Mathematics Unit 1 Pre-test Quiz!

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  • 1/22 Questions

    Which equivalent expression is equal to 7/9?

    • 0.797979...
    • 0.777777...
    • 0.7
    • 0.636363...
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About This Quiz

Mathematics Unit 1 pre-test is designed to help the student evaluate more about their understanding when it comes to some of the topics they have covered so far. Do you feel like you have enough knowledge to pass the test below and get to see if you need more practice to perfect your English skills? All the best and keep on revising!

Mathematics Unit 1 Pre-test Quiz! - Quiz

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  • 2. 
    Write the following mixed number as a decimal: - ProProfs

    Write the following mixed number as a decimal:

    Explanation
    The given mixed number, 12.25, is already in decimal form. There is no need to convert it further.

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  • 3. 

    What fraction equals a repeating decimal?

    • 3/10

    • 1/3

    • 6/12

    • 3/4

    Correct Answer
    A. 1/3
    Explanation
    A repeating decimal is a decimal number that has a repeating pattern of digits after the decimal point. To find the fraction equivalent of a repeating decimal, we can set up an equation. Let x be the repeating decimal. Multiply both sides of the equation by a power of 10 that eliminates the repeating part. Subtracting the original equation from the new equation, we can eliminate the repeating part and solve for x. In this case, the repeating decimal is 0.3333..., which can be expressed as 1/3. Therefore, the correct answer is 1/3.

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  • 4. 

    Which is the best name for numbers that describe distances on a map?

    • Whole numbers

    • Positive integers

    • Negative integers

    • Rational numbers

    Correct Answer
    A. Rational numbers
    Explanation
    Rational numbers are the best name for numbers that describe distances on a map because rational numbers include both positive and negative integers as well as fractions. Distances on a map can be represented by whole numbers (such as 1, 2, 3), positive integers (such as 5, 10, 15), negative integers (such as -5, -10, -15), and fractions (such as 1/2, 3/4, 2/3), all of which are included in the set of rational numbers.

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  • 5. 
    What is an estimate of ? - ProProfs

    What is an estimate of ?

    • 1.5

    • 3.1

    • 3.9

    • 4.1

    Correct Answer
    A. 3.9
    Explanation
    An estimate is an approximate calculation or judgement of a value. Among the given options, 3.9 is the closest estimate to the unknown value being asked for.

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  • 6. 

    A small square garden has an area of 25 square yards. How long is each side of the garden?

    • 2 yards

    • 2.5 yards

    • 5 yards

    • 5.2 yards

    Correct Answer
    A. 5 yards
    Explanation
    The area of a square is calculated by multiplying the length of one side by itself. In this case, the area is given as 25 square yards. To find the length of each side, we need to find the square root of the area. The square root of 25 is 5, so each side of the garden is 5 yards long.

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  • 7. 
    Which number is between 3.1415 and  ? - ProProfs

    Which number is between 3.1415 and  ?

    • 1.5

    • 2.5

    • 3.5

    • 4.5

    Correct Answer
    A. 3.5
    Explanation
    The number that is between 3.1415 and 3.5 is 3.5 itself.

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  • 8. 

    Estimate the square root of 150 to the nearest tenth.

    Correct Answer
    12.2
    Explanation
    To estimate the square root of 150 to the nearest tenth, we can use the fact that the square root of 121 is 11 and the square root of 169 is 13. Since 150 is closer to 169 than 121, we can estimate the square root to be closer to 13 than 11. Therefore, the estimated square root of 150 to the nearest tenth is 12.2.

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  • 9. 

    The sun is 1.4 x 109 meters in diameter. What is the diameter of the sun in standard notation? DO NOT put commas in to receive full credit.

    Correct Answer
    1400000000
    Explanation
    The diameter of the sun is given as 1.4 x 10^9 meters. In standard notation, this can be written as 1400000000.

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  • 10. 

    The population of a South American country is about 17,400,000. Which expression shows his number in scientific notation?

    • 1.7 x 107

    • 1.74 x 107

    • 1.8 x 107

    • 17.4 x 106

    Correct Answer
    A. 1.74 x 107
    Explanation
    The expression 1.74 x 107 represents the population of the South American country in scientific notation. In scientific notation, a number is written as the product of a decimal number between 1 and 10 and a power of 10. In this case, 1.74 is the decimal number between 1 and 10, and 107 is the power of 10. Therefore, 1.74 x 107 is the correct expression for the population in scientific notation.

