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Math Grade 4-5 Answer Key

Math: Roman Numeral Values Practice

Reading, writing, and comparing Roman numerals

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Math: Roman Numeral Values Practice

Reading, writing, and comparing Roman numerals

Math - Grade 4-5

Instructions: Read each problem carefully. Use the Roman numeral values I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, and M = 1000. Show your work in the space provided.
  1. 1

    What number does the Roman numeral VIII represent?

    When smaller symbols come after a larger symbol, add their values.

    VIII represents 8 because V is 5 and three I symbols add 3 more.
  2. 2

    What number does the Roman numeral XIV represent?

    I before V means subtract 1 from 5.

    XIV represents 14 because X is 10 and IV is 4.
  3. 3

    Write the number 19 as a Roman numeral.

    The number 19 is written as XIX because X is 10 and IX is 9.
  4. 4

    Circle the larger value: XL or LX. Explain how you know.

    Look at whether X comes before or after L.

    LX is larger because it equals 60, while XL equals 40. In XL, X before L means subtract 10 from 50.
  5. 5

    What number does the Roman numeral XXVII represent?

    XXVII represents 27 because XX is 20, V is 5, and II is 2.
  6. 6

    Write the number 44 as a Roman numeral.

    Break 44 into 40 and 4.

    The number 44 is written as XLIV because XL is 40 and IV is 4.
  7. 7

    A clock shows the Roman numeral XII at the top. What number is XII?

    XII represents 12 because X is 10 and II is 2.
  8. 8

    Find the value of LXXX.

    Add 50 plus 10 plus 10 plus 10.

    LXXX represents 80 because L is 50 and three X symbols add 30 more.
  9. 9

    Write the number 90 as a Roman numeral.

    The number 90 is written as XC because X before C means subtract 10 from 100.
  10. 10

    Put these Roman numerals in order from least to greatest: IX, VI, XII, IV.

    First write the number value of each Roman numeral.

    The numerals in order from least to greatest are IV, VI, IX, XII because their values are 4, 6, 9, and 12.
  11. 11

    What number does the Roman numeral CXL represent?

    Separate the numeral into C and XL.

    CXL represents 140 because C is 100 and XL is 40.
  12. 12

    Write the year 2024 in Roman numerals.

    The year 2024 is written as MMXXIV because MM is 2000, XX is 20, and IV is 4.
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