Free Missing Number Worksheets

Add us as a preferred source on Google »

Missing numbers worksheets for kindergarten are such a simple but effective way to help kids build confidence with counting and number order.

This free set includes four themed worksheets where children fill in the missing numbers from 1 to 20 while coloring frogs, apples, raindrops, and chickens along the way.

Missing numbers worksheets for kindergarten with four printable 1-20 counting activities featuring frogs, apples, raindrops, and chickens.

**This post may contain affiliate links. As an Amazon Associate and a participant in other affiliate programs, I earn a commission on qualifying purchases.**

Missing Numbers Worksheet 1-20

This free set includes four fun missing numbers worksheets for kindergarten that help kids practice counting from 1 to 20 through playful, hands-on activities.

Each printable features a different theme, keeping kids engaged while they practice number order, number recognition, and sequencing.

Chickens and eggs for odd numbers
Raindrops and clouds for even numbers
Apples on a tree and frogs on lily pads for random skip counting

Once the numbers are filled in, kids can color each page for extra fine motor practice. These worksheets pair perfectly with our free number tracing 1–20 printables for even more early math fun.

Missing numbers worksheet 1-20 with frog and lily pad theme for kindergarten number recognition and counting practice.

Why Fill in the Missing Number Worksheets Work So Well

These missing number worksheets do more than help kids count from 1 to 20. They build number recognition, sequencing, and confidence with early math concepts.

By filling in what’s missing, children begin to see number patterns and understand how numbers fit together, skills that prepare them for addition and subtraction later on.

Teachers and parents can also use these pages to check how comfortably kids can count to 20 and spot where extra practice might help.

Printable missing numbers 1-20 worksheets for kindergarten with apple, frog, chicken, and raindrop counting activities.

More Missing Numbers Activities

Once kids get comfortable filling in missing numbers, it’s a great time to reinforce those same skills in different ways. In our homeschool, we found that mixing printable worksheets with hands-on activities kept math feeling fresh and fun.

Use counting bears, linking cubes, LEGO bricks, or magnetic tiles to recreate the number sequences from the worksheets. Ask your child to spot the missing number, put numbers in order, or create their own counting patterns for someone else to solve.

You can also bring math into playtime with simple number board games such as Hi Ho! Cherry-O or Sum Swamp, which naturally encourage counting and number recognition.

Fill in the missing numbers 1-20 worksheet with raindrops for kindergarten counting and number sequencing practice.

You can also keep the practice going with our number tracing 1–10 worksheets and counting worksheets. Revisiting the same skills through different activities helps children build confidence with number recognition, sequencing, and counting to 20.