Free worksheets · Grade 2
Addition with Regrouping Using Expanded Form Worksheet
Split each number into place values, add the parts, and put them back together.
Free printable
Addition with Regrouping Using Expanded Form
8 questions, one page, US Letter. Print it and do it on paper.
On the sheet: Split each number into place values. Add the tens, then add the ones. Put the parts back together.
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About this worksheet
Regrouping (also called carrying) happens when the ones add up to 10 or more, like 7 + 8 in 47 + 38. Ten of those ones become one more ten.
Expanded form shows that trade instead of hiding it in a small carried 1: 47 is 40 + 7, so the tens and the ones are added separately and then combined.
A worked example
47 + 38 = ?
- Split into place values: 47 = 40 + 7 and 38 = 30 + 8.
- Add the tens: 40 + 30 = 70.
- Add the ones: 7 + 8 = 15.
- Put the parts back together: 70 + 15 = 85.
Answer: 47 + 38 = 85
The common mistake
What it looks like: Losing the ten inside the ones: writing 75 for 47 + 38, or writing 715 by putting the 15 down whole.
Why it happens: 15 is one ten and five ones, but children write it in the ones place as if it were a single digit, or drop the ten.
How to fix it: Say what the ones total is made of: "15 is 1 ten and 5 ones." Then add that ten to the tens: 70 + 10 + 5.
Ten minutes a day, on paper. We plan what comes next.
A printed page and a pencil. No screen, no login for your child. Snap a photo when they’re done: AI scores it, and what they missed comes back on the sheets that follow.
- Mon Addition with Regrouping Using Expanded Form
- Tue What they missed, back again
- Wed The next step, when they’re ready
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