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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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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.