Online worksheet · 2 of 4

Another way to record numbers - Online practice 2

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Roman-number card: read XCIX and write 54. Key: I=1, V=5, X=10, L=50, C=100. Standard subtractive pairs here are IV=4, IX=9, XL=40 and XC=90. Other ordered groups add. For example, LXII is 50 + 10 + 2. There is no ordinary zero placeholder in this system.

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