Worksheet
Curated OER

The Triangles Problem

For Students 10th
In this geometry worksheet, 10th graders explain how two triangles can have 5 parts of the other triangle and still not be congruent. This is a word problem with an answer key.
Worksheet
Curated OER

Remarkable Ratios

For Students 6th - 7th
In this ratios worksheet, students examine pictures of 12 cartoon characters. Students solve 12 problems in which a ratio is written to show the number of characters with certain attributes compared to the total number.
Worksheet
Curated OER

Ratios: missing number

For Students 5th - 8th
In this ratios learning exercise, learners find the missing number in each ratio for numbers up to 10. Students complete 7 ratio problems.
Lesson Plan
Curated OER

Venn Diagrams & Word Problems

For Teachers 7th - 8th
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a Venn...
Lesson Plan
Curated OER

Scale factors: Ratios and Proportions

For Teachers 8th - 11th
Pupils create building and models using scale factors. In this geometry lesson, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
Lesson Plan
Curated OER

Old Glory

For Teachers 6th - 8th
Students utilize mathematical concepts such as: measurement, ratio and proportion and geometric probability to analyze the components of the U.S. Flag. They collect, organize and interpret data by constructing charts, tables and graphs...
Assessment
Noyce Foundation

Cereal

For Teachers 6th - 7th Standards
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
Assessment
Curated OER

Performance-Based Assessment Practice Test (Grade 6 Math)

For Students 6th Standards
Keep track of your sixth graders' mastery of the Common Core math standards with this practice assessment. Taking a different approach than most standardized tests, this resource includes not only multiple choice questions, but also...
Interactive
CK-12 Foundation

Simple Interest

For Students 6th - 8th Standards
Mathematicians manipulate a mountain of money to solve six questions about simple interest. Question types include several multiple-choice and one discussion. 
Worksheet
Curated OER

Unit 5: Worksheet 2 - Ratios

For Students 8th - 10th
For this ratio worksheet, students investigate the relationship between the ratio of two sides of similar triangles. Afterwards, they convert fractions, decimals, and percents. This three-page worksheet contains approximately 35...
Worksheet
Helping with Math

Ratio and Proportion: Writing Ratios (1 of 2)

For Students 4th - 6th Standards
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
Worksheet
Curated OER

Ratio and Rate

For Students 8th - 9th
In this Algebra I instructional activity, students solve problems in which they differentiate between a ratio and a rate.  The nine page instructional activity contains explanation, worked examples, and seventeen problems. ...
Lesson Plan
Curated OER

Ratios

For Teachers 6th
Sixth graders use ratios to solve unit problems. Pupils write ratios in three different ways. In groups, they perform a bean activity, find ratios, and write them in simplest form.
Lesson Plan
Curated OER

Converting Measurements

For Teachers 6th
Sixth graders convert customary linear measurements. They explore using ratios to convert from inches to feet, ounces to pounds, etc. In groups, 6th graders complete conversions. They explain to the class how to solve their problems.
Lesson Plan
Curated OER

Baseball Proportion: Student Worksheet

For Teachers 3rd - 4th
In this mathematics worksheet, students model a batting stance with a regulation size baseball bat. Then they model the batting stance with a souvenir miniature baseball bat. Students measure the length of each bat in centimeters and use...
Lesson Plan
Willow Tree

Ratios and Proportions with Congruent and Similar Polygons

For Students 8th - 11th Standards
Investigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...
Worksheet
Curated OER

Tricky Triangle

For Students 9th - 12th
In this triangle worksheet, students solve 1 word problem about the lengths of a triangle. Students determine the length of the longest side given the ratio of the angle measures.
Worksheet
Curated OER

Sequences and Series

For Students 9th - 11th
For this sequencing worksheet, students solve problems with sequences and series. They derive formulas to solve word problems and receive specific points for doing so. There are 8 questions with an answer key.
Worksheet
Curated OER

Algebraic Expressions

For Students 9th - 11th
In this algebra worksheet, mathematicians identify important vocabulary related to solving equations. They create and simplify expressions and solve word problems. There are a total of 10 questions that provide a good review of the first...
Worksheet
Curated OER

Everything You Ever Wanted to Know About Stoichiometry

For Students 11th - Higher Ed
In this chemistry worksheet, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the product...
Lesson Plan
Curated OER

Relating Percents, Decimals, And Fractions

For Teachers 7th - 8th
In this relating percents, decimals, and fractions worksheet, learners, with a partner, problem solve and calculate the answers to twelve word problems and mathematical equations.
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals activity, 10th graders solve 10 different problems that include the quadrilateral family and properties. First, they determine the area of a rectangle given the perimeter and length. Then, students determine the...
Worksheet
Curated OER

Single and Compound Events

For Students 8th
In this single and compound events worksheet, 8th graders solve 10 different problems that contain various single and compound events. First, they determine the probability of selecting an ace and a king without a replacement. Then,...
Worksheet
Curated OER

Single and Compound Events

For Students 8th
In this single and compound events worksheet, 8th graders solve 10 different problems related to various single and compound events. First, they determine the probability of getting ace and a king card without replacement. then, students...