Number up to 100,000

1. Number up to 100,000 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. 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. Ex.1.1 Read the numeral shown ….. Page 3 TTh Th H T O TTh Th H T O TTh Th H T O Thirty thousand five hundred forty seven Forty thousand two hundred seventy Eleven thousand one hundred forty seven TTh Th H T O TTh Th H T O TTh Th H T O Sixty three thousand twenty five Twenty four thousand five hundred sixty seven Thirty four thousand two hundred thirteen

7. B. Represent the following ….. Page 3 1.36,015 3.56,543 TTh Th H T O TTh Th H T O Fifty six thousand five hundred forty three Thirty six thousand fifteen

8. Read this number 133,472 One hundred thirty-three thousand, four hundred seventy-two

9. Read this number 643,582 Six hundred forty-three thousand, five hundred eighty-two

10. Read this number 54,931 Fifty-four thousand, nine hundred thirty-one

11. Read this number 530,801 Five hundred thirty thousand, eight hundred one

12. READ THIS NUMBER 4,268 Four thousand, two hundred sixty-eight

13. Read this number 305,108 Three hundred five thousand, one hundred eight

14. Page 4 C. Write the numeral for the number name. 1. Forty-five thousand six hundred nine teen = 45,619 2. Ninety-nine thousand five hundred sixty = 99,560 3. Thirty-five thousand nine hundred ninety-nine = 35,999 4. Fourteen thousand nine = 14,009 5. Twenty-eight thousand one hundred fourteen = 28,114 6. Sixty-four thousand six hundred forty-eight = 64,648

15. Page 4 • Read the numeral and write number names • 1.46,349 = Forty six thousand three hundred forty nine • 2. 39,600 = Thirty nine thousand six hundred • 3. 78,919 = Seventy eight thousand nine hundred nineteen • 4. 84,743 = Eighty four thousand seven hundred forty three No. E & F < Skip >

16. Ex.1.2 Page 5 A. Write the number names……. • 150,905 = One hundred fifty thousand nine hundred five • 782,990 = Seven hundred eighty thousand nine hundred ninety • 999,999 = Nine hundred ninety thousand nine hundred ninety • 439,646 = Four hundred thirty nine thousand six hundred forty six • 791,875 = Seven hundred ninety one thousand eight hundred seventy five • 356,489 = Three hundred fifty six thousand four hundred eighty nine

17. Page 5 B. To represent a 6 digit …………. 1) 2) H T HTh TTh Th O HTh TTh Th H T O One hundred twenty three thousand four hundred twenty five Three hundred twenty thousand three hundred twenty two

18. C. Read the 6- digit numeral and ….. Page 5 H T O HTh TTh Th HTh TTh Th H T O 405,215 524,152 No. D & E < Skip >

19. Worksheet 1 Worksheet 2 Math Racing Games