Before, After and Between Numbers to 120 Worksheets for 1st Grade

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Grade 1MathCounting & Number SenseCCSS 1.NBT.A.1

Skill: Writing the number that comes just before, just after or between numbers up to 120

Preview of the Before, After and Between Numbers to 120 printable worksheet
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Teaching tips and what to try next

Works well for first graders who can count to 120 but still pause when a number sits next to a new ten. Walking a finger along a hundred chart, one square back and one square forward, gives children a picture to lean on. Pair it with 10 More and 10 Less once single steps feel easy, or revisit Hundred Chart: Fill In the Missing Numbers 1-100 for children who need a smaller range first.

10 versions, each with its own answer key

Same skill and layout, a fresh set of problems in every version, so children can keep practicing without repeating a page. Problems are not repeated between versions unless a skill has only a small number of possible problems (for example, the addition facts within 10).

Download all 10 versions (one PDF)All 10 answer keys (PDF)

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About this worksheet

Knowing which number comes just before or just after another is a quiet but important part of counting. First graders are expected to count to 120 starting from any number, and that means knowing that 39 comes before 40 and that 110 comes after 109 without starting over from 1. This first-grade worksheet practices numbers before, after and between, up to 120.

The page has three parts with six rows each. In the Before part, children see a number in a box and write the number that comes just before it. In the After part, they write the number that comes just after. In the Between part, two numbers sit on either side of an empty box, and children write the number that goes in the middle. One row in each part crosses into a new ten, such as the number before 70 or the number after 99, since those are the ones children most often get wrong. Each of the ten versions has new numbers and its own answer key.

How to use it: say each row out loud as a little counting chant, such as "68, 69, 70." For before, remind your child that the number just before is one less, and for after, one more. If a row crosses a ten, ask what happens to the ones digit after 9. A hundred chart on the table helps with checking.

The answer key gives every missing number. For longer runs, try our Missing Numbers to 120 worksheet. To count back, try our Counting Backward Within 120 worksheet.