Mixed Fill-Ins Answer Key

Promote deeper phonics understanding with this diphthong fill-in worksheet. Students use clues to determine whether oi, oy, ou, or ow completes each word, combining vocabulary knowledge, context analysis, and spelling skills.

Key Learning Objectives
• Skill Focus: Applying diphthongs correctly within partially completed words
• Critical Thinking Benefit: Encourages analysis of clues, structure, and meaning
• Curriculum Tie-In: Supports spelling, encoding, phonics application, and vocabulary growth
• Application Type: Context-driven word completion

Teacher & Parent Features
• Reinforces correct diphthong spelling through writing
• Builds pronunciation and decoding accuracy
• Encourages thoughtful word analysis
• Ideal for literacy centers, intervention, or homework

This printable diphthong worksheet helps students strengthen spelling accuracy and phonics application through meaningful word-building practice.

This worksheet is part of our Vowel Diphthongs Worksheets collection.