Addition Within 20 Worksheets

Free printable addition within 20 worksheets. Addition problems for grade 1. These free activities were designed to help you teach addition with sums up to 20. You can also use mixed addition and subtraction within 20 worksheets.

Practice addition online here.

Simply click on the worksheet you want, then download and print. Some worksheets are available in printable PDF and online interactive version.

Worksheet offers the following activities:

1. Solve addition facts.
2. Insert the missing number.

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Download PDF Open Interactive Worksheet

Download PDF Open Interactive Worksheet

Need more? Try adding with pictures.

These free printable addition worksheets give your students the opportunity to practice their counting and addition skills. Kids write addition equations based on pictures of groups of objects being combined.

Kids count objects, fill in the blanks to create an addition equation and then find the sum by counting math facts.

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Exercises in this worksheet:

1. Addition with objects. Count and add the stars in each row and write the correct answer in the blank place.
2. Addition facts to 20. Find the sum.
3. Missing addends. Fill in the missing numbers.

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You might also like number line addition worksheets.

Find all of my addition worksheets here.