Mathematics

8th

grade

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Playing with numbers

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14 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    generalised form of a two digit number 5x is ________

    5 + x

    50 + (x × 10)

    5 × 10 + x

    x × 10 + 5

  • 2. Multiple Choice
    45 seconds
    1 pt

    The generalised form of abcd is _________

    a + b + c + d

    (a + b + c+ d ) × ( 1000 + 100)

    a + b × 100 + c × 10 + d

    a × 1000 + b × 100 + c × 10 + d

  • 3. Multiple Choice
    45 seconds
    1 pt

    What is the usual form of p × 10 + q × 1000?

    q0p

    q0p0

    pq

    p0q

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