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Mrs. Robeson,    Donaldson Learning Lab Teacher
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Mrs. R's Home!
Mission
Great Quotes
Expectations
Lab's Schedule
Homework Info
Parent Place
Why Read Daily?
Math Links
Handwriting &
Fine Motor Links
Decoding
Word Study & Listening Skills
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Literature Links
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Text Links
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& Spelling Links
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Miscellaneous Links
Mrs. R's del.icio.us Page
About Mrs. R
Family Pictures
Teachers'
Resources
Donaldson Elementary
Approximating, Estimating & Rounding
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Estimation & Rounding
These pages teach estimation and rounding skills covered in K - 8 math courses.
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Round & Estimate
Lots of rounding, approximating & estimating activites
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More or Less
Learn about the estimation process.
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Skillswise Rounding Activites
Learn rounding & using rounding to make estimates.
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FactMonster
Rounding #'s Info
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Pinpoint That #
Have you got good judgement?

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# Nut Rounding & Estimating
Explaination & activites
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Estimation Games
Interactive estimating activities
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Estimating Sums & Differences
Rounding is one way to estimate sums and difference.
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Can You Fill It?
Observe how liquid partially fills the container, & estimate how many "pours" will fill it to the top, without overflowing.