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Worksheet
Curated OER

Estimating Fractions

For Students 6th - 7th
In this estimating fractions worksheet, students solve 20 various problems that include estimation in each. They estimate the sum or difference in each of the problems shown on the sheet. Students calculate each mixed number into a...
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Lesson Plan
Curated OER

Solving Problems

For Teachers 2nd
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson plan, 2nd graders solve real life problems to understand estimation and money problems.
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Worksheet
Curated OER

Estimate the Difference

For Students 4th - 5th
In this estimation learning exercise, students estimate the difference by rounding each two-digit number to the nearest ten. Students complete ten estimation problems.
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Worksheet
Curated OER

Estimate Differences

For Students 4th - 5th
In this estimating differences worksheet, students estimate differences by rounding to the nearest hundred. Answers are included on page 2.
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Lesson Plan
Curated OER

Estimating Solutions to Word Problems

For Teachers 4th
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...
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Interactive
Curated OER

Estimating and Rounding-Pretest Questions

For Students 4th - 5th
In this estimating and rounding worksheet, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
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Worksheet
Curated OER

Estimating with Decimals

For Students 3rd - 6th
In this decimal worksheet, students estimate sums, differences, products or quotients in a set of 35 decimal problems. Text pages are given, but text name is not included.
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Interactive
CK-12 Foundation

Length of a Plane Curve

For Students 11th - Higher Ed
Challenge your class to use straight lines when estimating the length of a curve. An engaging interactive allows individuals to place line segments one after another along the arc. Learners determine that the more lines used, the better...
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Worksheet
Curated OER

Number Sense and Operations

For Students 5th
In this number sense and operations worksheet, 5th graders solve 17 different types of problems that include estimation and determining the exact answer of an equation. First, they determine the sum of two numbers closest to one listed....
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Interactive
CK-12 Foundation

Add and Subtract Decimals with Front-End Estimation: Wooden Beams

For Students 6th - 8th Standards
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
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Lesson Plan
Birdville Independent School District

Friendly Numbers

For Teachers 1st - 3rd Standards
There are a number of different strategies young mathematicians can use when adding two-digit numbers. This instructional activity focuses on making addition easier by rounding the addends to friendly numbers, with the resulting sum...
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Worksheet
Curated OER

Round and Estimate

For Students 3rd - 5th
In this estimation and rounding worksheet, students estimate sums or differences by rounding to the nearest hundred mile, then find the total distance from one given spot to another. 
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Lesson Plan
Curated OER

Estimating With Fractions

For Teachers 7th
Seventh graders, exploring methods to estimate fractions, take notes on estimating fractions, 7th graders write letters to explain the process of estimating fractions and mixed numbers to someone who does not know the concept. Students...
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Lesson Plan
Curated OER

Reasonable Estimates

For Teachers 3rd - 4th
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
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Worksheet
Mathed Up!

Estimation

For Students 4th - 6th Standards
Reinforce estimation and the four operations—addition, subtraction, multiplication, and division—with eight page, 15 problem independent practice exercise.
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Activity
Under the Dome

The Candy Bowl

For Students 2nd Standards
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...
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Activity
Under the Dome

The Candy Bowl Revisited

For Students 2nd Standards
Time for more candy! Learners view a video of a candy bowl where some of the candy is removed and more placed back. Scholars come up with questions about the scenario to answer and request additional information from the teacher. At the...
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Lesson Plan
Curated OER

Let's Go Shopping: Estimation At The Mall

For Teachers Higher Ed
Students estimate the total cost of a shopping trip. For this estimation lesson, students use three different techniques to estimate how much a shopping trip will cost.
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Lesson Plan
Pennsylvania Department of Education

Adding Common Fractions

For Teachers 4th
Fourth graders estimate various measurements. In this lesson plan on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
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Lesson Plan
Curated OER

Connecting Formulas Related to Geometric Figures

For Teachers 8th - 12th
Young scholars identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
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Lesson Plan
Curated OER

Money Matters

For Teachers 3rd
Third graders make fair trades and exchanges of their money in order to have practical experiences with the essential "rules" of our place value system. They create groupings of tens, hundreds, thousands using play money and place value...
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Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
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Lesson Plan
Curated OER

Paper Airplane Activity

For Teachers 9th
Ninth graders select and build one of five different paper airplane designs and test them for distance and for time aloft. Part of this activity is designed to explore NASA developed software, FoilSim, with respect to the lift of an...
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Printables
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text, while the bottom is the...