R-Controlled Vowels Editable Decodable Word Problem Slide — Subtraction Within 20 — #59

R-Controlled Vowels word problem slide #59, PowerPoint format. Customize numbers or story context while preserving the r-controlled vowel (ar, or, er, ir, ur) phonics focus. Use as a daily math warm-up, a small-group mini-lesson, or a digital center for independent practice.