Grade 1 Math · Addition Within 20

Grade 1 Addition Within 20 Practice Test

Build addition fluency with five 10-question practice tests covering number bonds, make-a-ten strategies, missing addends, and simple word problems.

Addition Within 20 Practice Tests

These Grade 1 math practice tests help students add within 20 using counting on, number bonds, doubles, make-a-ten strategies, equations, and simple story problems. Each mini test contains 10 multiple-choice questions with answers and explanations.

Skills covered

  • Adding numbers within 10 and within 20
  • Using number bonds and make-a-ten strategies
  • Finding missing addends in equations
  • Recognizing doubles and equivalent sums
  • Solving joining and combining word problems

How to use these practice tests

Complete one 10-question test at a time. Encourage students to draw counters, use a number line, or break an addend apart when a sum is difficult. Open the solution after answering, then explain the strategy before moving to the next test.

For more Grade 1 math practice, return to the Grade 1 Math category.

2. Test

Grade 1 Addition Within 20 Practice Tests

A 10-question Grade 1 practice test on addition within 20, with answers and explanations.

Choose one answer for each question. Open the solution after answering to see the correct answer and explanation.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What is '6 + 5'?

Please select an answer first.

Correct answer: A

The correct answer is 11.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: Start with 6 and count on 5: 7, 8, 9, 10, 11.
  3. Check the total: The correct choice is 11.

Start with 6 and count on 5: 7, 8, 9, 10, 11.

2. QuestionMultiple choice

What is '8 + 5'?

Please select an answer first.

Correct answer: B

The correct answer is 13.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 8 + 2 makes 10, and 3 more makes 13.
  3. Check the total: The correct choice is 13.

8 + 2 makes 10, and 3 more makes 13.

3. QuestionMultiple choice

Which number completes '9 + ? = 14'?

Please select an answer first.

Correct answer: C

The correct answer is 5.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: Count on from 9 to 14: 10, 11, 12, 13, 14. That is 5 steps.
  3. Check the total: The correct choice is 5.

Count on from 9 to 14: 10, 11, 12, 13, 14. That is 5 steps.

4. QuestionMultiple choice

What is '7 + 7'?

Please select an answer first.

Correct answer: D

The correct answer is 14.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 7 and 7 make 14.
  3. Check the total: The correct choice is 14.

7 and 7 make 14.

5. QuestionMultiple choice

Which equation shows a sum of 12?

Please select an answer first.

Correct answer: A

The correct answer is 5 + 7.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 5 + 7 = 12.
  3. Check the total: The correct choice is 5 + 7.

5 + 7 = 12.

6. QuestionMultiple choice

What is '9 + 6'?

Please select an answer first.

Correct answer: B

The correct answer is 15.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 9 + 1 makes 10, and 5 more makes 15.
  3. Check the total: The correct choice is 15.

9 + 1 makes 10, and 5 more makes 15.

7. QuestionMultiple choice

Which number is missing? '10 + ? = 18'

Please select an answer first.

Correct answer: C

The correct answer is 8.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 10 needs 8 more to make 18.
  3. Check the total: The correct choice is 8.

10 needs 8 more to make 18.

8. QuestionMultiple choice

What is '6 + 8'?

Please select an answer first.

Correct answer: D

The correct answer is 14.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 6 + 4 makes 10, and 4 more makes 14.
  3. Check the total: The correct choice is 14.

6 + 4 makes 10, and 4 more makes 14.

9. QuestionMultiple choice

Which fact uses a number bond for 10 to solve '8 + 4'?

Please select an answer first.

Correct answer: A

The correct answer is 8 + 2 + 2.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: Split 4 into 2 and 2. Then 8 + 2 = 10 and 10 + 2 = 12.
  3. Check the total: The correct choice is 8 + 2 + 2.

Split 4 into 2 and 2. Then 8 + 2 = 10 and 10 + 2 = 12.

10. QuestionMultiple choice

What is '5 + 9'?

Please select an answer first.

Correct answer: B

The correct answer is 14.

  1. Read the equation or story: Identify the numbers being joined or added together.
  2. Use an addition strategy: 5 + 5 makes 10, and 4 more makes 14.
  3. Check the total: The correct choice is 14.

5 + 5 makes 10, and 4 more makes 14.

Frequently asked questions about Grade 1 addition within 20

What does addition within 20 mean?

It means joining two numbers so that their sum is 20 or less. Students practice facts such as 8 + 6 and 12 + 7.

How many questions are in each practice test?

Each mini test contains 10 multiple-choice questions. The complete page includes five mini tests and 50 questions in total.

What is a make-a-ten strategy?

A make-a-ten strategy breaks an addend apart so one number reaches 10 first. For example, 8 + 6 can become 8 + 2 + 4, which equals 14.