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**BY M.Veerasakdi Leotsopha**

CHAPTER 1 Number up to 100,000 BY M.Veerasakdi Leotsopha

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Warm up ! Guess Your number ! Guess My number !

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**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

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**Vocabulary 1. Recognise = to identify / prove**

2. Place value = the position of a single digit in a whole number 3. Ten Thousands = place value of digit ten thousand 4. Thousands = place value of digit thousand 5. Hundreds = place value of digit hundred 6. Tens = place value of digit ten 7. Ones = place value of 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

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**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

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**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

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**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

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**One hundred thirty-three thousand, four hundred seventy-two**

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

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**Six hundred forty-three thousand, five hundred eighty-two**

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

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**nine hundred thirty-one**

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

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**Five hundred thirty thousand,**

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

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**two hundred sixty-eight**

Read this number 4,268 Four thousand, two hundred sixty-eight

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**Three hundred five thousand,**

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

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Page 4 C. Write the numeral for the number name. 1. Forty-five thousand six hundred nineteen = 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

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**No. E & F < Skip > Read the numeral and write number names**

Page 4 Read the numeral and write number names 1. 46, = Forty six thousand three hundred forty nine 2. 39, = Thirty nine thousand six hundred ,919 = Seventy eight thousand nine hundred nineteen , = Eighty four thousand seven hundred forty three No. E & F < Skip >

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

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**B. To represent a 6 digit ………….**

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

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**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 >

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Worksheet 1 Worksheet 2 Math Racing Games

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