Here are the answers: 1. a) 7,268 b) 2,911 c) 9,009 2. a) Five thousand five hundred and fifteen b) Three thousand three hundred and three c) Eight thousand and eighteen 3. a) 4.343 - 4.344 - 4.443 b) 5.656 - 5.566 - 6.665 4. a) 7.774 - 7.447 - 4.774 b) 1.110 - 1.101 - 1.010

1. Hundreds Tens Ones
5 7 2
The place of each digit : 5 hundreds 7 tens 2 ones
The value of each digit : 500 70 2
I write : 572
I say : Five hundred and seventy-two

2. Hundreds Tens Ones
7 0 1
The place of each digit : 7 hundreds 0 tens 1 ones
The value of each digit : 700 0 1
I write : 701
I say : Seven hundred and one

3. Hundreds Tens Ones
8 3 0
The place of each digit : 8 hundreds 3 tens 0 ones
The value of each digit : 800 30 0
I write : 830
I say : Eight hundred and thirty

4. NUMBER PATTERNS
Count down by 1
130
129
128
Count up by 1
127
126
125
126 is 1 less than 127
128 is 1 more than 127

5. NUMBER PATTERNS
Count down by 100
820
720
620
Count up by 100
520
420
320
420 is 100 less than 520
620 is 100 more than 520

6. NUMBER PATTERNS
Count down by 10
730
720
710
Count up by 10
700
690
680
690 is 10 less than 700
710 is 10 more than 700

7. Find number patterns
122 123 124 125 123
Count up by 1
235 245 265 275 285
Count up by 10

8. Find number patterns
348 346 344 342 340
Count down by 2
440 430 420 410 400
Count down by 10

9. Find number patterns
110 130 150 170 190
Count up by 20
351 451 551 651 751
Count up by 100

10. Find number patterns
490 470 450 430 410
Count down by 20
740 640 540 440 340
Count down by 100

11. Find the missing numbers
380
390
400
410
The rule is + 10
420
430
440

12. Find the missing numbers
380
400
420
440
The rule is + 20
460
480
500

13. Find the missing numbers
782
682
582
482
The rule is - 100
382
282
182

14. Find the missing numbers
380
375
370
365
The rule is - 5
360
355
350

15. The rule is The rule is
+ 100 - 10
input output input output
450 550 451 441
671 771 670 660
715 815 823 813
232 332 230 220

16. NUMBERS UP TO 10.000
Thousands Hundereds Tens Ones
The place value : 3 thousands 6 hundreds 3 tens 6 ones
The number value : 3000 600 30 6
I write : 3.636
I say : Three thousand six hundred and thirty-six

17. Thousands Hundereds Tens Ones
The place value : 2 thousands 3 hundreds 3 tens 0 ones
The number value : 2000 300 30 0
I write : 2.330
I say : Two thousand three hundred and thirty

18. Thousands Hundereds Tens Ones
The place value : 1 thousands 3 hundreds 0 tens 5 ones
The number value : 1000 300 0 5
I write : 1.305
I say : One thousand three hundred and five

19. Thousands Hundereds Tens Ones
The place value : 1 thousands 0 hundreds 6 tens 5 ones
The number value : 1000 0 60 5
I write : 1.065
I say : One thousand and sixty-five

20. The place value of digit number
1.234 2.456 5.246 4.216
a. The digit 3 is in the tens place or
digit 3 stands for 3 tens
b. The digit 4 is in the hundreds place or
digit 4 stands for 4 hundreds
c. The digit 5 is in the thousands place or
digit 5 stands for 5 thousands
d. The digit 6 is in the ones place or
digit 6 stands for 6 ones

21. The value of digit number
In 1.340
the digit 1 has a value of 1000
In 5.047
the digit 4 has a value of 40
In 2.867
the digit 8 has a value of 800
In 6.208
the digit 0 has a value of 0
In 3.234
the digit 4 has a value of 4

22. Fill the missing number
1. 2.345 = 2.000 + 300 + 40 + 5
2. 3.404 = 3.000 + 400 + 4
_____
3. 20
1.025 = 1.000 + ___ + 5
4. 700
1.753 = 1.000 + ____ + 50 + 3
5. 7
4.007 = 4.000 + ___
6. 5.055 = 5.000 + 50 + 5
_____

23. Compare number up to 10.000
3.506
< 4.506
3 thousands is smaller than 4 thousands
Therefore, 3.506 is smaller than 4.506
This means 4.506 is greater than 3.506

24. Compare number up to 100.000
2.646
> 2.546
In thousands place have the same digit
6 hundreds is greater than 5 hundreds
Therefore, 2.646 is greater than 2.546
This means 2.546 is smaller than 2.646

25. For Remember !
We always start comparing the thousands,
then the hundreds, followed by the tens and
finally the ones

26. 7.409 7.049 9.049
Arrange these numbers in ascending order!
The smallest The greatest
7.049 7.409 9.049

27. 3.233 3.323 3.332
Arrange these numbers in descending order!
The greatest The smallest
3.332 3.323 3.233

28. Use the following digits to form 4-digits number
2 1 5 8
The greatest number
8 . 521
The smallest number
1 . 258

29. Use the following digits to form 4-digits number
0 2 4 7
The greatest number
7. 420
The smallest number
2. 047

30. Do the following questions!
1. Write the numbers
a. Seven thousand, two hundred and sixty-eight
b. Two thousand, nine hundred and eleven
c. Nine thousand and nine
2. Write these numbers in words
a. 5.515
b. 3.303
c. 8.018
3. Arrange these numbers in ascending order
a. 4.344 - 4.443 - 4.343
b. 5.566 - 6.665 - 5.656
4. Arrange these numbers in descending order
a. 7.447 - 4.774 - 7.774
b. 1.110 - 1.010 - 1.101