Mathematics

1st

grade

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Enteros

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20 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    –(+3 – 2 - 1) + (-5 + 7 + 4) 
    12
    6
    8
    21
  • 2. Multiple Choice
    1 minute
    1 pt
    40-40-21
    80
    1200
    -21
    0
  • 3. Multiple Choice
    1 minute
    1 pt
    40-40-21
    80
    1200
    -21
    0
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