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Numbers 1-20 Worksheets for Number Sense

Students practice recognizing, writing and representing numbers from 1 to 20. Use the worksheet pages to connect numerals with counting models such as ten frames and number lines.
Grades
Pre-K–1
Pages
21
File type
PDF
Preparation
Print ready

Updated Sep 18, 2026

Subject
Math, Numbers, Early Math
Topic
Numbers 1 to 20, Number sense
Resource types
Worksheets
Preparation
Print ready
Standards
K.CC.A.3

Product description

From the author

These number practice printables are a fun way to help your students practice learning all about numbers and practice building number sense while identifying, writing, and counting numbers to 20.

These number sense worksheets are a great way to help students with number recognition, number on a line, ten frame, and blocks. 
Included are 20 pages of number activities.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Connect numerals from 1–20 with quantities and counting models.

Teaching tips

  • Model one number with objects before using its worksheet representations.

Skills covered

  • Numeral recognition, number writing and counting.

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Curriculum

Standards, concepts & topics

Standards

  • K.CC.A.3

Core concepts

  • Numbers 1–20; quantity; number representations.

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