Kungfu math p3 slide1 (numbers up to 10000)
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• Number notation and place values (thousands, hundreds, tens, ones) What will we learn today? Whole Numbers Numbers up to 10000
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Transcript of Kungfu math p3 slide1 (numbers up to 10000)
• Number notation and place values (thousands, hundreds, tens, ones)
What will we learn today?
Whole NumbersNumbers up to 10000
Understanding the place values
Before we begin, let’s understand what is place values.
In the number 1245,
tens ones
In the number 1245,
thousands
hundreds
So, in a 4-digit number,
There are
Thousands place
Hundreds place
Tens place
Ones place
In 9265, the digit 2 is in the ___ place.
a) ones
b) tens
c) hundreds
d) thousands
In 9265, the digit 2 is in the ___ place.
a) ones
b) tens
c) hundreds
d) thousands
The ‘2’ stands for 200.
In 9265, the digit 2 is in the ___ place.
a) ones
b) tens
c) hundreds
d) thousands
Here’s another example.
In 7501, the digit 5 stands for _____.
a) 5
b) 50
c) 500
d) 5000
In 7501, the digit 5 stands for _____.
a) 5
b) 50
c) 500
d) 5000
The ‘5’ is in the hundreds place.
In 7501, the digit 5 stands for _____.
a) 5
b) 50
c) 500
d) 5000
The ‘5’ stands for 500.
Understanding odd and even numbers
Even numbers can be divided evenly into groups of two.
Odd numbers can NOT be divided evenly into groups of two.
Even numbers can be divided evenly into groups of two.
Examples of even numbers : 2,4,6,8,10
Odd numbers can NOT be divided evenly into groups of two.
Examples of odd numbers : 1,3,5,7,9
1Odd 3Odd 5Odd 7Odd 9Odd 11Odd
2Even 4Even 6Even 8Even 10Even 12Even
Here’s an example.
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481
Did you notice the 2 important information?
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481 To form the smallest number, the first digit must be the smallest number.
tensoneshundredsthousand
s
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481The smallest number is 1.
tensoneshundredsthousand
s
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481 However, odd numbers can NOT be divided evenly into groups of two.We need to put ‘1’ at the last position.
tensoneshundredsthousand
s
1
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481 Next, we arrange the remaining numbers according to the value, from the smallest to the greatest.
tensoneshundredsthousand
s
12
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481 Next, we arrange the remaining numbers according to the value, from the smallest to the greatest.
tensoneshundredsthousand
s
12 4
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481 Next, we arrange the remaining numbers according to the value, from the smallest to the greatest.
tensoneshundredsthousand
s
12 4 8
What is the smallest odd number that can be formed with the digits 1,2,4 and 8?
a) 1248
b) 1284
c) 2148
d) 2481
Are you ready to try out the questions?
