Click to enlarge
Introduction
Share the Headline Story with the class. Encourage students to picture the pencils and describe them.
Headline Story
Karen has 60 pencils. Some are blue and the rest are green. What can you say?
Possible student responses
- Karen might have 59 blue pencils and 1 green pencil.
- She might have 30 pencils of each color.
- She might have more green pencils than blue pencils.
- She has at least one pencil of each color.
- If she has an odd number of one color, she has an odd number of the other color, too.