Curated OER
Estimating Sums
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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Rounding and Estimation
In this rounding and estimating activity, students learn how to round numbers up and down. They also read about using estimations to quickly calculate answers to difficult math problems. Students then solve the 12 rounding questions in...
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Activity: Estimate Time
In this estimating time review worksheet, students practice their estimation skills as they estimate how many times they can do 3 activities in 1 minute. Students check their work and then identify things that take them 30 seconds, 5...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 3
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.
Curated OER
Standard Units of Measure
Learners explore linear measurement. They choose appropriate measuring tools, measure three classroom items, and record their results. A class discussion ensues in which everyone decides the best way to present their data.
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Study Buddies- Estimating Products
In this math worksheet, students work with a partner to practice estimating products using rounding. They discuss the process of rounding and whether multiplying the rounded numbers is easier or more difficult than multiplying the...
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Pumpkins By the Pound
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...
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Comparing Distances
Students practice estimating distances by analyzing a map. In this length measurement instructional activity, students view a map with a distance key and use their measurement skills to estimate the distance between two cities. Students...
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Study Buddies: Adding Decimals
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.
Curated OER
There Was An Old Lady...
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...