FREE CLASSROOM IMAGES · ROMAN NUMERALS

900 in Roman numerals: CM

900 in Roman numerals is CM. See the conversion explained and download a free CM number card for classroom slides and teaching materials.

White number card with CM in large navy letters, 900 below it, and the Roman numeral parts CM.
Original TeachVee diagram · 1600 × 1000 pixels

UNDERSTAND THE IMAGE

900 = CM

CM represents 900. CM use the subtraction rule because a smaller symbol comes before a larger one. Together, the value is 900.

Try it in class

  • Cover 900 on the card and ask learners to read CM.
  • Explain the conversion: CM represents 900. CM use the subtraction rule because a smaller symbol comes before a larger one. Together, the value is 900.
  • Compare two number cards. Which represents the larger number, and how can you tell?

One image, plenty of uses

This is a diagram, not a completed worksheet. Insert the PNG into a slide, resize it in a document, or print it as a teaching visual. Use it in your classroom materials and review it for your learners before use.