Math Planet
Math Planet: Pre Algebra: Probability of Events
Discover how to find the probability of an event by taking a look at examples and a video lesson.
Math Planet
Math Planet: Algebra 1: Calculating With Percents
Provides examples and a video lesson that illustrates how to solve percent problems.
Khan Academy
Khan Academy: Review: Intro to Ratios
Explains how to determine a ratio from a simple diagram. Includes some multiple-choice practice questions and explanations of the solutions.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Track Practice
Angel and Jayden were at track practice. The track is $\frac25$ kilometers around. Aligns with 7.RP.A.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Games at Recess
Students use ratios to answer three questions based on a specific set of data in this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Three, Variation 3
Students use simple ratios to answer the following question: John, Marie, and Will all ran for 6th grade class president. The ratio of votes for John to votes for Will was two to one. Marie got exactly the average number of votes for the...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Three, Variation 2
John, Marie, and Will all ran for 6th grade class president. Of the 36 students voting, the ratio of votes for John to votes for Will was two to one. Marie got exactly the average number of votes for the three of them. How many more...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Three, Variation 1
Students use ratio relationships between two quantities to answer three questions in this diagram-based performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Two, Variation 4
Students use ratio reasoning to solve the following performance task: John and Will ran for 6th grade class president. John got two votes for every vote Will got. It was necessary to get more than half the votes to get elected. What...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Two, Variation 3
Students use ratios to solve the following performance task: John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. It was necessary to get more than half the votes to...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Two, Variation 2
Students use ratios to solve the following performance task: John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. How many more votes did John get than Will?
Illustrative Mathematics
Illustrative Mathematics: 6.rp Voting for Two, Variation 1
John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. How many votes did each get? Aligns with 6.RP.A.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Running at a Constant Speed
Students use ratio and rate reasoning to answer four questions in this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Security Camera
Students use ratio and rate reasoning to answer four questions in this diagram-based performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Shirt Sale
Students use ratio and rate reasoning to solve the following performance task: Selina bought a shirt on sale that was 20% less than the original price. The original price was $5 more than the sale price. What was the original price?...
Illustrative Mathematics
Illustrative Mathematics: 6.rp the Escalator, Assessment Variation
Young scholars demonstrate their understanding of the concept of ratio and unit rate association with a ratio.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Price Per Pound and Pounds Per Dollar
Young scholars use ratios to answer four questions about rate and pounds in this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Hippos Love Pumpkins
Students use ratios to answer four questions about rates in situations involving unusual units in this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Riding at a Constant Speed, Assessment Variation
Students use ratios to answer four questions about rate and distance in this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Friends Meeting on Bicycles
Students use ratio and rate to answer five questions in this real-world math performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Dana's House
Students use ratio and rate to solve this real-world math performance task: The lot that Dana is buying for her new one story house is 35 yards by 50 yards. Dana's house plans show that her house will cover 1,600 square feet of land....
Illustrative Mathematics
Illustrative Mathematics: 6.rp Mangos for Sale
Young scholars use ratios and unit rates to answer this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Gianna's Job
Learners use ratios and rates to answer two questions in this performance task.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Overlapping Squares
Students use ratio and rate to answer this performance task: The data transfer rate of an Internet connection is the rate in bytes per second that a file can be transmitted across the connection. Data transfer is typically measured in...