UNIT 3 Pre-assessment - Rebecca Monroe | Library

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Round 42 to the nearest ten.

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Round 85 to the nearest ten.

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Round 629 to the nearest ten.

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Round 812 to the nearest ten.

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Round 242 to the nearest hundred.

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Round 485 to the nearest hundred.

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Round 629 to the nearest hundred.

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Round 812 to the nearest hundred.

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139+141=140+142

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231-219=232-220

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543+529= ? + 530

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543-529= ? - 530

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Select TWO numbers that have the sum closest to 500.

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Select TWO numbers that have a sum closest to 1,000.

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Explain in complete sentences your strategy for 6a. How did you choose the two numbers to add to get closest to 1,000?

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Write just the name of the person that read the most and won the contest.

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How many more pages did the winner read than the loser? Show your work useing sketches, numbers, or words.

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The winner read ____ more pages than the loser.

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Which equation does NOT represent this problem? (The letter p tells how many more pages the winner of this contest read).

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The school had 253 students. Over winter break, 64 students moved away, but 16 new students moved in. How many students are now in the school. Show your work using sketches, numbers, or words.

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There are now _____ students in the school.

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Write an equation, or pair of equations to represent this problem.

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Use a strategy to solve 23 +48= Use pictures, sketches, numbers, or words to solve.

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23+48=

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Use a strategy to solve 263 +498= Use pictures, sketches, numbers, or words to solve.

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263+498=

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Use a strategy to solve 182-27= Use pictures, sketches, numbers, or words to solve.

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182-27=

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Use a strategy to solve 164-143= Use pictures, sketches, numbers, or words to solve.

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