Fill-in Plural Forms

This worksheet is designed for students in Grades 5 and 6 who are developing accuracy with advanced plural noun forms used in academic reading and writing. By completing a chart with correct plural forms for words like basis, datum, genus, and criterion, learners apply grammatical reasoning, spelling knowledge, and morphological awareness to nouns derived from Latin, Greek, and French origins.

Skills Reinforced

• Irregular Noun Plurals (Grades 5-6)
  Builds accurate understanding of nonstandard pluralization patterns beyond basic -s and -es rules.
• Word Structure and Morphology
  Helps students recognize how classical roots and endings change to signal number and meaning.
• Vocabulary and Spelling Accuracy
  Strengthens correct spelling of academic nouns commonly found in science, math, and formal texts.
• Academic Language Development
  Supports precise grammar usage needed for higher-level reading, writing, and content-area learning.

Instructional Benefits

• Teacher-Created Resource
  Designed by educators to align with upper-elementary grammar and academic vocabulary standards.
• Chart-Based Organization
  Clearly presents singular and plural forms for easy comparison and pattern recognition.
• Supports Pattern Recognition
  Encourages students to notice consistent pluralization rules across related word families.
• Flexible Classroom Use
  Ideal for grammar lessons, enrichment, assessment, small groups, or homeschool instruction.

This printable grammar worksheet helps students master complex plural noun forms by actively completing a structured chart. It strengthens grammatical precision, spelling confidence, morphological awareness, and academic vocabulary skills essential for success across subjects. Suitable for classroom or homeschool use, it’s a no-prep resource that supports confident, accurate use of advanced plural forms in written English.

This worksheet is part of our Irregular Plural Nouns collection.