R-Controlled Vowels Decodable Word Problem Worksheet — Addition Within 20 — #12

R-Controlled Vowels word problem #12. 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. Supports CGI/CRA word problem instruction and gives students a structured routine for tackling math word problems.