National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Curated OER
Math Series
Even though this activity is just a simple review of estimation, it is a fast and easy way to explore this topic. Young mathematicians estimate the number of items contained in two jars and discuss their answers. Afterwards, they can use...
Curated OER
100th Day Celebration
Pupils celebrate the 100th day of school with a variety of math and language arts activities based on the number 100. They make books, count objects, and draw their predictions about life 100 years from now. They also estimate the...
Ohio Department of Education
Writing and Comparing Numbers in Scientific Notation-Grade Eight
Explore scientific notation in this mathematics lesson. Young mathematicians explore multiple representations of large number in scientific notation through the use of models, visual representation and expanded form. The lesson provided...
Under the Dome
The Candy Bowl
Wonder how many pieces of candy a teacher can eat. Pupils watch a video of candy in a bowl as some candy is removed to be eaten and others are added. Learners devise questions about the situation along with estimated solutions. Scholars...
US Department of Commerce
Looking at Numbers of Births Using a Line Graph
Was there a baby boom? Using census data, class members take a look at the number of 8-11 year olds and determine their birth years. Scholars create a double line graph to compare the number of births for two states for several years....
Center for Mathematics and Technology
Whole Numbers: Using an Area Model to Explain Multiplication
There are many ways to work through a multiplication problem. Using an area model, kids complete several worksheets with different types of multiplication problems, including multiplying by ten, and explain how the new strategies differ...
Bowland
Hot Under the Collar
It is close enough for all practical purposes. Pupils see two methods to convert degrees Celsius to degrees Fahrenheit, one with exact numbers and another using estimation. Learners review both methods and determine when the estimation...
Radford University
Green Cravings
Build up a bag of green. Pupils determine the number of green Skittles in a snack bag and come up with a way to determine how many snack bags it would take to create one bag of only green Skittles. Classmates share their methods and...
Curated OER
Mystery Stars: Estimating Whole Numbers Using Fractions Shown on Sectors of a Circle
In this set of fraction worksheets, learners cut out 6 pages of circles that show fractions with stars covering different sections of circles. They show one section of the circle in order to estimate the whole number of stars by looking...
Curated OER
Dividing Decimals
In this mathematics worksheet, 6th graders find the quotient for each problem listed. Then thy explain their estimates, divide, and multiply to check their answers.
Curated OER
Is the Price Right?
Students listen to the book, Arthur's Funny Money, then play The Price is Right game to estimate and to chart the price of items to the nearest $1.00 and $10.00. They check their estimates by counting out the actual amount in play money.
Curated OER
Finding PI
Students select and use appropriate operations, methods and tools to compute or estimate using whole numbers. They develop and use formulas for determining the circumference and area of circles. Students determine and describe the...
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Measuring to the Nearest Inch
Third graders use whole numbers and fractions to make connections between abstractions of the mathematical world and the real world. In this fractions and measurement activity, 3rd graders identify, quantify groups , and measure...
Curated OER
Ratio and Proportion Word Problems
In this ratio and proportion worksheet, 8th graders solve 10 different word problems that include determining the ratio and probability of events described. First, they determine the ratio of hawks to crows in a cornfield. Then, students...
Pennsylvania Department of Education
Order, Order
Students use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.
Curated OER
Seeing Numbers In Tens And Ones
Second graders develop the skill of place values up to the tens place. They practice identifying the values of 2 digit numbers and writing the correlating values with counting. They use the example of money to make the lesson more...
Curated OER
Multiplication Lesson Plan
Young scholars roll dice to come up with 1 digit numbers that they multiply together. In this multiplication lesson plan, students arrange piles of blocks and count them to complete problems.
Curated OER
Shel Silverstein Poetry Math
Fifth graders explore the connection between poetry and math by reading poems that involve numbers. In this Shel Silverstein poetry math lesson plan, 5th graders listen to 5 poems read aloud and discuss how math was used in the...
Curated OER
Rounding
First graders round to estimate greater sums. After a lecture/demo, 1st graders complete a web lesson on estimation. They practice rounding to the nearest hundred using a restaurant take-out menu.
Curated OER
Rounding Decimals to Tenths (A)
In this mathematics worksheet, students round the decimal numbers listed to the nearest tenth place. There are 60 problems to solve on the sheet.
Curated OER
Estimating
A good estimator usually has a good number sense. Make good estimators out of your class with this fun estimation activity. They review words that express estimation, estimate the number of three different sets, and then estimate the...
Curated OER
How Does Your Population Grown?
Do you know how the population has grown of your community? Can you predict the population over the next half century? Can we find an algebraic model that matches our data? These along with many more questions can be researched by...
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