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Place value & Expanded form

Place value & Expanded form. CHAPTER 1. BY M.Veerasakdi Leotsopha. WARM UP !. Guess Your number ! Guess My number !. Objectives. 1. Be able to read numbers to hundred thousand 2. Be able to identify the place value of each digit in numbers up to one hundred thousand

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Place value & Expanded form

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  1. Place value &Expanded form CHAPTER 1 BY M.VeerasakdiLeotsopha

  2. WARM UP ! • Guess Your number ! • Guess My number !

  3. Objectives • 1. Be able to read numbers to hundred thousand • 2. Be able to identify the place value of each digit in numbers up to one hundred thousand • 3. Know how to write a number in word form

  4. Chapter 1:Number up to 100,000 1. Recognise = to identify / prove 2. Place value = the position of a single digit in a whole number 3. Ten Thousands = place valueof digit ten thousand 4. Thousands = place valueof digit thousand 5. Hundreds = place valueof digit hundred 6. Tens = place valueof digit ten 7. Ones = place valueof digit one 8. Numerals = symbols or mark used to represent a number 9. Number name = express numbers in words 10. Expanded form = the sum of each digit Vocabulary

  5. 11. Comparing = to describe something as similar 12. Ordering = the way in which things are arranged 13. Ascending order = arrange from smallest to largest 14. Descending order = arrange from largest to smallest 15. Successor = the number that comes just after 16. Predecessor = the number that comes just before 17. Rounding off = to estimate 18. Estimation = approximation 19. Sum of = to combine two things or more 20. Difference of = left over from subtraction 21. Wrap up = conclusion

  6. What digit is in the hundred’s place? 7 4 3, 9 8 2 9

  7. What is the value of the underlined digit? 7 4 3, 9 8 2 Ten thousand

  8. What is the value of the underlined digit? 7 4 3,9 8 2 Thousand

  9. What is the value of the underlined digit? 74 3,9 8 2 Hundred thousand

  10. What is the value of the underlined digit? 7 4 3, 9 8 2 Hundred

  11. What is the value of the underlined digit? 7 4 3, 9 8 2 Ten

  12. What is the value of the underlined digit? 7 4 3, 9 8 2 One

  13. Place Value Page 7 A. Write in words the place value ………. • 43,102 = Hundreds 5. 76,543 = Tens • 49,325 = Hundreds 6. 256,729 = Tens • 41,978 = Thousands 7. 763,487= Ones • 89,032 = Ten thousands 8. 878,939 = Thousands B. Answer the following questions………. 1. Hundreds , 2. Thousands , 3. thousands , 4. Hundred Thousands

  14. Page 7 C. Recognize the place value of numbers ………. • What are the place value of each digit in 37,985 • a) The digit 5 is in the ones place. • b) “_____” 8 “_____” tens “_____” • c) “_____” 9 “_____” hundreds “_____” • d) “_____” 7 “_____” thousands “_____” • e) “_____” 3 “_____” tenthousands“_____” 2. What is the value of each digits in 87,563………. • Digit “ 3 ” = 3 ones , b) ) Digit “ 6 ” = 6 tens • Digit “ 5 ” = 5 hundreds d) Digit “ 7 ” = 7 thousands • e) Digit “ 8 ” = 8 ten thousands

  15. Page 7 - 8 3. What do the digits in 45,289 stand for ? • Digit “ 9 ” stands for 9 ones , b) ) Digit “ 8 ” stands for 8tens • Digit “ 2 ” stands for 2hundreds d) Digit “ 5 ” stands for 5 thousands • e) Digit “ 4 ” stands for 4 ten thousands 4. Fill in each blanks with the correct answer. a) In 34,902 the digit 9 is in the hundreds place. b) In 78,234 the digit 7 is in the tenhundreds place. c) The 56,291 , the digit 6 is in the thousands place. d) The 85,920 , the digit 8 is in the ten thousands place.

  16. 5. In 87,213 Page 8 • The place value of the digit “ 2 ” is hundreds place . • The value of the digit “ 2 ” is 2 hundreds. • The place value of the digit “ 2 ” is hundreds place . • The value of the digit “ 2 ” is 2 hundreds. 6. In 25,734 • The place value of the digit “ 5 ” is thousands place . • The value of the digit “ 5 ” is 5 thousands . 7. In 73,906 • The place value of the digit “ 6 ” is ones place . • The value of the digit “ 6 ” is 6 ones .

  17. Page 8 8. In 56,923 • The place value of the digit “ 5 ” is ten thousands place . • The value of the digit “ 5 ” is 5 ten thousands . 9. In 93,021 • The place value of the digit “ 9 ” is ten thousands place . • The value of the digit “ 9 ” is 9 ten thousands .

  18. Expanded form Ex.1.4 Page 9 A. Fill in the blanks. • 1. 7 hundred thousands + 3ten thousands + 4 thousands + 9 hundreds + • 2 tens + 5 ones. 2. 3 x 100,000 + 5 x 10,000 + 6 x 1,000 + 3 x100 + 2 x 10 + 8 3. 400,000 + 10,000 + 8,000 + 300 + 40 + 6

  19. B. Write in the expanded form. Page 9-10 • 300,000 + 50,000 + 3,000 + 400 + 30 + 9 • 800,000 + 50,000 + 6,000 + 400 + 70 + 2 • 300,000 + 00,000 + 5,000 + 600 + 00 + 7 • 80,000 + 5,000 + 000 + 00 + 1 C. Match the following. 1) c , 2) d , 3) f , 4) e , 5) a , 6) b

  20. Worksheet 1 Worksheet 2 Math Racing Games

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