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  • 11. 
    Which of the following is true: - ProProfs

    Which of the following is true:

    • Only I

    • Only II

    • Only I and II

    • Only II and III

    Correct Answer
    A. Only I
  • 12. 
    What two whole numbers would be in between? - ProProfs

    What two whole numbers would be in between?

    • 5 and 6

    • 6 and 7

    • 11 and 12

    • 12 and 13

    Correct Answer
    A. 11 and 12
    Explanation
    The given question asks for two whole numbers that would be in between 5 and 6. Looking at the options, we can see that the numbers 11 and 12 are the only ones that fit this criteria. Therefore, the correct answer is 11 and 12.

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  • 13. 

    One type of insect is 0.0052 meters long. What is this length in scientific notation?

    • 5.2 x 10-3

    • 5.2 x 10-2

    • 52 x 103

    • 52 x 104

    Correct Answer
    A. 5.2 x 10-3
    Explanation
    The length of the insect is given as 0.0052 meters. In scientific notation, we express this number as a decimal between 1 and 10 multiplied by a power of 10. To convert 0.0052 to scientific notation, we move the decimal point 3 places to the right, resulting in 5.2. Since we moved the decimal point to the right, the power of 10 is negative, indicating that the number is less than 1. Therefore, the correct scientific notation for the length of the insect is 5.2 x 10-3.

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  • 14. 

    The diameter of a blood cell is 8.4 x 10-6  What is the diameter of a blood cell in standard notation?

    Correct Answer
    0.0000084
    Explanation
    The diameter of a blood cell is given as 8.4 x 10^-6. In standard notation, this can be expressed as 0.0000084. This is because when we have a number in scientific notation, we move the decimal point to the left or right to convert it into standard notation. In this case, we move the decimal point 6 places to the left, resulting in 0.0000084.

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  • 15. 

    What is the answer in scientific notation? (3.3 x 107) + (7.7 x 108)

    • 8.03 x 109

    • 8.03 x 108

    • 11 x 108

    • 11 x 109

    Correct Answer
    A. 8.03 x 108
    Explanation
    The given expression is a sum of two numbers in scientific notation. To add them, we need to make sure that the exponents are the same. In this case, we can rewrite (3.3 x 107) as (0.33 x 108) to match the exponent of (7.7 x 108). Adding these two numbers gives us (0.33 + 7.7) x 108 = 8.03 x 108. Therefore, the correct answer is 8.03 x 108.

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  • 16. 
    Find an integer between  - ProProfs

    Find an integer between 

    Correct Answer
    -2, -1, 0, 1
    Explanation
    The given question asks to find an integer between -2, -1, 0, and 1. However, the answer provided includes all the given integers -2, -1, 0, and 1. Therefore, the answer does not provide an integer between the given numbers.

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  • 17. 

    What is the value of 3-5 ?

    • 33333

    • -33333

    • -243

    • 1 / 243

    Correct Answer
    A. 1 / 243
    Explanation
    The value of 3-5 is equal to 1/243. This can be determined by subtracting 5 from 3, which gives us -2, and then raising 10 to the power of -2, resulting in 1/100. Simplifying further, we can express 1/100 as 1 / (10^2), which is equivalent to 1/243.

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  • 18. 
    Compare the decimal forms of  How are they alike, and how are they different? (Use 2/5 and 4/9 to type your answers.) - ProProfs

    Compare the decimal forms of  How are they alike, and how are they different? (Use 2/5 and 4/9 to type your answers.)

  • 19. 

    How are the values of -43 and 4-3 alike and how do they differ?

  • 20. 

    Write your answer in scientific notation.      example:  108 = 10^8 (5.4 x 108) (3.2 x 106) = 

  • 21. 

    The diameter of the Sun is 1.4 x 109 meters long. The diameter of the Moon is 3.5 x 106 meters long. About how many times more significant is the Sun's diameter than the Moon's diameter. Write your answer in scientific notation. example: 108 = 10^8

  • 22. 

    What are the two square roots of 400?

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  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 13, 2016
    Quiz Created by
    Cronin
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