Curated OER
Estimation & Central Tendency
Eighth graders view pictures that show many objects, estimate amount that they think they saw, and take class data from estimation to find the mean, median, mode, and range for the class.
Curated OER
Prairie Math
Students work together to build models of prairie plants. Using the model, they estimate the height and then measure them using metric and standard units. They write a fraction to represent their part of the whole set and compare and...
Curated OER
Fractions
Students determine that a fraction is a part of a whole or part of a group. They write and read fractions and solve various fraction problems. They create their own fraction problem using colored candies for their classmate to solve.
Curated OER
TAAS Attack Daily Upkeep 2 4th Grade
In this elementary math worksheet, 4th graders practice solving problems for reviewing the concepts of number sentences, numeration, and geometry.
EngageNY
Sampling Variability in the Sample Mean (part 1)
How accurate is data collected from a sample? Learners answer this question using a simulation to model data collected from a sample population. They analyze the data to understand the variability in the results.
Curated OER
Menu Mania
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
Pennsylvania Department of Education
Seeing Doubles
Young scholars work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Young scholars represent the...
Curated OER
When Close Enough is Good Enough
Learners describe the difference between an estimate and a guess. They create reasonable estimates based on observation and hands-on activities. They synthesize estimated based on interaction with online activities.
Curated OER
The Discount Is Right
Students estimate and calculate the sale price of five items using the original price and a designated rate of discount. They use percent to calculate the rate of discount and the original.
Curated OER
The Discount is Right
Students visit various websites and calculate various prices of five items. They estimate the sale price of five items using the original price and discount rate, use percent to calculate the rate of discount and the original price, and...
Curated OER
Buggin' Out (Identifying and Adding Amounts of Money)
Students explore consumer math by participating in estimate exercises. In this currency instructional activity, students identify and define each piece of U.S. currency and their value to the monetary system. Students complete several...
Curated OER
I'll Halve S'More, Please!
Students describe a fraction in terms of sharing parts of a whole. They understand the meaning of the parts of a fraction and add and subtract like fractions. They apply fractions to problem situations and recognize and use equivalent...
Curated OER
Sizing Up the Supersize Croc
Learners examine and compare traits of humans and crocodiles. In this crocodile lesson students use a ratio to estimate the height of a person and compare that to a crocodile.
Curated OER
Apple Estimation: Percentages & Subjective Reasoning
Students practice using their estimation skills by utilizing apples. In this percentage lesson, students utilize a scale and an apple to discover the percentage of each bite they take. Students share their data with the rest of the...
Curated OER
Probability Using M&M's
Students estimate and then count the number of each color of M&M's in their bag. In this mathematics lesson, students find the experimental probability of selecting each color from the bag. Students create pictographs and bar graphs...
Curated OER
What If: The Seed Of A Story
Students read and comprehend a piece of fictional writing, analyze how setting, characterization, and plot affect the theme of a story and work in a group to create a new writing assignment. This 5-day plan culminates in students writing...
Curated OER
The Mole as a Large Number or an Exercise in Dimensional Analysis
Students complete an activity and make "provable estimates." In this dimensional analysis activity students use dimensional analysis and complete an activity.
Curated OER
Estimating Solutions to Word Problems
Fourth graders explore number sense by completing word problems in class. In this estimation lesson, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on the concept of...
PBS
Stories of Painkiller Addiction: Prescription Drug Abuse Awareness Campaign
The I-STOP law was designed to regulate the distribution and tracking of prescription drugs. After reading an article about its signing and implementation, middle and high schoolers work together to come up with their own ideas for an...
Curated OER
Use Google Maps to Teach Math
Capture the engagement of young mathematicians with this upper-elementary math instructional activity on measuring time and distance. Using Google Maps, students first measure and compare the distance and time it takes to travel between...
Curated OER
Comparing Fractions
Students discuss the nature of fractions and compare fractions based on a similar whole to determine relative size.
Curated OER
Estimating With Fire
Students solve problems with percents, decimals and fractions. In this algebra lesson plan, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Curated OER
Courts and Bounds
Students relate what they know about boundaries on sports courts to explore range of space. In this domain and range lesson, students identify numbers needed to calculate ranges and use the problem solving strategy of making a table.
Curated OER
Venn Diagrams & Word Problems
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...