Numerical Representations Unit Test
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Questions and Answers

Which of the following numbers could NOT be the missing value in the list: 15, 6.7, 4, 100%, -55%, ______, -2.5?

  • -80%
  • -2.6
  • -180% (correct)
  • -1
  • The expression 5 ÷ 2 represents 5.

    False

    What is the absolute value of -9°C?

    9

    The number ___________ is less than 2 4.

    <p>2.3</p> Signup and view all the answers

    Whose number line represents the correct location of -1.5?

    <p>Joel's only</p> Signup and view all the answers

    What is the value of C in the equation: 5 = C?

    <p>5</p> Signup and view all the answers

    Match the following numbers with their correct order from greatest to least:

    <p>100% = Greatest 15 = Greatest 6.7 = Middle 4 = Middle -2.5 = Smallest -55% = Smallest</p> Signup and view all the answers

    The point -3 is located at the correct position on the number line.

    <p>True</p> Signup and view all the answers

    Which of the following values could be placed into the shaded area?

    <p>-15</p> Signup and view all the answers

    The number -29 is a whole number.

    <p>False</p> Signup and view all the answers

    What is the weight of object A in the science experiment?

    <p>96</p> Signup and view all the answers

    The object with the weight of 9.24 is represented by the letter _______.

    <p>B</p> Signup and view all the answers

    Which of the following lists the integers from least to greatest?

    <p>5, 1, -2, -4, -7, -9</p> Signup and view all the answers

    Match the following objects with their corresponding weights:

    <p>A = 96 B = 9.24 C = 3.9 D = 9.45</p> Signup and view all the answers

    The object with the weight of 9.45 is represented by the letter A.

    <p>False</p> Signup and view all the answers

    What is the correct order of the schools from closest to furthest away from Summer Snow Cones?

    <p>South Elementary, Westside Elementary, North Junior High</p> Signup and view all the answers

    The absolute value of -10 is negative.

    <p>False</p> Signup and view all the answers

    What is the distance from Summer Snow Cones to Westside Elementary?

    <p>5 miles</p> Signup and view all the answers

    The account balance of Bri is $______.

    <p>5/16</p> Signup and view all the answers

    Which of the following statements is NOT true about the number -10?

    <p>The number is 5 units away from zero</p> Signup and view all the answers

    Tessa's argument that the absolute value of 24 is greater than the opposite of -18 is correct.

    <p>True</p> Signup and view all the answers

    Match the students with their account balances:

    <p>Jo = 5/5 TJ = 5/16 Mat = -6.65 Bri = 5/16 Sal = -66</p> Signup and view all the answers

    What is the correct order of the rational numbers from least to greatest?

    <p>-66, -6.65, 5/16, 5/5</p> Signup and view all the answers

    Study Notes

    Numerical Representations Unit

    Rational Numbers

    • A list of rational numbers can be ordered from greatest to least.
    • Rational numbers can be represented as decimals, percentages, or fractions.

    Absolute Value

    • The absolute value of a temperature is the distance from zero.
    • Example: The absolute value of -9°C is 9.

    Number Lines

    • A number line can be used to represent rational numbers.
    • Numbers to the left of zero are negative, while numbers to the right of zero are positive.
    • Example: -1.5 is located to the left of zero on a number line.

    Ordering Rational Numbers

    • Rational numbers can be ordered from least to greatest.
    • Example: -66, -6.65, -6, 5 can be ordered from least to greatest.

    Integers

    • Integers are whole numbers, either positive, negative, or zero.
    • Example: -9, -7, -4, -2, 1, 5 are integers.

    Classifying Numbers

    • Numbers can be classified as rational numbers, integers, or whole numbers.
    • Example: -29 can be classified as an integer.

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