Mada za sehemu hiiWhole NumbersMada 2
- Counting by grouping
- Reading and writing numbers up to 1 000 000
Objects are counted either one by one or in groups. Counting objects one by one is possible if the number of objects is small. If the number of objects to be counted is large, counting is made simpler by grouping the objects.
Total value of a digit in a number shows how much is that digit worth.
For example, the total value of each digit in the number 479 651 is as follows:
Write the total value of 9 in 89 670.
Answer
The total value of 9 in 89 670 is 9 000.
A number is in expanded form if it is written as the sum of the total values of its digits. This form identifies the total value of each digit in the number.
Write down the following numerals in expanded form:
(a) 26 713 (b) 41 023 (c) 129 567
Solution
| Number in numerals | Number in expanded form |
|---|---|
| (a) 26 713 | 20 000 + 6 000 + 700 + 10 + 3 |
| (b) 41 023 | 40 000 + 1 000 + 0 + 20 + 3 |
| (c) 129 567 | 100 000 + 20 000 + 9 000 + 500 + 60 + 7 |
Mwalimu
Unasoma somo hili? Niulize nikuelezee chochote kilichomo.
Ingia ili kumuuliza Mwalimu wa AI wa Sonza kuhusu mada hii.
Ingia ili kuuliza