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?
Prerequisites 1
Place value of each digit
理解位值的重要性可与罗马数字系统形成对比
Unlocks 1
Roman numerals to 1000