NS 1.1 stimate, round, and manipulate very large (e.g., millions) and very small (e.g., thousandths) numbers. UNDRLYNG SKLLS AND ONS: read and write numbers; expanded notation; distributive property Review lace Value Numbers are made up of digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. ach digit has its own place. ach place has a value. lace value tells you how many ones, tens, hundreds, thousands, and so on are in a number. x a m p l his place value chart shows the number 739,532,066. he digits in a number are organized in periods: millions, thousands, ones. Hundred Millions Millions housands Ones en Millions Hundred en Millions housands housands housands Hundreds 7 3 9, 5 3 2, 0 ens 6 Ones 6 Listen for patterns as you read the number. seven hundred thirty-nine million, five hundred thirty-two thousand, sixty-six dentify the place of the digits. What digit is in the ones place? 6 What digit is in the thousands place? 2 o identify the value of a digit, you need to know its place in the number. What is the value of the digit in the ten thousands place? 3 10,000 30,000 30 thousands What is the value of the digit in the tens place? 6 10 60 6 tens What is the value of the digit in the hundred thousands place? 5 100,000 500,000 500 thousands What is the value of the digit 7? 7 100,000,000 700,000,000 700 millions Use a comma to show each period. SL Associates, nc. All rights reserved. page 2 hapter 1 Lesson 1
Read each number aloud. hen write the value of the digit 5 in each number. 1. 521 500 or 5 hundreds 2. 1,500 500 or 5 hundreds 3. 500,032 500,000 or 500 thousands 4. 157,629 50,000 or 50 thousands 5. 272,635 5 or 5 ones 6. 272,653 50 or 5 tens 7. 1 in the tens place: 101 123 321 1,010 8. 2 in the thousands place: 222 20,000 12,999 234,567 9. 9 in the hundreds place: 9,123 6,090 5,978 19,919 10. 7 in the ones place: 7,547 97,751 73,027 107,779 SL Associates, nc. All rights reserved. 11. What number has a 3 in the thousands place, a 2 in the hundreds place, a 9 in the tens place, and a 5 in the ones place? 3,295 12. What number has a 7 in the hundred thousands place, a 7 in the ones place, and all other digits have the value zero? 700,007 13. What number has a 4 in the millions place, a 5 in the ten thousands place, a 6 in the tens place, and all other digits have the value 0? 4,050,060 14. he largest number of miles that can be displayed on Mrs. yrone s car odometer is 99,999 miles. How many places does the odometer display? A 3 B 4 5 D 9 15. Use the digits 7, 1, 2, 9, and 4. Write the smallest number possible using each digit only once. What s the value of the digit 4 in your number? 12,479. he value of digit 4 is 400. hapter 1 Lesson 1 page 3
at home! Read each number aloud. hen write the value of the digit 2 in each number. 1. 521 2 tens 2. 2,500 2 thousands 3. 500,032 2 ones 4. 127,659 20 thousand 5. 271,635 200 thousands 6. 178,253 2 hundreds 7. 2 in the tens place: 101 123 321 1,010 8. 2 in the ten thousands place: 222 20,000 12,999 234,567 9. 9 in the thousands place: 9,123 6,090 5,978 19,919 10. 7 in the hundreds place: 7,547 97,751 73,027 107,779 11. What number has a 4 in the thousands place, a 3 in the hundreds place, a 5 in the tens place, and a 6 in the ones place? 4,356 12. What number has a 5 in the hundred thousands place, a 6 in the ones place, and all other digits have the value zero? 500,006 13. What number has a 3 in the millions place, a 7 in the ten thousands place, a 4 in the tens place, and all other digits have the value 0? 3,070,040 14. he largest number of miles that can be displayed on Jeremy s bike odometer is 999 miles. How many places does the odometer display? A 3 B 4 5 D 9 15. Use the digits 8, 4, 3, 7, and 5. Write the smallest number possible using each digit only once. What s the value of the digit 4 in your number? 34,578; 4 thousands SL Associates, nc. All rights reserved. page 2 Home Resource and Homework hapter 1 Lesson 1
Read each number aloud. hen write the value of the digit 5 in each number. 1. 521 500 or 5 hundreds 2. 1,500 500 or 5 hundreds 3. 500,032 500,000 or 500 thousands 4. 157,629 50,000 or 50 thousands 5. 272,635 5 or 5 ones 6. 272,653 50 or 5 tens 7. 1 in the tens place: 101 123 321 1,010 8. 2 in the thousands place: 222 20,000 12,999 234,567 9. 9 in the hundreds place: 9,123 6,090 5,978 19,919 10. 7 in the ones place: 7,547 97,751 73,027 107,779 SL Associates, nc. All rights reserved. 11. What number has a 3 in the thousands place, a 2 in the hundreds place, a 9 in the tens place, and a 5 in the ones place? 3,295 12. What number has a 7 in the hundred thousands place, a 7 in the ones place, and all other digits have the value zero? 700,007 13. What number has a 4 in the millions place, a 5 in the ten thousands place, a 6 in the tens place, and all other digits have the value 0? 4,050,060 14. he largest number of miles that can be displayed on Mrs. yrone s car odometer is 99,999 miles. How many places does the odometer display? A 3 B 4 5 D 9 15. Use the digits 7, 1, 2, 9, and 4. Write the smallest number possible using each digit only once. What s the value of the digit 4 in your number? 12,479. he value of digit 4 is 400. hapter 1 Lesson 1 Student Book age page 3
at home! Read each number aloud. hen write the value of the digit 2 in each number. 1. 521 2 tens 2. 2,500 2 thousands 3. 500,032 2 ones 4. 127,659 20 thousand 5. 271,635 200 thousands 6. 178,253 2 hundreds 7. 2 in the tens place: 101 123 321 1,010 8. 2 in the ten thousands place: 222 20,000 12,999 234,567 9. 9 in the thousands place: 9,123 6,090 5,978 19,919 10. 7 in the hundreds place: 7,547 97,751 73,027 107,779 11. What number has a 4 in the thousands place, a 3 in the hundreds place, a 5 in the tens place, and a 6 in the ones place? 4,356 12. What number has a 5 in the hundred thousands place, a 6 in the ones place, and all other digits have the value zero? 500,006 13. What number has a 3 in the millions place, a 7 in the ten thousands place, a 4 in the tens place, and all other digits have the value 0? 3,070,040 14. he largest number of miles that can be displayed on Jeremy s bike odometer is 999 miles. How many places does the odometer display? A 3 B 4 5 D 9 15. Use the digits 8, 4, 3, 7, and 5. Write the smallest number possible using each digit only once. What s the value of the digit 4 in your number? 34,578; 4 thousands SL Associates, nc. All rights reserved. page 2 Home Resource and Homework hapter 1 Lesson 1