Curated OER
Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
Scholastic
Study Jams! Estimate Whole Numbers
Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...
NTTI
What Size Is It Anyway?
A fabulous plan on teaching basic concepts of measurement to young learners. Pupils use nonstandard units to measure length, practice using a ruler and a yardstick, compare the length of two objects, and perform estimations of length....
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
Oklahoma State University
Math for Peanuts
Peanuts! Get your peanuts! Kids explore math, art, and agriculture concepts focused on peanuts. There is a brief informational text to get them started, and you'll find definitions of five in-text vocabulary words to address. Kids...
Curated OER
Is There Mystery in Measurement?
Investigate perimeter and area of polygons! In this measurement instructional activity, learners use index cards to create rectangles and trace their hand to estimate its area and perimeter.
Curated OER
Estimating Solutions
Finding approximate solutions to word problems allows users to assess the reasonableness of their answers. In a well-paced lesson, the class rounds numbers to estimate the solutions. They explain their thinking and determine if the...
Curated OER
Non-Standard Measurement
Students, using a list made up of things from around the room; estimate the distance of one of the items on the list with one unit, record their prediction, and then actually measure items with non-standard measuring devise.
Curated OER
ExplorA-Pond: 6th Grade Area and Random Number Tables
Sixth graders estimate surface area of a pond using a random number table.
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
Moving Day!
Eighth graders continue their geometry unit by focusing on volume. Using data, they create a spreadsheet, estimate and calculate volume. They solve real-life problems and round their answers to the hundredths place. They also practice...
Curated OER
Measurement: Measuring Hand and Feet
Here is a good lesson which invites learners to practice measurement using standard and nonstandard measuring tools. In this measurement lesson, learners work with length, width, height, and area. They use standard and nonstandard...
Curated OER
Beanie Baby Bonanza
Third graders add and subtract decimals. In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies. Students determine which five they would like to purchase and estimate...
Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Estimation
Fourth graders view a variety of rice products and calculate their cost. In this rice math lesson, 4th graders estimate cost and multiply to find 8 of each item. Students estimate using different amounts of rice products. Students...
Curated OER
The Great Egg Roll Online Project
Eighth graders decorate plastic eggs and measure how far they can roll them. They reinforce math skills involving estimation, measurement, and averaging. They record their results online and compare their results with those of students...
Federal Reserve Bank
Sky Boys: How They Built the Empire State Building
How tall is the Empire State Building? Lead your class through a collaborative estimation activity to determine the number of quarters it would take to reach the top and teach the following concepts: human capital, human resources,...
Curated OER
Estimate Quotients and Check Division With Multiplication
Students explore how to estimate quotients and check their division with multiplication. They practice rounding the divisor and the dividend. Students compare the estimate to the exact answer and determine if it is reasonable.
Curated OER
Guess Your Best
Young scholars discuss situations when it is useful to know exact weight of object as opposed to estimated weight, estimate weight of various items, weigh them on scale using ounces and pounds, and compare their weights on Guess Your...
Curated OER
What is the connection between rice and estimation?
Sixth graders investigate estimating. In this estimating instructional activity, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice...
Curated OER
M & M Math
Students sort M & Ms by a given attribute, and estimate how many M & Ms are in two bags. They graph their M & Ms and conclude which color they have the most and least of, then students combine sets of M & Ms together and...
Curated OER
Circumference and Area of a Circle
Students investigate the area and circumference of a circle. In this geometry lesson plan, students estimate and measure the radius, diameter and circumference of a circle. This assignment has an online part that is interactive.
Curated OER
The Librarian Who Measured The Earth
Students use small objects as a unit of measurement for larger objects. Working in small groups, they measure the circumference of smaller spheres and estimate the circumference of larger spheres using these measurements. Students...
Curated OER
The Right Time
Middle schoolers compute and estimate using mental mathematics, paper-and-pencil methods, calculators, and computers. They measure and compare quantities using appropriate units, instruments and methods. They utilize worksheets imbedded...
