Counting to 20 extends counting skills through the teen numbers (11–19) and to 20. Teen numbers are particularly challenging in English because their names are irregular (eleven, twelve, thirteen) unlike the predictable pattern of later decades. Mastering counting to 20 is a key kindergarten readiness milestone.
Numbers 11–19 are irregular in English. Practice each teen number separately with its quantity before expecting fluent counting through them.
A 2x10 grid (twenty frame) helps children see teen numbers as "10 and some more." 14 is a full row of 10 plus 4 more.
Practice counting forward to 20 and backward from 20. Both directions build number sense and prepare for subtraction.
Count 15 cheerios, 18 steps to the car, 20 jumps. Real counting contexts make abstract numbers meaningful.
Short, structured daily lessons designed for ages 4–5.
Start Free LessonDownload a printable practice sheet for counting to 20.