2nbt3 Worksheets
Number and Operations in Base Ten
Understand place value.
3Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
2nbt3
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.
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.
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.
2nbt3

- 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.
2nbt3

- 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.