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Lesson Plan
Curated OER

Estimating and Testing Steps

For Teachers 2nd - 4th
Students predict how many steps they think it will take them to get from the front of the room to the back. They record predictions on paper and then into database and then actually test by walking foot to foot to their destination...
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Interactive
CK-12 Foundation

Estimation of Whole Number Multiplication and Division: Lettuce Garden

For Students 3rd - 8th Standards
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
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Lesson Plan
Curated OER

Making Predictions About Measurement

For Teachers 3rd - 5th
Upper graders experiment with measurement. They estimate the length, volume, and weight of various objects, then rotate through stations making predictions concerning measurements and then testing their predictions.
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Interactive
Scholastic

Study Jams! Estimate Whole Numbers

For Students 3rd - 5th Standards
Watch animated slides as RJ explains how to round numbers to the nearest ten and thousand. Viewers then get a chance to try it themselves.
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Worksheet
Curated OER

Estimating Sums

For Students 3rd
For this estimating to ten and hundred worksheet, 3rd graders estimate 16 math problems by rounding to the nearest ten and 4 by rounding to the nearest hundred. Students answer 1 word problem and 2 multiple choice questions relating to...
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Lesson Plan
Curated OER

Estimating Sums

For Teachers 3rd - 4th
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
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Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
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Lesson Plan
Curated OER

There Was An Old Lady...

For Teachers K - 8th
Students participate in various activities using the story There Was An Old Lady Who Swallowed a Fly. In this reading fluency lesson, students read the story and then practice comprehension, fluency, and writing. An estimation activity...
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Lesson Plan
Curated OER

How Much Do We Save?

For Teachers K - 5th
Students use coupons to save. In this saving lesson students practice their addition, multiplication and estimating skills with dollars and cents. They investigate grocery coupons and look for ways to save money.
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Lesson Plan
Curated OER

Profit From Pumpkins

For Teachers 3rd
Third graders cut open a pumpkin. In this math lesson plan, 3rd graders complete the worksheet "From Seed to Pumpkin" and then clean out their pumpkins to see how many seeds are in it.
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Worksheet
Curated OER

Customary Units of Length

For Students 3rd - 5th
In this customary length learning exercise, students solve 4 problems where they must choose the better estimate of length. Students solve 12 problems where they must compare, convert and order customary lengths.
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Lesson Plan
Curated OER

Squirrel Challenge

For Teachers 1st - 3rd
Students utilize The Nature Park Adventure educational software program to Introduce Modelling, Including the Estimation of Angles.