Understand the connection between ratio, percents, and fractions.
How do we use ratios to make predictions? Let's find out!
To understand the concept of ratio and use ratio language to describe a ratio relationship between two quantities.
Students will be using ratio tables to convert units of metric measurements and looking for patterns to help make the problems easier.
An open-ended assessment using ratios and rates.
How can you use a bar model to represent ratio problems? Students work with problem sets on the Thinking Blocks website.
Mathematics, ratios and how they connect to the real world.
Using rich math problems and multiple representations to solve ratios.
Using a tape diagram is one of the key models for ratios and proportions.
The ratio table is a tool that students can use to solve a variety of problems.
Students will write ratios using a variety of formats.
Somehow, a bank robber managed to infiltrate Mercenary Bank - and he's looking to fill a briefcase with a million dollars in stacks of 50 dollar bills. But is his briefcase large enough to hold a million bucks?
Learners explore the concepts of rate and ratio in a variety of problem-solving situations. Worksheets contain definitions and visual representations of concepts. Link to related ratio game. Other skills include measurement, data analysis, and number sense. Acrobat Reader required.
This lesson shows students how to convert between the colon and fraction format with ratios. It is 6 of 13 in the series titled "Converting Between Fraction and Colon Format." [2:14]
This lesson [1:49] introduces the student to how a fraction can be rewritten as a whole number. It is 1 of 11 in the series titled "Converting Fractions to Whole Numbers."
In this video segment from Cyberchase, the CyberSquad and Digit construct a physical profile of the person who kidnapped Choocroca, a giant cybercrocodile. [2:49]
Carla's birthday cash is burning a hole in her pocket, but the stores downtown have her in a bind! Her favorite three stores all have sales - "Buy Two Get One Free," "40% off Everything," and "Buy One Get One Half Off." Which sale will give Carla the most bang for her buck?
In this interactive lesson, students will experience the engineering design process as an aerospace engineer assigned to design and test an airplane.
Students use their height and the length of the shadow to determine the height of buildings. A great outdoor activity to learn about proportions and ratios.
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours of recording on a 120 minute video tape. A one page activity from the NCTM Math Challenges for Families collection that connects this skill to real world applications.