Count Scattered Stars to 20 in the Night Sky
Written by Adi Ackerman, Head Teacher
"Count Scattered Stars to 20 in the Night Sky" is written for Kindergarten (Ages 5-6), and it covers Common Core K.CC.B.5. If your little one is a year younger but already steady on counting, the page still works. You may just need to read the instructions out loud. And if they are older and count up to 20 never quite stuck, this is a short review rather than busywork.


Kindergarten math worksheet: count stars, moons and rockets scattered in the night sky and circle each number to 20. Answer key included. Part of our count up to 20 counting collection. Aligned to Common Core standards.
How do I use this worksheet?
Show your child how to cross out or touch each picture as they count it. Count slowly through the teens. Check with the answer key.
What students will practice
- Students will count scattered objects up to 20.
- Students will mark each object as they count so none is missed.
- Students will write or circle the number that tells how many.
Curriculum Links
Common Core State Standards
Counting and Cardinality · Kindergarten
Standard: Count to answer 'how many?' questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration.
View all K.CC.B.5 worksheets →Find this in the curriculum
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FAQ
How do I use this count up to 20 worksheet?
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Show your child how to cross out or touch each picture as they count it. Count slowly through the teens. Check with the answer key.
What does this worksheet teach?
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Count stars, moons and rockets scattered in the night sky and circle each number to 20. The directions on the page read: Find each kind of picture in the night sky. Then, count them. Then, circle the number under its picture. An answer key is included.
Can I use this count up to 20 worksheet for homeschool or classroom?
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Yes, both. We made it for Kindergarten counting, and the page works the same whether it lands on a kitchen table or a center rotation. At home, most families go through it together and talk the answers out loud, and that talking is where most of the learning happens with count up to 20. In class it runs well as independent work while you pull a small group. Print one copy or thirty, whichever the day needs.
Why are teen numbers especially hard for kindergartners?
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Numbers 11-19 are difficult because English number names for teens don't follow a consistent pattern the way numbers 20 and above do. 'Eleven' and 'twelve' give no hint of the digits inside them, unlike 'twenty-one' or 'thirty-two.' Children need extra repetition specifically with the teen numbers.
When do kindergartners learn to count to 20?
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Most kindergarten classrooms target reliable counting to 20 by mid-year. Children who enter kindergarten already counting to 10 typically reach 20 within the first two months of instruction. The focus then shifts to recognizing and writing the teen numerals accurately.
How can parents help children practice counting to 20 at home?
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Count real objects together: crackers at snack time, steps up the stairs, or toys lined up on the floor. When children count physical objects rather than just reciting numbers, they develop stronger one-to-one correspondence and are less likely to skip or double-count in the teens.
When do kindergarteners learn to count to 100?
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Counting to 100 by ones and by tens is the Common Core standard K.CC.A.1, expected by the end of kindergarten. Most students reliably count to 20-30 by midyear, then use skip-counting by tens as a bridge to 100 in the spring.
What is one-to-one correspondence, and why does it matter?
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One-to-one correspondence is touching or pointing to one object for each number word said aloud (CCSS K.CC.B.4), rather than reciting numbers separately from the objects being counted. It's the skill that turns counting from a memorized chant into an understanding of quantity, and it's usually the biggest gap between a child who can count and one who can't yet tell you how many.
How can I tell if my kindergartener needs more counting practice?
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Watch for accurate counting of a small group of objects (10-20) without skipping or double-counting, and whether they can write the numerals 0-20 to match. A child who recites numbers quickly but loses track when actually counting objects needs more one-to-one correspondence practice before moving on to bigger numbers.
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Worksheet Details
| Grade | Kindergarten |
| Subject | Math |
| Topic | Counting |
| Standard | K.CC.B.5 |
| Pages | 1 page |
| Difficulty | Medium |
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