Grade 1 Addition within 20 CCSS.Math.1.OA

Number-line addition: Practice Worksheet

A free printable addition within 20 page for Grade 1 students, built around Number-line addition.

Number-line addition: Practice Worksheet

Grade 1 · Addition within 20 · CCSS.Math.1.OA

  1. On a number line, start at 10 and jump forward 4. Land on: ___
  2. On a number line, start at 10 and jump forward 2. Land on: ___
  3. On a number line, start at 9 and jump forward 5. Land on: ___
  4. On a number line, start at 2 and jump forward 1. Land on: ___
  5. On a number line, start at 9 and jump forward 3. Land on: ___
  6. On a number line, start at 6 and jump forward 8. Land on: ___

This is the preview. Hit "Print this worksheet" above to open a clean, ad-free, one-page version with name and date lines and writing space for each problem. A separate answer key prints on the second page for the grown-up. Tear it off before handing the practice page to your child.

Help students build fluency with Number-line addition using this Grade 1 printable from our Addition within 20 series. Aligned to CCSS.Math.1.OA, the page mixes routine computation, short word problems, and visual models so kids see the same idea from multiple angles.

Because the worksheet is designed for independent practice, the directions are written in friendly student language and avoid teacher-only jargon. Students who get stuck should slow down on the first problem, talk through what the question is actually asking, and only then pick up the pencil. Reading errors disguise themselves as math errors all the time at this age.

This page works well as morning math, as a center rotation, as a short homework assignment, or as a quick formative check before a quiz. The same one-page format also makes it easy to keep a small folder of completed work as evidence for parent–teacher conferences.

Want a different angle on this skill? Try the matching variants in our Grade 1 · Addition within 20 collection, or jump up to the cross-grade Addition within 20 hub.

Parents tell us the most useful thing about this Number-line addition page is how fast they can hand it to a kid. No login. No PDF locked behind an email gate. Click print, hand it over, get ten quiet minutes of real math practice without prepping anything.

This worksheet is aligned to Common Core State Standard CCSS.Math.1.OA and supports the broader Addition within 20 progression that students continue to build through later grades. The same skill is revisited each year with greater abstraction, so the work your student does on this single sheet feeds into the multi-digit and multi-step problems they will see in middle school.

If your student finishes this Number-line addition page quickly and easily, take a look at the next printable in the Addition within 20 series. The difficulty climbs gradually so kids meet a stretch problem without getting overwhelmed.

Sample problems on this worksheet

  1. On a number line, start at 10 and jump forward 4. Land on: ___
  2. On a number line, start at 10 and jump forward 2. Land on: ___
  3. On a number line, start at 9 and jump forward 5. Land on: ___
  4. On a number line, start at 2 and jump forward 1. Land on: ___
  5. On a number line, start at 9 and jump forward 3. Land on: ___
  6. On a number line, start at 6 and jump forward 8. Land on: ___

How to use this worksheet

Print one copy per child on standard letter or A4 paper. Set a quiet 10 to 15 minute window. Hand your student a sharpened pencil and an eraser, and let them work top to bottom. The first row is a warm-up on purpose. The last row is a stretch on purpose. Sit with them as they finish so any misconceptions surface right away instead of getting practiced into a bad habit.

If your student finishes quickly, flip the page over and ask them to write two new problems of their own that target the same skill. It's a powerful retention move. If they get stuck, pull out manipulatives that match the skill (counters for early addition, base-ten blocks for place value, fraction tiles for fractions) and work through one or two problems together before letting them try the rest on their own.

Common Core alignment

This page targets CCSS.Math.1.OA inside the broader Addition within 20 progression. The skill is introduced earlier in elementary school through concrete representations and revisited each year with greater abstraction. To see how it develops across grade levels, visit our Addition within 20 hub. To see the rest of the Grade 1 work in this strand, visit the Grade 1 · Addition within 20 collection.

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