Curated OER
Book Title: Great Estimations
Explore estimation with your math class. They will estimate how many Cheerios are in a box. Then count and group 50 Cheerios on a twist tie and attach groups to represent hundreds. They then discuss and practice skip counting and revise...
Curated OER
The Estimation Station
Students challenge "common knowledge" against newly learned estimation strategies and put those strategies into use. They consider variables in estimating different groups of objects and practice skills of representing numbers.
Curated OER
Mystery Jars
This is a twist on the old "guess how many jellybeans" game. Using estimation and math skills, learners participate in a fun "mystery jars" activity, trying to make educated guesses at how many objects are in two jars. The basic activity...
Curated OER
Counting (Up to 120)
These five sets of objects provide a counting challenge for learners: will they discover strategies to make their job easier? Each array has between 44 and 95 objects in rows. Have learners do the first one, then review their strategies....
Curated OER
Counting Seeds
Students practice skip counting strategies, estimation, and higher number addition. They estimate the number of seeds in bell pepper, and count seeds in groups of tens and ones after the teacher removes seeds from the pepper.
Curated OER
Estimate a Dinner Plate
Learners work with a partner to solve the real-world problem of planning a favorite meal given a specific budget. They review and practice estimation strategies to determine the reasonableness of calculations in a given situation.
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Soaring Towers
How tall can your tower get? Implement shapes, building strategies, teamwork, and prediction in this interactive tower activity. Learners discuss past experiences with stacking materials, recalling ways they kept it from falling over....
Curated OER
Growing Caterpillars
Explore multiplication through caterpillar study. Learners will view a caterpillar video clip and work with a group to determine how much they would weigh if they grew to be 3,000 times their size as does the caterpillar. They will...
Curated OER
Problem Solving: Guess and Check
Sometimes guess and check is the best way to solve a word problem. Learners use the guess and check strategy to solve each of the 6 included story problems. Note: At times younger children have difficulty using estimation or the guess...
Scholastic
Mathematics
Three word problems prompt young learners to review their test-taking skills. Each problem provides five possible answers, allowing kids to use the most efficient strategy when solving for the answer.
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...
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Examining Estimation
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
Curated OER
Estimation
Students estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Students practice making estimations.
Fluence Learning
Solve Problems Using Measurement Concepts
Young mathematicians demonstrate what they know about measurement with a four-task assessment that focuses on estimation, length, and inches.
Curated OER
Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
Curated OER
Cheerios- Not Just for Breakfast Anymore
Second graders measure surface area and perimeter using estimation. They complete a variety of measurement activities using Cheerios breakfast cereal.
Curated OER
Twelve Days of Christmas--Prediction, Estimation, Addition, Table and Chart
Scholars explore graphing. They will listen to and sing "The Twelve Days of Christmas" and estimate how many gifts were mentioned in the song. Then complete a data chart representing each gift given in the song. They also construct...
Curated OER
How Many in a Minute
Students estimate what they can accomplish in a minute. In this estimation lesson, students guess how many jumping jacks or stars they can draw in a minute. They get timed and see how close they are to their prediction.
Curated OER
Mystery Jars: Make Your Own
There are many ways to implement this estimation and counting activity. Young mathematicians fill jars with objects to create "mystery jars." Add difficulty by using smaller objects. After counting, learners secretly record their exact...
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Introduction to Estimation and Making Arrays
Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.
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Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Weight Game
Students estimate and compare grapefruit weights. In this weight measurement and literacy lesson, students listen to the story Nate's Big Hair and the Grapefruit in There, then estimate the weight of a grapefruit after holding it....
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 simple sums.
Curated OER
Mystery Jars
Youngsters discover ways to estimate. They will use two jars with large and small items and estimate the number of items. Then record their estimate and explain why they answered the way they did. They try this experiment with different...