Mathematics Number Representation & Place Value Conceptual 8–9 yrs

Roman numerals to 100

100以内的罗马数字

Description

Read Roman numerals to 100 (I to C) and understand that the numeral system changed over time to include zero and place value

Mastery Evidence
  • Read and write Roman numerals I, V, X, L, C and combinations up to 100
  • Convert between Roman numerals and Hindu-Arabic numerals (e.g. XLIV = 44)
  • Explain that Roman numerals have no zero and no place-value system
Assessment Prompt

Can your child read Roman numerals like XIV (14) or XLII (42) — and do they know why we stopped using Roman numerals for most things once zero and place value were invented?