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expanded form Worksheets

Free converting forms worksheets with answer key. No login or account needed. From converting fractions to decimals, numeric to word and everything in between, we've got you covered. A grading column and quick grade scale maker grading a breeze and a modified pages help with lower level learners or when just introducing a topic. Great for teachers or for homeschool.

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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.

expanded form Worksheets - Writing Numbers as Words worksheet

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Writing Numbers as Words

Turn a written number into the correct word form.
Use place value to decide which words to include (like hundreds and thousands).
Spell number words correctly, including tricky ones like teens and multiples of ten.
Write number words with the right spacing and hyphens when needed.

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expanded form 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.

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expanded form 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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expanded form Worksheets - Expanded to Numeric Within 1 Million worksheet

Load up one problem at a time! Ideal for projectors, tablets and computers.

Create a set of flash cards.

Create a distance learning assignment.

Distance Learning

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Expanded to Numeric Within 1 Million

4nbt2

Turn an expanded form like 400,000 + 30,000 + 200 + 5 into one number.
Use place value to decide which digits belong in each spot from ones up to hundred-thousands.
Combine the addends in expanded form to write the correct standard (numeric) form.

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expanded form Worksheets - Numeric to Expanded Within 1 Million worksheet

Load up one problem at a time! Ideal for projectors, tablets and computers.

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Distance Learning

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Numeric to Expanded Within 1 Million

4nbt2

Break a number up into the value of each digit using place value.
Write a number in expanded form as a sum of hundreds-thousands, ten-thousands, thousands, hundreds, tens, and ones.
Use zeros as placeholders so missing place values are handled correctly in expanded form.

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expanded form Worksheets - Expanded to Numeric with Decimals worksheet

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Expanded to Numeric with Decimals

5nbt3a

Use place value to decide which digits belong in the ones, tenths, hundredths, and thousandths places.
Write decimals correctly with a decimal point and zeros when a place value is missing.
Combine the parts of an expanded form by adding them to make a single decimal number.

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expanded form Worksheets - Expanded Notation to Numeric with Decimals worksheet

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Expanded Notation to Numeric with Decimals

5nbt3a

Turn an expanded notation expression into one decimal number.
Use place value to decide which digits go in the ones, tenths, hundredths, and thousandths places.
Combine whole-number parts and decimal parts correctly when writing the number in standard form.
Write decimals with zeros in the right places when a place value is missing.

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expanded form Worksheets - Numeric to Expanded with Decimals worksheet

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Distance Learning

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Numeric to Expanded with Decimals

5nbt3a

Break a decimal number into the value of each digit using place value.
Write a number in expanded form using addition to show how the parts make the whole.
Read and interpret digits in tenths, hundredths, and thousandths places.
Include zero place values correctly when writing expanded form.

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expanded form Worksheets - Numeric to Expanded Notation with Decimals worksheet

Load up one problem at a time! Ideal for projectors, tablets and computers.

Create a set of flash cards.

Create a distance learning assignment.

Distance Learning

Create a new worksheet.

Create New Sheet

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Numeric to Expanded Notation with Decimals

5nbt3a

Break a decimal number into the value of each digit and write it as a sum.
Match each digit to its correct place value, including tenths, hundredths, and thousandths.
Use zeros as placeholders so the expanded notation still shows the correct value.
Read a decimal number and explain what each part is worth in expanded form.

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