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Junior · Grades 1-3Addition

Grade 1 Addition Within 20 Worksheets

Use these Grade 1 addition within 20 worksheets to help students practice addition within 20 with printable problems and an answer key. Choose a ready-made worksheet or generate a new printable worksheet with an answer key.

Kid-friendly worksheetCurriculum alignedSkill-focused
Grade 1Addition
Name: ____________________Date: __________

Addition Within 20

Find the answer. Show your work where needed.

  1. 36 + 27 = ____
  2. Write 9,021 in words. ____________________
  3. Write five thousand, six hundred twelve in numerals. ______
  4. Circle the number with 7 thousands.

Worksheet library

Ready-made addition within 20 worksheets

Download a ready-made worksheet, preview it first, or generate a fresh version with the same topic and settings.

Grade 1Addition
Name: ____________________Date: __________

Grade 1 Addition Within 20 Worksheet 1

Find the answer. Show your work where needed.

  1. 47 + 28 = ____
  2. 58 + 16 = ____
  3. 71 + 29 = ____
Grade 1Addition

Grade 1 Addition Within 20 Worksheet 1

12 questions - 2 pages - Easy

Answer key included

Grade 1 Addition Within 20 Worksheet 1 gives students focused addition practice with 12 printable questions and a separate answer key.

Skill: Addition Within 20

Grade 1Addition
Name: ____________________Date: __________

Grade 1 Addition Within 20 Worksheet 2

Find the answer. Show your work where needed.

  1. 47 + 28 = ____
  2. 58 + 16 = ____
  3. 71 + 29 = ____
Grade 1Addition

Grade 1 Addition Within 20 Worksheet 2

16 questions - 2 pages - Medium

Answer key included

Grade 1 Addition Within 20 Worksheet 2 gives students focused addition practice with 16 printable questions.

Skill: Addition Within 20

Grade 1Addition
Name: ____________________Date: __________

Grade 1 Addition Within 20 Worksheet 3

Find the answer. Show your work where needed.

  1. 47 + 28 = ____
  2. 58 + 16 = ____
  3. 71 + 29 = ____
Grade 1Addition

Grade 1 Addition Within 20 Worksheet 3

16 questions - 2 pages - Medium

Answer key included

Grade 1 Addition Within 20 Worksheet 3 gives students focused addition practice with 16 printable questions and a separate answer key.

Skill: Addition Within 20

Grade 1Addition
Name: ____________________Date: __________

Grade 1 Addition Within 20 Worksheet 4

Find the answer. Show your work where needed.

  1. 47 + 28 = ____
  2. 58 + 16 = ____
  3. 71 + 29 = ____
Grade 1Addition

Grade 1 Addition Within 20 Worksheet 4

20 questions - 3 pages - Hard

Answer key included

Grade 1 Addition Within 20 Worksheet 4 gives students focused addition practice with 20 printable questions.

Skill: Addition Within 20

Grade 1Generator

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Sample question

36 + 27 = ____

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Ready to generate Grade 1 Addition Within 20 worksheet.

  • Grade 1
  • Addition
  • Addition Within 20
  • 10 questions - Medium
  • Answer key included

Parent tip

How to teach this skill

Start with one worked example from addition, then let your child try a short set independently before checking the answer key together.

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FAQ

Worksheet questions

How do addition within 20 worksheets help?

They give students repeated, focused practice with practice addition within 20 with printable problems and an answer key.

Can I generate a fresh worksheet for this skill?

Yes. The generator on this page is preselected to the closest available Homework Practice skill.

Should my child check answers right away?

Ask your child to complete the worksheet first, then use the answer key together to discuss mistakes.

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