Free CCSS Worksheets by Subject & Grade
Browse CCSS standards by subject and grade, each with a real educator-created lesson sample.
CCSS standards are the baseline most U.S. states use for what students learn each year in core subjects.
Browse by subject below to reach grade-by-grade standards, each explained in plain English with a matching sample lesson.
What are academic standards?
Academic standards define what students should know and do at each grade level in a subject, set by state or national education agencies.
Are these worksheets free?
Yes. Every published standard here includes a free viewable lesson sample, and many also include a free printable worksheet PDF with an answer key.
What grades does Kaizly cover?
Kaizly currently publishes standards pages for grades 3 through 8, the age range our AI-generated lessons and practice activities are built and reviewed for.
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