Counting By Ones Worksheet
A counting by ones worksheet for 1st Grade, with five number sequences to complete and four before-and-after cards using numbers to 115. Answer key included, so counting on becomes automatic.
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About this resource
Description
Counting by ones sounds like the simplest thing a first grader does, until the numbers get past twenty and the pattern has to survive a decade change. A child who can rattle off “sixty-eight, sixty-nine…” often stalls at seventy, and the same child stalls again at one hundred. This counting by ones worksheet takes the counting sequence off the wall chart and puts it in the child’s own pencil: five short number lines with numerals missing from the middle, so the only way through is to count forward from a number that is not one. That is the first-grade standard exactly — count to 120 starting at any number, and read and write those numerals.
The page works in two parts. Part A gives five sequences of seven numbers with four boxes empty in each, and the blanks never sit in the same places twice, so a child cannot fall into a rhythm and fill them without reading. Part B turns the same skill around: a number sits in the middle of each card and the child writes the one just before it and the one just after it. Working backward by one is the harder half of counting, and it is what makes this first grade counting worksheet more than a recitation drill. Twenty-eight numerals get written in all, several of them three digits long.
What’s Included
- One printable page with five count-by-ones sequences, four missing numbers in each
- Four before-and-after cards, each with a number in the middle and a box on both sides
- Numbers ranging from 34 to 115, so the sequences cross several decade changes
- A name and date line at the top of the page
- A complete answer key with all twenty-eight numbers filled in
Three Reasons This Helps Kids
- Starting a sequence in the middle forces real counting on from a given number, which is the skill the standard names — reciting from one does not test it.
- The before-and-after cards build the backward count, the half most children never practice, and they do it one number at a time so nobody gets lost.
- Writing the numerals rather than saying them catches the reversals and the missing digits that only show up on paper.
Ideas for Teachers and Parents
This counting by ones worksheet works as morning work, as a math-center task, or as a quick check before a unit test. Read the first sequence aloud together before anyone writes, pointing at each box and saying “what comes next?” so the child hears the pattern once. Keep a hundred chart nearby for the first two items and then put it away — the goal is counting from memory, not looking up. If a child stalls at a decade change, stop and count that one crossing out loud three or four times before moving on; the wall is almost always sixty-nine to seventy or one hundred nine to one hundred ten. For a quick follow-up, name any number under 120 and ask for the one before and the one after it, back and forth, as a two-minute line-up game. Early finishers can turn the paper over and keep counting from 115 as far as they can go.
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