Roman numerals from 1 to 100 on one page, a large-print chart for 1 to 20, and a symbols-and-rules chart that reaches 1,000. Blank versions of the two charts are there to fill in, and four worksheets with answer keys cover reading numerals, writing them, clocks and years. Everything prints in black and white.
Every number from 1 to 100 with its Roman numeral, ten to a row so the pattern in each column is easy to see.
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The first twenty numerals in large type. A good first chart, and big enough for a wall.
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The seven letters, the ones, tens and hundreds, the three rules, and one number built step by step.
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The numbers 1 to 100 with an empty box under each. The filled chart is the answer key.
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Twenty numbers with a line beside each to write the numeral.
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Twenty-four numerals to read, from III to MMXXVI. The columns get harder from left to right. Includes answer key.
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Twenty-four numbers to write as Roman numerals, from 2 to 2,000. Includes answer key.
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Six clock faces with Roman numerals. Students write each time, then say what five of the numerals stand for. Includes answer key.
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Six famous years to read, six years to write, and the year you were born. Includes answer key.
Download PDFRoman numerals use seven letters: I is 1, V is 5, X is 10, L is 50, C is 100, D is 500 and M is 1,000. Every other number is made by putting those letters side by side. There is no zero and no place value, which is why 38 takes seven letters (XXXVIII) and 40 takes two (XL).
Two rules do most of the work. When a numeral is followed by one that is the same size or smaller, add: VI is 5 + 1, and LX is 50 + 10. When a smaller numeral comes just before a bigger one, subtract: IV is 5 − 1, and XC is 100 − 10. Only six pairs subtract: IV (4), IX (9), XL (40), XC (90), CD (400) and CM (900).
The 1-100 chart is laid out ten to a row, like a hundreds chart. Read down a column and the ending stays the same while the tens change. Read across a row and the tens stay the same while the ones count up. Students who notice this stop memorizing and start building numerals from two parts.
To write a larger number, split it into thousands, hundreds, tens and ones and write each part in turn. For 1,987 that is M, then CM, then LXXX, then VII: MCMLXXXVII. The symbols and rules chart shows this, with the ones, tens and hundreds listed side by side.
The four worksheets start with numerals up to 20 and work up past 1,000. The clock sheet pairs well with the telling time worksheets, and the hundreds chart and place value chart are useful for comparing the two number systems.