I - Decimal number
1 - Definition
A decimal Number is a number that has a whole part and a fractional part; separated by a decimal point.
- Vocabulary
My height is 1,75meter, read and define the nature of this number:
Use the number 619 723 766 to answer the following questions:
– What does the number 1 represent?
– What does the number 2 represent?
Use the number 619 723 766 to answer the following questions:
– What does the number 1 represent?
– What does the number 2 represent?
– How many millions are in the number 619 723 766?
– How many thousands are in the number 619 723 766?
– How many thousands are in the number 619 723 766?
- Exercise
My height is 1,75meter, read and define the nature of this number:
- Solution
-1,75 is red one point (or dot) seven tenth and five hundredth
-1,75 is a decimal number
- Notice
My height is 1,75meter, read and define the nature of this number:
2 - The place chart value
Use the number 619 723 766 to answer the following questions:
– What does the number 1 represent?
– What does the number 2 represent?
– How many millions are in the number 619 723 766?
– How many thousands are in the number 619 723 766?
– How many thousands are in the number 619 723 766?
- Solution
In the number 619 723 766
• The Number 1 represents the ten million
• The number 2 represents the ten thousand
• There is 9 millions in this number
• There is 3 thousands in this number
• There is 1 ten millions in this number
- Rule
In the number 619 723 766
• The Number 1 represents the ten million
3 - The place chart value
3-1 - Sous titre
3-1-1 - Sous titre
- Solution
Number of the rice grain | Length (cm) |
| 1 | 0.7 |
| 2 | 0.6 |
| 3 | 0.4 |