CCSS 2.NBT.3 Worksheets
CCSS 2.NBT.3 (Common Core, 2nd Grade): "Read and write numbers to 1000 using base-ten numerals, number names, and expanded form." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.
Number and Operations in Base Ten
3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
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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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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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Read numbers up to 1,000 and write them out in words. Use hundreds, tens, and ones to say a number correctly in word form. Spell number words correctly, including tricky ones like the teens and multiples of ten. Write word form for numbers that have a zero in the tens or ones place.
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Read a number written in words and write it as digits. Use place value to decide how many hundreds, tens, and ones the words describe. Handle tricky word parts like teen numbers and numbers with a zero in the tens or ones place.
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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.
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