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Addition Within 20 Worksheet

Practice addition facts within 20 with this worksheet for first graders.

Grade 1 Math AdditionAddition FactsAddition Within 20
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Includes

CustomFill in the BlanksMultiple ChoiceShort AnswerTrue / False

Standards

CCSS.MATH.CONTENT.1.OA.C.6

Topics

mathadditiongrade 1addition factswithin 20
7 sections · Free to use · Printable
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Addition Within 20 Practice

Name:

Date:

Score:

Read each question carefully and write your answer in the space provided. You can use the number line to help you add.

Use this number line to help you solve the addition problems.

01234567891011121314151617181920

1. 5 + 3 =  

2. 7 + 2 =  

3. 4 + 6 =  

4. 9 + 5 =  

5. 8 + 8 =  

6. What is 6 + 7?

a

12

b

13

c

14

d

15

7. You have 10 red apples and 4 green apples. How many apples do you have in total?

8. 15 + 3 = 18

T

True

F

False