These worksheets on addition facts to 20 will help improve your accuracy and speed in addition. With the help of our free printable worksheets, first-graders can improve their basic mathematics skills by learning basic addition.
Solving Addition Facts to 20 Using Number Line
These worksheets have problems with addition. Add the numbers and write the correct answers in the desired place. Then justify your answers using the number line.
Worksheet 1 Worksheet 2 Worksheet 3
Find Missing Addends Using Addition Facts
To find the missing addends, subtract the given numbers from the answers and write them.
Worksheet 1 Worksheet 2 Worksheet 3
Practice Addition Facts to 20 Using Cut and Paste Activity
Determine the correct answers, then cut and paste them in the desired place.
Worksheet 1 Worksheet 2 Worksheet 3
Robot-Themed Addition Facts to 20
Figure out the missing addends according to the answers.
Worksheet 1 Worksheet 2 Worksheet 3
Rainbow-Themed Addition Facts to 20
Figure out both the missing addends according to the answers.
Worksheet 1 Worksheet 2 Worksheet 3
Identifying Addition Facts Family to 20
The three numbers will have two addition relationships in an addition fact family. For example, numbers 20, 27, and 7 have the following addition fact families: 20 + 7 = 27, and 7 + 20 = 27.
Worksheet 1 Worksheet 2 Worksheet 3