Lesson Plan
Curated OER

Percent and Applications: Circle Graph

For Teachers 8th - 9th
Students make, read and interpret circle graphs.
Worksheet
Curated OER

Quiz: Similarity

For Students 7th - 8th
For this similarity worksheet, students use the characteristics of similar figures to determine the length of one side of a polygon, the height of a tree, or the shortest side of a triangle. They also identify similar figures. ...
Worksheet
Curated OER

Numbers Based on Percentage

For Students 7th - 8th
In this percentage activity, students examine written statements and solve to find the percent of a number or find a missing number when given a percent. This one-page activity contains ten problems.
Worksheet
Curated OER

Equivalent Ratios

For Students 5th - 6th
In this equivalent ratios worksheet, students solve 4 problems in which equivalent ratios are found by completing a ratio table. Students multiply each term of the fraction by the same number.
Worksheet
Curated OER

Percentages Level 2

For Students 4th - 5th
In this math worksheet, students solve the word problems in order to solve the problems using percentages. They apply the percent proportion.
Lesson Plan
Curated OER

Prime Time Math

For Teachers 7th
Seventh graders use educational software in order to practice lesson objectives. They define rate and ratio. Students solve distance problems given two variables. They also use a problem solving strategy that can be defended in its usage.
Worksheet
Curated OER

Problem Solving

For Students 5th - 6th
In this problem solving worksheet, students solve and complete 4 different types of word problems. First, they determine the responses to various questions as described. Then, students find the amount of an item needed to complete...
Lesson Plan
Beyond Benign

Green"er" Precipitation Reaction

For Students 9th - 12th
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
Lesson Plan
Curated OER

Relative Ratios

For Teachers 6th - 8th
Students discover that proportions are made up of equal ratios each containing the same building blocks. They, using the Internet, apply their knowledge of direct relationships and proportions to problems in planetary science.
Lesson Plan
Curated OER

Comparing Ratios

For Teachers 7th - 10th
Young scholars solve problems using ratio and proportion. For this math comparison lesson, students identify methods used to solve and compare ratio and proportion in the real world. They apply criss cross multiplying to solve their...
Lesson Plan
Curated OER

Let's Take a Trip!

For Teachers 6th
Sixth graders plan a trip for a family of four choosing their travel plan by studying maps to decide upon a route and visiting Websites to get airline and travel schedules. They use ratios and proportions as well as converting fractions...
Lesson Plan
Curated OER

Rates And Unit Price

For Teachers 8th - 10th
In this rates and unit price worksheet, students problem solve and calculate the answers to ten word problems and mathematical equations dealing with ratios, proportion and missing values.
Lesson Plan
Curated OER

Estimating Deer Population

For Teachers 9th - 10th
Students calculate the deer population using proportion. In this algebra instructional activity, students apply the concept of ratio and proportion to real life scenario.
Lesson Plan
Curated OER

Probability and Geometry

For Teachers 8th - 11th
Students explore the ways Geometry can help solve probability problems. Students describe platonic solids and practice calculating probability using an online resource. They construct dice with various numbers of sides to demonstrate...
Lesson Plan
Curated OER

Measuring the Earth (Eratoshenes' method)

For Teachers 6th
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
Worksheet
Curated OER

Similar Polygons

For Students 10th
In this similar polygons worksheet, 10th graders solve and complete 20 various types of problems. First, they solve each proportion. Then, students write a ratio expressing the slope of a line through each pair of points. In addition,...
Lesson Plan
Curated OER

Percentages in Word Problems

For Teachers 8th
Eighth graders, after brainstorming all the places they see percentages in every day life (sales, basketball, grades, etc.), calculate percentages from bases and parts in word problems. They review their notes together on percentage...
Worksheet
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Curated OER

Direct Variation

For Students 9th - 11th
In this algebra worksheet, students solve equations by applying direct variation relationship. They solve problems using proportions and ratios while using direct variation. There are 3 problems with an answer key.
Lesson Plan
Curated OER

How Tall is that Tree?

For Teachers 4th - 12th
Students apply their math skills to develop an accurate estimate of the height of a tall tree. Three different methods are outlined. All grade levels should be able to perform the shadow method and the proportional method.
Lesson Plan
Curated OER

Geometry Exploration Basic Trig Functions

For Teachers 10th
Tenth graders solve for missing sides on a triangle using the Pythagorean Theorem. For this geometry lesson, 10th graders are introduced to basic trigonometry functions as they solve problems of right triangles. They discuss the...
Lesson Plan
Curated OER

Indirect Measurement

For Teachers 9th - 10th
Learners measure and apply their knowledge of proportion to solve problems. In this geometry lesson, students measure using a meter stick, small mirror and measuring tape. They compare and contrast their measurements to objects outside...
Worksheet
Curated OER

Fractions and Chemistry

For Students 8th - 10th
In this fractions in chemistry worksheet, learners solve 2 problems where they state all the answers as simple fractions or integers. They determine ratios of molecules in gasoline and they find ratio of molecules in the creation of...
Worksheet
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Curated OER

Direct Variation

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve problems involving direct variation.  The two page worksheet contains a combination of twelve multiple choice and free response questions.  Answers are included. 
Lesson Plan
Curated OER

Monopoly Graphs

For Teachers 9th - 11th
Students relate the concepts of linear functions to the game of monopoly. In this algebra lesson, students solve problems with ratio and proportion. They collect data and graph it.