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Grade 2 Addition Facts within 20 Worksheet with Answers

Grade 2 (US) · Year 3 (UK) · Class 2 (India) · Math

Unit 2: Addition & Subtraction FactsFact Fluency within 20CCSS 2.OA.B.2

Addition facts with totals up to 20, including adding across ten. This free early elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Addition Facts within 20

Grade 2 · Math

Score___ / 12

Name

Class

Date

Learning goal: Fact Fluency within 20 · CCSS 2.OA.B.2

Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.

Example

2 + 3 = ?

Answer: 5

  1. 1

    6 + 10 = ?

    +
    Answer
  2. 2

    7 + 6 = ?

    +
    Answer
  3. 3

    8 + 6 = ?

    +
    Answer
  4. 4

    6 + 6 = ?

    +
    Answer
  5. 5

    12 + 5 = ?

    Answer
  6. 6

    5 + 10 = ?

    +
    Answer
  7. 7

    5 + 9 = ?

    +
    Answer
  8. 8

    3 + 14 = ?

    Answer
  9. 9

    12 + 1 = ?

    Answer
  10. 10

    3 + 7 = ?

    +
    Answer
  11. 11

    16 + 2 = ?

    Answer
  12. 12

    2 + 13 = ?

    Answer

★ Challenge corner for fast finishers

Find the missing digit: 751 - 298 = 4□3

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/2/add_within_20

Answer key (click to show)
  1. 1.16
  2. 2.13
  3. 3.14
  4. 4.12
  5. 5.17
  6. 6.15
  7. 7.14
  8. 8.17
  9. 9.13
  10. 10.10
  11. 11.18
  12. 12.15
  13. ★5 (challenge corner)

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How to use this worksheet

  • Keep it short: a few questions at a time works better than a whole page at once for young learners.
  • Read the questions aloud together if your child is still building reading confidence.
  • Check the answers straight after, while the thinking is still fresh, and praise effort as well as results.

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Addition Facts within 20 at other grades

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Guides for teaching Addition Facts within 20

How to Teach Kids to Tell Time: A Step-by-Step PlanStart with the hour hand, then half hours, five minutes, single minutes and elapsed time — the order that makes analog clocks click, plus games and common mix-ups.How to Help Your Child with Math Homework (Without Doing It for Them)Questions to ask instead of answers to give, what to do when the school's method looks different from yours, and how to handle frustration.How to Solve Math Word Problems: A 4-Step MethodRead, plan, solve, check — a simple routine for any word problem, with worked examples and the keyword trap to avoid.

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Does this Grade 2 Addition Facts within 20 worksheet come with answers?

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