Illustrative Mathematics
Data Transfer
A question to ask your class is, How fast is your Internet? That depends on the data transfer rate (DTR), which is the unit rate used in this activity. Math students will calculate how long it takes to download a music file and a video...
Illustrative Mathematics
Voting for Two, Variation 4
After elections, the total amount of votes is not specified but the ratio of votes is. Your learners' job is to determine the fraction of votes John received above half of all votes. The problem can be solved abstractly or by other...
Illustrative Mathematics
Voting for Two, Variation 3
After calculating election votes, your learners must determine how many votes the winner, John, got above 50%. This multi-step problem encourages them to think in a deeper way about what the question is asking them to find. Use with...
Illustrative Mathematics
Voting for Two, Variation 2
John won the election, but by how much more? Your learners will calculate how many votes each candidate received in order to determine the difference. Use with other lessons provided in the series to practice different variations of this...
Illustrative Mathematics
Voting for Two, Variation 1
The votes are in and your mathematicians are going to calculate how many votes each candidate received. Three different solution choices are given, depending on which method is taught. Have your learners set up a table, compute parts, or...
National Research Center for Career and Technical Education
Health Science: Back to Basics
This lesson focuses on unit conversion, proportions, ratios, exponents, and the metric system. Discuss measurement with your math class and demonstrate how to solve several health-science word problems. Give learners a chance to visit an...
Granite School District
Types of Ratios
Ratios can be written in a number of ways including whole to part, part to part, part to whole. For each problem, young mathematicians write the given ratio and classify it based on those categories.
Yummy Math
Twinkies
Brian was devastated when Hostess® filed for bankruptcy, and he was also fearful that his favorite snack treat would be lost forever. The snack food was in danger of being lost, your class won't be lost when using Twinkies® as the...
Illinois State Board of Education
Solar System
Aspiring astronomers solve problems involving mixed units of the same attribute, including time, money, length, and area. They convert large numbers into scientific notation, then compute and compare ratios to explain why drawing...
Helping with Math
Ratio and Proportion: Writing Ratios (2 of 2)
Elementary and middle schoolers use pictures to figure out simple ratios and complete ratio word problems. An example is done for learners in which three apples and seven oranges are displayed. The answer simply is a ratio of 3:7. The...
Helping with Math
Ratio and Proportion: More Writing Ratio
Three ratio word problems make up this concise assignment. Mathematicians compare blondes to redheads, red and white shirts, and action-adventure and sports video games. The write ratios to answer the questions. Use this as a class warm...
Math Worksheets Land
Ratio Worksheet (Eggs and Marbles)
Challenge your eggheads with this task! They write ratios of good, rotten, and broken eggs. Then they write ratios for different-colored marbles. A straightforward assignment that provides needed practice when first learning ratio format.
Curated OER
Handy Reflections
Learners explore reflections on a coordinate plane in this lesson plan. They trace their hand on a grid, determine the coordinates of each point, and create a scatter plot of their points. Pupils use this information to investigate...
Helping with Math
Ratio and Proportion: Writing Ratios (1 of 2)
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...
Alabama Learning Exchange
I Scream for Ice Cream!
Young scholars perform an experiment. In this combinations lesson, students complete an experiment where they find out how many ice cream cone combinations they can make with 5 different flavors of ice cream and 4 types of cones. They...
Curated OER
Managing Nutrients in Livestock Manure
Livestock managers reinforce math and science skills while learning about the nutrients found in manure. They predict which animal produces the largest amount and which animal's manure contains the most nitrogen. Finally, they compare...