Miss Palomine opens a carton of a dozen eggs. When she counts the eggs she discovers that dozen means twelve. This begins a discussion of twelve—what the number looks like, the amount the number represents, and where twelve appears on a number line.
Miss Palomine opens a carton of a dozen eggs. When she counts the eggs she discovers that dozen means twelve. This begins a discussion of twelve—what the number looks like, the amount the number represents, and where twelve appears on a number line.