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Missing Numbers 1-20 Worksheet (4 Free Printables)

Get ready for some math fun. Our free missing numbers 1-20 worksheet is here to make learning numbers a blast for kids.

These counting worksheets for toddlers will have your little ones giggling and counting in no time!

From odd and even numbers to water droplets and rain clouds, our interactive themes will make math an adventure they’ll love.

A set of four fun “Missing Numbers 1–20” worksheets designed for young learners, each with a different theme: apples, raindrops, frogs on lily pads, and chickens with eggs. The pages feature numbers filled in and blank spaces for kids to complete the sequences. Displayed on a white surface with small toys and green beads, the bottom of the image includes large black text on a blue background that reads “Missing Numbers 1–20 Worksheet.”

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These preschool through kindergarten worksheets are a really fun way to explore numbers one through twenty.

Grab some colorful crayons, and get the kids to fill in the missing numbers.

What are the benefits of using number worksheets?

Using our missing number worksheets offers several benefits for young learners:

  1. These worksheets help children recognize and identify numbers from 1 to 20. By filling in the numbers missing, kids become familiar with the entire number sequence, enhancing their number recognition skills.
  2. Working on missing numbers printables helps children understand the order of numbers in a sequence. They learn to recognize the pattern and continuity of numbers, which is a crucial skill for building a strong foundation in mathematics.
  3. These worksheets reinforce counting skills as children have to count the numbers before and after to find the correct answer. This hands-on counting practice enhances preschoolers’ ability to count and grasp numerical relationships effectively.
  4. Filling in the missing numbers requires critical thinking and problem-solving skills. Children must analyze the given numbers and find the correct next one, fostering their logical reasoning abilities.
  5. Constant exposure to number sequences helps children develop numerical fluency. They become more confident in recognizing and writing numbers accurately.
  6. Working with number worksheets is a stepping stone to understanding addition, subtraction, and even multiplication and division. As children grasp the concept of number sequencing, they are better prepared for more complex mathematical operations.
  7. They provide an interactive and engaging way for children to learn and practice counting forwards. The challenges presented in the worksheets keep young learners motivated and interested in the learning process.
  8. Teachers and parents can use these worksheets as an assessment tool to gauge a child’s understanding of number sequences. Observing how children complete the missing numbers can provide insights into their progress and areas that may need further reinforcement.
Four colorful “Missing Numbers 1–20” worksheets for kids are laid out on a white surface. Each worksheet has a unique theme: apples on a tree, raindrops under clouds, frogs with lily pads, and chickens with eggs. The sheets are partially completed, and the scene includes playful accents like green beads, blue counting stones, and a small green LEGO figure.

Fill in the missing numbers 1 to 20 worksheet

There are four different missing number worksheets included in this free download. Learning to count to 20 has never been so much fun.

Each of the math worksheets can be colored in when the children have completed the missing numbers.

The first one is missing odd numbers with chickens and eggs.

The second worksheet is missing even numbers with water droplets and rain clouds.

The other 2 involve random skip counting of apples and an apple tree, or frogs and their lily pads.

You will also enjoy these free number tracing 1-20 pdf worksheets.

 A “Missing Numbers 1–20” worksheet with a frog and lily pad theme, partially filled in with green crayon. Each lily pad contains a number, and frogs are holding spaces for the missing numbers. The sheet is set on a white surface with a green beaded necklace, a yellow-green crayon, a box of Crayola crayons, and a small Kermit the Frog LEGO figure nearby.

Discover interactive math for kids!

Certainly! Here are some suggestions for math games, interactive toys, and books that can make learning math fun and engaging for kids:

Math games

Make math enjoyable for kindergartners with our selection of interactive math board games.

These captivating math board games for 5 year olds are designed to reinforce essential math skills while fostering a love for numbers.

From counting to basic addition and subtraction, these board game with numbers offer an entertaining way to enhance mathematical proficiency in young learners.

Interactive toys

  1. Math Manipulatives: Use items like counting bears, linking cubes, base-ten blocks, and pattern blocks to make math concepts tangible and interactive.
  2. Interactive toys like math tablets, counting cash registers, or math game consoles can provide a fun and educational experience.
  3. Building toys like LEGO or magnetic tiles can be used for counting, sorting, and introducing basic geometry concepts.

Math books

  1. Bedtime Math series by Laura Overdeck. Math-related bedtime stories with fun and engaging math problems to solve.
  2. Goodnight, Numbers by Danica McKellar is a charming bedtime book that introduces young readers to the world of numbers through a sweet and soothing story.
  3. Math Fables” by Greg Tang. A collection of math-themed fables that encourage critical thinking and problem-solving.

By incorporating math games, interactive toys, and books into the counting numbers worksheets. Children can develop a positive attitude toward math and find joy in exploring mathematical concepts.

A “Missing Numbers 1–20” worksheet featuring blue raindrops with numbered spaces, some filled in and others left blank for kids to complete. The page is colored with a blue crayon and decorated with translucent blue counting stones on top of the raindrops. A Crayola crayon box, a blue crayon, and shiny blue beads are placed nearby on the white surface.

Grab the free missing numbers 1-20 worksheet here!

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Last Updated on 12 April 2025 by Clare Brown

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