Dot One Less Star
Written by Adi Ackerman, Head Teacher
"Dot One Less Star" is written for Preschool (Ages 3-5). Children who are new to this can work with a grown-up beside them, and the instructions are meant to be read aloud. Older children who need more practice with one more and one less can use it as a short review.


Preschool math worksheet: count the stars in each night sky and stamp one less star with a dot marker. Part of our one more and one less number order collection.
How do I use this worksheet?
Read the Instructions aloud and act out the Example with real objects first. Ask 'how many now?' after each change, and use the 'one more' pages before the 'one less' pages.
What students will practice
- Students will count the stars in each night sky picture.
- Students will find the number that is one less than the stars.
- Students will stamp that many dots in the white box with a dot marker.
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FAQ
How do I use this one more and one less worksheet?
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Read the Instructions aloud and act out the Example with real objects first. Ask 'how many now?' after each change, and use the 'one more' pages before the 'one less' pages.
What does this worksheet teach?
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Count the stars in each night sky and stamp one less star with a dot marker. The directions on the page read: Count the stars in the night sky. Use a dot marker to dot one less star in the white box next to it. The page opens with a worked example.
Can I use this one more and one less worksheet for homeschool or classroom?
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Yes, both. We made it for Preschool number order, 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 one more and one less. In class it runs well as independent work while you pull a small group. Print one copy or thirty, whichever the day needs.
How many Preschool one more and one less worksheets are there?
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18 printable worksheets, all free to preview. Downloads are included with a ClassWeekly free trial, and every page prints on standard 8.5 x 11 paper.
What age are one more and one less worksheets for?
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These are written for preschool children, roughly ages 3-5. Start with the first few pages, use the free preview to judge the fit, and come back to harder ones as your child gets steadier.
Does my child need to know how to write for these one more and one less worksheets?
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No. Most pages ask children to circle, trace, match, color, or cut and paste, and a few ask for a single number. A grown-up can read the instructions aloud, so children do not need to read yet.
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Worksheet Details
| Grade | Preschool |
| Subject | Math |
| Topic | Number Order |
| Pages | 1 page |
| Difficulty | Medium |
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ClassWeekly offers free worksheets and printable learning resources for kids, from preschool up. Preschool worksheets build early math, reading, writing, science, and social studies skills for ages 3-5 and are designed by educators. Become a member to access the full library and download unlimited PDFs.







