders use proportions to solve problems involving percents. The one page worksheet contains a combination of ten multiple choice and free response problems. Answers are provided.
Curated OER
Fan Club for Artists
Learners research a famous artist of their choice to experience their lives and achievements. They choose an artist they look up to, a hero perhaps, and share their lives with their peers to develop a banner on that artist to exhibit in...
Curated OER
Arithmetic and Geometric Sequences
In this arithmetic and geometric sequences worksheet, 11th graders solve and complete 37 various types of problems. First, they determine the term of each sequence shown. Then, students find the given term number using sigma notation....
Curated OER
Early Central Heating
In this history of heating worksheet, students read about the different ways of heating rooms over time. They answer three critical thinking questions about conduction, convection and heating.