Count and Write to 15 is a free printable Kindergarten math worksheet on cardinality with sets from six to fifteen, aligned to Common Core standard K.CC.B.4. It prints 6 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
K.CC.B.4
Count the shapes. Write how many.
LessonPrint · K.CC.B.4 · Set 1 · free to copy for classroom use
Set 1. Prints on its own sheet.
It practices cardinality with sets from six to fifteen — 6 questions for Kindergarten, all on Common Core K.CC.B.4: Know that the last number you say when counting tells you how many there are. The instruction to students is “Count the shapes. Write how many”, and the answer key follows on the next sheet.
CCSS.MATH.CONTENT.K.CC.B.4 — K.CC.B.4, under Counting & Cardinality for Kindergarten. The published standard reads: “Understand the relationship between numbers and quantities; connect counting to cardinality.” The worksheet assesses that standard rather than a paraphrase of it.
Count and Write to 15 is written for Kindergarten, typically ages 5-6. It is one of the sheets on K.CC.B.4, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.
Yes. All 6 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.
25 — one per student, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.
Yes. Count and Write to 15, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.
Yes — “Counting Tells You How Many” is a 30-minute Kindergarten plan for K.CC.B.4, timed section by section, with the misconceptions to expect and an exit ticket. Count and Write to 15 is the practice that follows it.
Know that the last number you say when counting tells you how many there are.
Teaching this next? Counting Tells You How Many is the 30-minute plan for it, with the misconceptions to expect.
Last reviewed 2026-09-05. Aligned to K.CC.B.4 of the Common Core State Standards for Mathematics.