Massachusetts Common Core Standards
MA.CC.L.1. Language Standards Pre-K-5
Vocabulary Acquisition and Use
L.1.5. With guidance and support from adults, demonstrate understanding of word relationships and nuances in word meanings.
L.1.5.a. Sort words into categories (e.g., colors, clothing) to gain a sense of the concepts the categories represent.
L.1.5.b. Define words by category and by one or more key attributes (e.g., a duck is a bird that swims; a tiger is a large cat with stripes).