NY Next Generation Math NY-K.CC.5.a
The Standard
Answer counting questions using as many as 20 objects arranged in a line, a rectangular array, and a circle. Answer counting questions using as many as 10 objects in a scattered configuration.
New York State Next Generation Mathematics Learning Standards
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students answer how many for sets arranged in lines, rectangular arrays, circles, and scattered groups. They count up to 20 in organized arrangements and up to 10 when objects are scattered.
What Mastery Looks Like
- The student counts every object once and states the total for each allowed arrangement. The student uses a tracking strategy such as touching, moving, or marking objects.
Common Misconceptions
- Students may count the first object twice when objects form a circle. They may skip or recount scattered objects because there is no clear starting point.
How to Assess It
- Show 18 counters in an array and 9 counters scattered on a page. Ask how many are in each set and watch the student's tracking strategy.
Lesson moves
Ways to Teach It
Arrange counters in a line, array, circle, and scattered group, then have students touch or move each as they count.
Ask students which counting strategy helps most for a circle and why a starting marker matters.
Play counting stations with up to 20 organized objects and up to 10 scattered objects.
Count plates in rows, chairs in a circle, and scattered classroom items using a tracking strategy.
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Printable NY-K.CC.5.a Worksheet
A ready-to-print activity worksheet aligned to NY-K.CC.5.a, with an answer key for the teacher on its own page. No account needed.
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Related Standards
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Given a number from 1–20, count out that many objects.
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Write numbers from 0 to 20. Represent a number of objects with a written numeral 0-20 (with 0 representing a count of no objects).
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