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2nd Grade Converting Forms Worksheets

Our 2nd grade converting forms worksheets help students practice changing numbers between numeric, word, and expanded forms. These printable activities cover numbers within 100 and 1,000, building essential place value skills through 100 targeted practice problems across five different worksheet types.

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Problem Type

numeric horizontal converting forms addition

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Expanded Form

About these worksheets

Students practice converting numbers between expanded form and standard (numeric) form. Worksheets cover whole numbers within 1,000 up to one million, as well as decimals to thousandths. Activities include standard expanded form (like 400 + 30 + 2) and expanded notation (using multiplication by place value). These resources align with second through fifth grade place value standards.

2nd Grade Converting Forms Worksheets - Numeric to Expanded (within 100) worksheet

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Numeric to Expanded (within 100)

2nbt3

Break a two-digit number into tens and ones.
Write a number in expanded form using addition (like 47 = 40 + 7).
Use place value to explain what each digit in a two-digit number means.
Check that the expanded form adds back to the original number.

2nd Grade Converting Forms Worksheets - Expanded Form to Numeric Form (within 1,000) worksheet

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Expanded Form to Numeric Form (within 1,000)

2nbt3

Turn an expanded form like 300 + 40 + 6 into standard form.
Use hundreds, tens, and ones to understand what each part of a number means.
Add the parts in expanded form to build the whole number.

2nd Grade Converting Forms Worksheets - Numeric to Expanded (within 1,000) worksheet

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Numeric to Expanded (within 1,000)

2nbt3

Break a number up into hundreds, tens, and ones.
Write a number in expanded form as a sum (like 472 = 400 + 70 + 2).
Use place value to decide which digits become hundreds, tens, and ones in the expanded form.
Handle numbers that have a 0 in one place by leaving that part out or writing it as + 0.

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