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Unit Plan
PBS

Pbs: Who Won?: Comparing Decimals to the Thousandths Place

For Students 3rd - 5th
To figure out who won the race you have to compare their times. This interactive exercise focuses on using what you know about ordering decimals, number lines and rounding to the tenths place and then asks you to think about what numbers...
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Interactive
Quia

Quia: Decimal and Whole Number Jeopardy

For Students 3rd - 6th Standards
You can use this web site to compare and round numbers and to also practice rounding whole numbers and decimals. You can just play by yourself or with another player! See how many points you can get.
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Handout
Purple Math

Purplemath: Rounding Numbers

For Students 3rd - 5th Standards
Reviews how to round numbers to a given place or number of decimal places.
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Activity
NumberNut

Number Nut: Estimate and Round Why Is This Important?

For Students 3rd - 7th
Problem solving will become a little easier when you understand the concepts of estimation and rounding. Explore how these concepts are used in mathematics and real world applications. Detailed examples and links to related games...