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Grade 2 Subtraction 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

Subtraction facts from teen numbers, including subtracting 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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Subtraction 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

9 - 9 = ?

Answer: 0

1
18 - 9 = ?
Answer
2
14 - 8 = ?
Answer
3
12 - 4 = ?
Answer
4
14 - 6 = ?
Answer
5
13 - 6 = ?
Answer
6
11 - 8 = ?
Answer
7
14 - 9 = ?
Answer
8
17 - 8 = ?
Answer
9
15 - 7 = ?
Answer
10
13 - 7 = ?
Answer
11
12 - 9 = ?
Answer
12
16 - 9 = ?
Answer

★ Challenge corner for fast finishers

I am thinking of a number. If I take away 3, I get 0. What is my number?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/2/sub_within_20

Answer key (click to show)

1.9
2.6
3.8
4.8
5.7
6.3
7.5
8.9
9.8
10.6
11.3
12.7
★3 (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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Guides for teaching Subtraction Facts within 20

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

Yes. The full answer key is on this page, and it prints on its own page after the questions. Every answer is calculated or checked by code rather than written by an AI model, so the key is always correct.

How do I print it or save it as a PDF?

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