This visual math vocabulary poster and card helps students understand the term period, which means a group of three digits that forms part of a large number. Includes both full-page and half-page formats for your math word wall. Perfect for lessons on place value, reading large numbers, and number structure.
⭐ Definition: a group of three digits that forms part of a large number
Example: In 506,381,204, the digits are divided into periods (millions, thousands, and ones) separated by commas.
What’s Included
• Full-page poster
• Half-page version
