Number Sense 1-20 Math Worksheets

Counting is as easy as 1, 2, 3! Build a rock-solid foundation in math with this comprehensive “Number Sense 1-20” packet.

Designed for Pre-K and Kindergarten, this resource moves beyond simple rote counting. It helps students master one-to-one correspondence and understand the true value of numbers. Whether you are tackling the “tricky teens” (11-20) or reinforcing basic counting, these No-Prep worksheets are perfect for your Back to School math centers!

STAR FEATURE: Mastering the “Tricky Teens”!
Teen numbers (11-20) can be challenging for little learners. This packet includes dedicated practice for numbers 11-20 to ensure students build confidence with double-digit number formation and value.

WHAT’S INSIDE? (10 No-Prep Pages)

• Writing Numbers 1-10: Tracing and writing with clear visual cues for formation.
• Writing Numbers 11-20: Focused practice on the “Tricky Teens.”
• Ten Frame Match: Visualizing numbers using dot patterns.
• Cookie Jar Math: A fun cut-and-paste activity to match quantity to numerals.
• Number Caterpillar: Missing number sequences to master 1-20 order.
• Count and Color: Identifying a number and coloring the correct quantity.
• How Many Fingers?: A tactile counting activity using finger images.
• More or Less?: An introduction to comparing groups and basic logic.
• Rocket Dot-to-Dot: A high-engagement activity to reveal a space-themed picture.
• Cover Page: A vibrant math-themed coloring page for student folders.

SKILLS COVERED:

• Math: Number recognition, counting to 20, and one-to-one correspondence.
• Handwriting: Proper number formation and pencil control.
• Logic: Comparing sets (More/Less) and number sequencing.

Perfect for: Back to School Math Centers, Number of the Week, Intervention, Morning Work, or Homework.

Ready to count? Add this Number Sense packet to your cart and make math the highlight of your day!