Curated OER
Proportions
For this proportions worksheet, students solve and complete 7 various types of problems. First, they determine the better buy based on the information provided for each word problem. Then, students find the value of a variable given its...
Curated OER
Punch Mix-up
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. In this fraction lesson, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
Curated OER
Direct Proportion
For this direct proportion worksheet, students read through an example problem and 2 practice questions on how to use direct proportions. Then, students use direct proportions to solve 20 additional questions.
Curated OER
Discovering a Law of Space Physics
Students use data collected by an astronomer to determine the relationship between the time it takes the planet to orbit the sun and the average radius of the planet's orbit around the sun. Students use trial and error to find the...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Proporcionalidad
In Spanish. In this unit you will practice proportion. You will be able to distinguish whether quantities are or not in proportion and solve problems of direct and indirect proportion.
Mangahigh
Mangahigh: Algebra: Direct Proportion
Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students form and use the formula for direct variation.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Proportionality
Acquire a deeper understanding of the concept of proportionality. Concise definitions, detailed examples, and an interactive worksheet to apply what you have learned.
Wolfram Research
Wolfram Math World: Direct Proportion
MathWorld offers a concise mathematical definition of direct variation or direct proportion.
Mocomi & Anibrain Digital Technologies
Mocomi: Ratio and Proportion
Gives examples of ratios and proportions and how to solve them.