Missing Numbers 1–20 Worksheets | Preschool Math Activities

Help children practice counting and number order with these fun number train worksheets. Children fill in the missing numbers up to 20 to complete each train. After finishing the numbers, they can color the train and wagons however they like.

These worksheets are great for preschool and kindergarten children who are learning to count and put numbers in the correct order. They can be used at school or at home for extra math practice.

What’s Included

• 100 printable worksheets

• Missing numbers practice up to 20

• Number train activities

• Trains and wagons to color

• Printable PDF file

• No answer key included

Skills Children Will Practice

• Counting to 20

• Number recognition

• Number sequencing

• Number order

• Pencil control

• Creativity and coloring

Perfect For

• Preschool

• Pre-K

• Kindergarten

• Math centers

• Classroom activities

• Morning work

• Homework

• Homeschool lessons

• Extra practice at home

Print the worksheets and let children fill in the missing numbers before coloring their trains. These no-prep pages are easy to use for everyday math practice.