Kindergarten · Math · Counting

Kindergarten Count to 100 by Ones worksheets

6 printable versionsOn LevelAbout 4 minutes eachFree · no account

When it’s done, scan the sheet with your phone and PencilGo marks it and picks the next one. Create a free account

★

Tired of searching for worksheets?

We’ll email one free Kindergarten worksheet every school day. Your child does it on paper. No account needed.

Version

Count to 100 by Ones

Kindergarten Math Worksheet

NameDate

Count by ones. Write the missing number.

Kindergarten Count to 100 by Ones worksheet 1 – printable PDF — Download PDF: 1 2 3 4 5 6

About this worksheet

Counting to 100 is a big goal for kindergarten, and the hard part is the bridges between decades, where twenty-nine becomes thirty and sixty-nine becomes seventy. Children who have counted to 20 many times can often stall at these changes, because the pattern of the number names changes. On this page every item is a short row of number cards counting up by ones, such as 47, 48, 49, 50, 51, with one card left empty, and the child writes the missing number straight into the card.

The empty card can be anywhere in the row, so the child cannot always rely on counting forward from the first card. Support sheets stay within 30, standard sheets reach 60 and challenge sheets reach 100. Say the row out loud, then check by saying it again with the missing number put in.

What your child will learn

Count forward by ones within 100
Find a missing number in a row
Cross from one decade into the next
Write two-digit numbers

Common Core standard: K.CC.A.1

Worked example

The cards show 48, 49, an empty card, 51, 52. After 49 comes 50, so write 50.

Common mistake

Going from 49 to 40 instead of 50, because the tens digit does not change.

Helpful hint

Say the numbers out loud, and listen for the one that is missing.

Next skill: Count to 100 by Tens Earlier: Teen Number Missing Parts

Questions parents ask

What is the most common mistake with count to 100 by ones?

Going from 49 to 40 instead of 50, because the tens digit does not change.

How can I help my child with count to 100 by ones?

Say the numbers out loud, and listen for the one that is missing.

Are these kindergarten math worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

More kindergarten counting

See all counting

Every sheet you scan goes into your child’s record: dated, marked and ready for the year-end portfolio. Homeschool records