Number and Operations in Base Ten

Preparation for 3.NBT.1, 3.NBT.2, and 3.NBT.3

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There are 1,576 steps to the top of the Empire State Building. Look at the model. Write the number in standard form, expanded form, and word form.

1 thousand 5 hundreds 7 tens 6 ones

Standard form: 1,576Expanded form: 1,000 + 500 + 70 + 6Word form: one thousand, five hundred seventy-six

Write the place and the value of the highlighted digit in 1,576.A place-value chart helps to identify the place and value of a digit.

The circled digit, 5, is in thehundreds place. Its value is 500.

hundreds onestensthousands

1 5 7 6

Practice

Write each number in expanded form and word form.

1. 2,368 2,000 + + 60 +

two , three sixty-eight

2. 6,204 + +

thousand, hundred four

Lesson 1

Place Value Through Thousands

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Lesson 1 My Homework�13

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Test Practice 17. Which represents the number two thousand, eighty?

A 280 C 2,080

B 2,008 D 2,800

12. word form

13. digit

14. expanded form

15. standard form

16. place value

• the value given to a digit by its place in a number

• the form of a number that uses written words

• the form of a number that shows the sum of the value of each digit

• a symbol used to write a number

• the form of writing a number that shows only its digits

Draw a line to connect each vocabulary word(s) to its definition.

Vocabulary Check

Write the highlighted digit’s place and value.

3. 567 4. 6,327

5. 9,325 6. 8,281

Write each number in standard form.

7. 5,000 + 500 + 3 8. 2,000 + 300 + 20 + 9

9. 4,000 + 600 + 8 10. 9,000 + 300 + 70 + 2

Problem Solving

11. 2 Use Number Sense Kyle is in seat number 1,024. Sierra’s seat number has the same number of thousands and tens as Kyle’s seat number, but 2 more hundreds and 3 fewer ones than Kyle’s seat number. What is Sierra’s seat number?

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Vocab

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