Regrouping Hundreds, Tens and Ones Worksheets for 2nd Grade

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Grade 2MathPlace Value & RoundingCCSS 2.NBT.A.1

Skill: Writing three-digit numbers from hundreds, tens and ones when a place has 10 or more

Preview of the Regrouping Hundreds, Tens and Ones printable worksheet
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Teaching tips and what to try next

Aimed at second graders who read and write three-digit numbers and know that 10 ones make a ten. Writing each place as its own number first, like 200 + 130 + 4, keeps children from stringing digits together. Afterward, try 10 More, 10 Less, 100 More, 100 Less or the regrouping in Subtracting Across Zeros, where the same trades happen in reverse.

10 versions, each with its own answer key

Same skill and layout, a fresh set of problems in every version, so children can keep practicing without repeating a page. Problems are not repeated between versions unless a skill has only a small number of possible problems (for example, the addition facts within 10).

Download all 10 versions (one PDF)All 10 answer keys (PDF)

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About this worksheet

Second graders learn that the three digits of a number stand for hundreds, tens and ones, and that 10 tens make a hundred. The real test of that understanding is a problem like 2 hundreds 13 tens 4 ones, where the tens do not fit in one digit. Children who only copy digits write 2134, while children who understand place value see 200 + 130 + 4 = 334. This second-grade worksheet practices exactly that.

The page has three parts. Part A has eight problems with 10 to 19 tens or 10 to 19 ones, so children must regroup before writing the number. Part B asks how many tens are in a number like 460, which shows that 4 hundreds is the same as 40 tens. Part C has six problems with a zero in the tens or ones place, such as 5 hundreds 0 tens 9 ones, so children practice using zero to hold a place. Every answer is a number below 1,000. Each of the ten versions has new problems and its own answer key.

How to use it: base-ten blocks or drawings of flats, rods and units make the regrouping easy to see. Trade ten rods for one flat, or ten units for one rod, and then read the number. For Part B, count by tens on a hundred chart together. Remind your child that every answer should have three digits.

The answer key gives every number. For basic practice, try our Hundreds, Tens, and Ones Place Value worksheet. For reading numbers, try our Writing Three-Digit Numbers in Words worksheet.