Worksheet
Curated OER

Estimation: Word Problems

For Students 3rd - 4th
For this math worksheet, students estimate the answers to 6 addition problems. Students then examine a table showing the items in a local library and answer 10 estimating questions about the table.
Lesson Plan
Curated OER

Easy Estimation

For Teachers 1st - 3rd
Learners use estimation as a math strategy. Students estimate the number of small snacks that are presented to them. Learners count the snack items after they have estimated how many there are, before the class snack on a daily basis.
Worksheet
Curated OER

Estimating to Check Results- Reteaching Worksheet

For Students 1st
In this estimating to check results reteaching worksheet, 1st graders examine how to use estimation to check their addition. They apply the steps to solve and check 2 word problems.
Lesson Plan
Curated OER

Study Buddies: Dividing by Two-Digit Numbers/One-Digit Quotients

For Teachers 3rd - 4th
In this math worksheet, students will work with a coach to solve a two-digit division problem. Students will follow a step-by-step process and notes are provided for the coach.
Worksheet
National Council of Teachers of Mathematics

Improving Archimedes' Method

For Students 9th - 12th
For this Archmides' method instructional activity, learners determine the area of a regular n-gon inscribed in a circle.  They use sine and cosine functions to solve problems.  This three-page instructional activity contains 4...
Lesson Plan
Curated OER

Measuring Angles

For Teachers 6th - 8th Standards
Middle schoolers explore angle measure as they estimate angle measure and measure and draw angles of less than 360 degrees. The lesson emphasizes the use of estimation when measuring angles.
Lesson Plan
Curated OER

Study Buddies: Adding Decimals

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

How Much is a Million?

For Teachers 2nd - 4th
Students discover the magnitude of the number 100. The sense of the number is developed by allowing students to experience 100 by counting it, measuring it, feeling it, and doing it, hands-on
Lesson Plan
Curated OER

Data Scavenger Hunt

For Teachers 8th
Eighth graders discuss how data is collected and participate in data collection through a survey. They complete a scavenger hunt on the Internet to gain understanding of the data measures mean, median, mode, and range.
Lesson Plan
Curated OER

Pumpkins By the Pound

For Teachers 1st - 3rd Standards
Use pumpkins of various sizes to experiment with weight and perimeter. First the class lifts the pumpkins one by one, estimating each pumpkin's weight. They arrange the pumpkins from lightest to heaviest, and then string weigh each one...
Organizer
Curated OER

Graphs

For Students Higher Ed
In this graphing worksheet, students read information and study diagrams about graphing. Students complete 3 graphing activities.
Lesson Plan
Biology Corner

Random Sampling

For Teachers 7th - 12th Standards
Simulate a random sampling of data by tearing 20 sheets of paper into slips and place a number on 10 and a letter on 10. They place the slips in two separate containers and randomly draw a number and a letter. They record their...
Lesson Plan
Curated OER

Pancakes, Pancakes!- Measuring

For Teachers 1st - 2nd
Students estimate measurements in real world problem situations. In this estimation lesson, students read the book Pancakes, Pancakes and estimate how many cups equal a pint, quart, and gallon. Students test their estimations by...
Worksheet
Curated OER

Estimation in Real Life Problems

For Students 4th - 5th
In this estimating measurements worksheet, students solve 15 real life application problems. Students estimate heights and sizes of objects and figure out if estimated numbers are reasonable. This page is intended to be an online...
Worksheet
Curated OER

Estimated Distances

For Students 3rd - 5th
In this estimating distances worksheet, students examine a mileage table and respond to 6 questions that require them to use their subtraction skills.
Lesson Plan
Curated OER

Mystery Stars: Estimating Whole Numbers Using Fractions Shown on Sectors of a Circle

For Teachers 4th - 5th
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...
Worksheet
Curated OER

Equal Estimates- Decimals

For Students 3rd - 5th
In this decimal estimation worksheet, students estimate a set of addition and subtraction problems, rounding to the nearest whole number, then place each problem in the box that contains its estimated sum or difference.
Worksheet
Curated OER

Estimate Differences

For Students 4th - 5th
In this estimation instructional activity, learners solve a total of 6 word problems that involve rounding to a given place value and estimating.
Lesson Plan
Curated OER

Comparing Distances

For Teachers 3rd - 5th
Students practice estimating distances by analyzing a map. In this length measurement lesson, students view a map with a distance key and use their measurement skills to estimate the distance between two cities. Students utilize an...
Worksheet
Curated OER

Estimate the Sum

For Students 3rd - 4th
In this estimating instructional activity, learners round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.
Worksheet
Curated OER

Estimate the Sum

For Students 4th - 5th
In this estimating sums learning exercise, students round each number in addition problems to the nearest hundred and solve. Answers are included on page 2.
Worksheet
Curated OER

Estimate the Sum

For Students 3rd - 4th
In this rounding to find the sums worksheet, students round to the nearest thousandths and add. Students solve nine problems. 
Worksheet
Curated OER

Estimate Products

For Students 4th - 5th
In this estimating products worksheet, students round factors in problems to the nearest ten and solve. Answers are included on page 2.
Worksheet
Curated OER

Worksheet 19

For Students 11th - Higher Ed
In this math learning exercise, students try to fit a line to a set of data. Then they use the least squares method is based on minimizing the sum of the squares of the errors.