Free printable practice
2 Digit Plus 1 Digit Practice Activities
Printable maths drills for practising 2 digit plus 1 digit addition, including mental addition, regrouping awareness, and accurate written sums.
Practice that builds confidence
What this addition skill builds
These 2 digit plus 1 digit addition worksheets help children build fluency with sums such as 24 + 5, 68 + 7, and 90 + 3. The focus is on adding a single-digit number to a two-digit number while keeping place value clear.
The printable activities include straightforward addition drills that support mental maths, written column work, and careful checking. Children practise both sums that do not cross a ten and sums where the ones make a new ten.
Adding 2 digit plus 1 digit numbers is an important step between basic facts and larger written addition. Children learn to see a two-digit number as tens and ones, then add the single digit to the ones place first. For example, in 43 + 6, the ones become 9, so the answer is 49. In 47 + 6, the ones cross ten, so children need to understand that 7 + 6 = 13 and the extra ten changes 47 to 53.
Progression from easy to regrouping sums
These worksheets are useful for practising both types of questions: sums without regrouping and sums with regrouping. A child may begin with facts like 32 + 4 or 71 + 8, where the tens digit stays the same. Then they move towards examples such as 58 + 5 or 76 + 9, where making a ten is needed. This progression helps children move beyond counting all and towards using known addition facts confidently.
A simple parent routine
At home, ask your child to read each sum aloud before solving it. Encourage them to say, “Add the ones first,” then write or say the answer. After one row, choose two sums and ask how they know the answer is correct. For regrouping questions, let them draw quick tens and ones, or split the number: 68 + 7 can become 68 + 2 + 5 = 75. Keep the routine calm and focused on accuracy before speed.
Classroom uses for maths practice
Teachers can use these printables for morning maths drills, addition revision, small-group support, or independent practice after a lesson on place value. They also work well as quick checks to identify who is still counting one by one and who is ready for mixed addition practice. For peer checking, children can compare answers and explain one regrouping sum to a partner.
Common errors to watch for
A frequent mistake is adding the single digit to the tens digit instead of the ones digit. Another is writing 47 + 6 as 413 because the child records 7 + 6 without regrouping. Some children also forget to increase the tens when the ones total is more than 9. Watch for reversed digits, skipped questions, and answers that are one more or one less due to counting errors.
Free printable PDF download
Use this 2 digit plus 1 digit addition worksheet page to preview the activity, print it, or download it as a PDF for quick practice. It works well for homework, homeschool lessons, tutoring, morning work, revision, and classroom centers.
Answers and answer key support
After the child completes the worksheet independently, parents and teachers can use the answer support or answer key information to check the work, review mistakes, and choose the next practice step.
Why iBloom worksheets help
The iBloom activities give children repeated, focused practice on one clear addition skill. This reduces overload and helps them notice patterns, such as making 10, keeping tens steady, and changing tens after regrouping. A child-friendly strategy is: “Add the ones, make a ten if needed, then check the tens.”
Helpful answers
Frequently asked questions
What does 2 digit plus 1 digit addition mean?
It means adding a single-digit number, such as 4 or 9, to a two-digit number, such as 36 or 78. Examples include 25 + 3, 49 + 8, and 90 + 7.
Do these worksheets include regrouping or carrying?
Yes, the practice can include sums where the ones cross ten, such as 56 + 7. Children learn to regroup the extra ten into the tens place.
How can I help my child if they count every number one by one?
Encourage them to start from the larger number and add on, or use making ten. For example, 68 + 7 can be solved as 68 + 2 + 5 = 75.
Should children solve these sums mentally or in columns?
Both methods are useful. Mental maths builds fluency, while column addition helps children see the ones and tens places clearly, especially when regrouping is needed.
What mistakes are common in 2 digit plus 1 digit sums?
Children may add the single digit to the tens place, forget to carry when the ones total is more than 9, or write both digits of the ones total without regrouping.
Is this 2 digit plus 1 digit addition worksheet free?
Yes. You can preview it for free and use the printable worksheet for home or classroom practice.
Can I download this 2 digit plus 1 digit addition worksheet as a PDF?
Yes. Use the worksheet download option to save a printable PDF, or print the worksheet directly from the page.
Does this 2 digit plus 1 digit addition worksheet include answers or an answer key?
When the activity has fixed answers, iBloom includes answer support so parents and teachers can check the completed worksheet.