Free K–5 Addition Worksheets
This adult-facing addition library groups code-checked worksheets by grade and learning objective. Compare the skill descriptions before printing, use a fixed sample, or open the builder to create an equivalent set.
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Addition Within 5
Represent and solve addition equations whose sums are no greater than 5.
Addition Within 10
Solve addition situations and equations with sums no greater than 10.
Addition Within 10
Build accurate and flexible recall of addition facts with sums through 10.
Addition Within 20
Use counting-on, making-ten, and decomposition strategies to add within 20.
Missing Addends Within 20
Find an unknown addend in an addition or subtraction equation within 20.
Two-Digit Plus One-Digit Addition
Add a one-digit number to a two-digit number using place-value strategies.
Two-Digit Addition Without Regrouping
Add two two-digit numbers by combining tens and ones without composing a new ten.
Two-Digit Addition With Regrouping
Add two two-digit numbers and compose a new ten when the ones sum is at least 10.
Multi-Digit Addition
Fluently add whole numbers through the hundred-thousands place with the standard algorithm.
Teaching tips
- Encourage a strategy such as making ten, decomposing, or using place value.
- Check a few answers by reversing the operation with subtraction.
Common mistakes
- Losing track of a regrouped ten when working vertically.
- Adding digits from different place-value columns.