Welcome
Mathematics
Number
work 0 – 9999
Number names: 3 and 4 digit
In words:
247- Two hundred and forty seven.
403- Four hundred and three.
111- One hundred and eleven.
786- Seven hundred and
eighty six.
1000 - One thousand.
1005- One thousand and five.
1010- One thousand and ten.
1999- One thousand nine hundred and ninety nine.
1575- One thousand five hundred and seventy five.
3918- Three thousand nine hundred and eighteen.
2849- Two thousand eight hundred and forty nine.
1007- One thousand and seven.
6575- Six thousand five hundred and seventy five.
2704- Two thousand seven hundred and four.
8006- Eight thousand and six.
In figures:
Six hundred and nineteen- 619.
Nine hundred and ninety nine- 999.
Five hundred and fifteen- 515.
Nine hundred and nine -909.
Five thousand six hundred and thirty -5630.
Eight thousand three hundred and nineteen - 8319.
Three thousand three hundred - 3300
Place value:
Th H T U
Thousands HUNDREDS TENS
UNITS
Place value
756 -
6
309 - 300
854 -
50
428 -
20
731 -
1
6754 -
50
4560 - 4000
8999 -
900
1056-
6
3291 - 3000
Expanded form:
645- 600 +40 + 5.
999- 900 + 90+ 9.
179- 100 + 70 + 9.
5971- 5000 + 900 + 70 + 1.
8642- 8000 + 600 + 40 + 2.
4631- 4000 + 600 + 30 + 1.
1503 - 1000 + 500 + 00 + 3.
4613 - 4000 + 600 + 10 + 3.
4730 - 4000 + 700 + 30 + 0.
1508 - 1000 + 500 + 00 + 8.
8595 - 8000 + 500 + 90 + 5.
9999 - 9000 + 900 + 90 + 9.
3891- 3000 + 800 + 90 + 1.
Signs:
= equal to,
> Greater than,
< Less than.
63 > 47
247 < 287
169 < 961
38 = 38
409 < 944
856 > 436
2222 = 2222
7152 > 4368
8916 < 9619
Odd and Even Numbers:
Even Numbers- When the
digit in the units place of a number is 0,2,4,6, 8 then the number is even
number.
Odd number – when the
digit in the units place of a number is 1, 3, 5, 7,9 then the number is odd
number.
Q
Circle
the odd numbers
1.
3 , 2 , 5 , 6
2.
202 , 340 , 175
3.
400 , 100 , 609
4.
296 , 341 , 90
5.
472 , 875 , 7
Q
Circle the even numbers
1.
7 , 8 , 6 , 9
2.
435 , 246 , 900
3.
666 , 333 , 111
4.
500 , 250 , 125
5.
821 , 762 , 412
Q
True or False
1.
306 is an even number -True
2.
501 is an odd number - True
3.
705 is an even number - False
4.
393 is an odd number – True
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