R-Controlled Vowels Decodable Word Problem Worksheet — Subtraction Within 20 — #36

R-Controlled Vowels word problem #36. Students decode r-controlled vowel (ar, or, er, ir, ur) words, plan their work in the organizer boxes, then model the math on the 0–20 number line and ten-frame. Builds subtraction fluency within 20 and reinforces r-controlled vowel (ar, or, er, ir, ur) decoding in the same activity.