NUMBER UP TO NUMBER UP TO 100,000100,000

CHAPTER 1CHAPTER 1

BY M.Veerasakdi BY M.Veerasakdi LeotsophaLeotsopha

WARM UP !WARM UP !Guess Your Guess Your number ! !

Guess My Guess My number ! !

OBJECTIVESOBJECTIVES1. Be able to read numbers to 1. Be able to read numbers to

hundred thousandhundred thousand

2. Be able to identify the place 2. Be able to identify the place value of each digit in numbers value of each digit in numbers up to one hundred thousandup to one hundred thousand

3. Know how to write a number 3. Know how to write a number in word formin word form

VOCABULARYVOCABULARY

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

 

 

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

Ex.1.1 Read the numeral shown …..

Thirty thousand five hundred forty seven

Forty thousand two hundred

seventy

Eleven thousand one hundred forty seven

Sixty three thousand twenty

five

Twenty four thousand five hundred sixty

seven

Thirty four thousand two

hundred thirteen

TTh Th H T O

TTh Th H T O TTh Th H T O

TTh Th H T OTTh Th H T O TTh Th H T O

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B. Represent the following …..

TTh Th H T O

1.1. 36,01536,015 3. 56,54356,543

Thirty six thousand Thirty six thousand fifteenfifteen

TTh Th H T O

Fifty six thousand five Fifty six thousand five hundred forty threehundred forty three

Page 3Page 3

READ THIS NUMBERREAD THIS NUMBER

133,472133,472One hundred thirty-three thousand, One hundred thirty-three thousand, four hundred seventy-twofour hundred seventy-two

READ THIS NUMBERREAD THIS NUMBER

643,582643,582Six hundred forty-three thousand, Six hundred forty-three thousand,

five hundred eighty-twofive hundred eighty-two

READ THIS NUMBERREAD THIS NUMBER

54,93154,931Fifty-four thousand, Fifty-four thousand,

nine hundred thirty-onenine hundred thirty-one

READ THIS NUMBERREAD THIS NUMBER

530,801530,801Five hundred thirty thousand, Five hundred thirty thousand,

eight hundred oneeight hundred one

READ THIS NUMBERREAD THIS NUMBER

4,2684,268Four thousand, Four thousand,

two hundred sixty-eighttwo hundred sixty-eight

READ THIS NUMBERREAD THIS NUMBER

305,108305,108Three hundred five thousand, Three hundred five thousand,

one hundred eightone hundred eight

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

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D.D. Read the numeral and write number namesRead 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

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No. E & F < Skip >No. E & F < Skip >

Ex.1.2 Ex.1.2

A. Write the number names…….A. Write the number names…….

1) 150,905 = One hundred fifty thousand nine hundred five

2) 782,990 = Seven hundred eighty thousand nine hundred ninety

3) 999,999 = Nine hundred ninety thousand nine hundred ninety

4) 439,646 = Four hundred thirty nine thousand six hundred forty six

5) 791,875 = Seven hundred ninety one thousand eight hundred seventy five

6) 356,489 = Three hundred fifty six thousand four hundred eighty nine

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TTh Th H T O

1) 2)

Three hundred twenty thousand three hundred

twenty two

TTh Th H T O

One hundred twenty three thousand four hundred twenty five

HThHTh

B. To represent a 6 digit ………….B. To represent a 6 digit …………. Page 5Page 5

C. Read the 6- digit numeral and …..

TTh Th H T O

TTh Th H T OHTh

HTh

524,152524,152 405,215405,215

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No. D & E < Skip >No. D & E < Skip >

Math Racing GamesMath Racing Games

Worksheet 1Worksheet 1

Worksheet

Worksheet

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