Page 13 - Math Genius C4
P. 13
E:\Working\Orange_Education\Math_Genius_4\Open_Files\Chap-01
\\September 30, 2025 9:37 AM Bharat Arora P-9 Reader _________________________ Date: ___________________74
example 3: Write the numeral and the number name for the numbers shown on the
abacus.
(a) (b) (c)
tth th H T O tth th H T O tth th H T O
Solution: Be Aware
In (b) there is no bead
(a) 14,273 – Fourteen thousand two hundred seventy-three. in the hundreds place.
(b) 63,054 – Sixty-three thousand fifty-four. It represents zero
hundreds. Similarly,
(c) 50,901 – Fifty thousand nine hundred one. there are zero
thousands and zero
6-digit numbers tens in (c).
Now, we know that 99999 is the greatest 5-digit number. Let us add 1 to it.
Greatest 5-digit number + 1 = Smallest 6-digit number
That is 99999 + 1 = 100000
(Greatest 5-digit number) (Smallest 6-digit number)
Thus, on adding 1 to the greatest 5-digit number, we get the smallest 6-digit number.
It is read as one lakh.
Hence, 100000 is the smallest 6-digit number.
To represent 100000 (one lakh) in the place value chart, we need to add one more
place, i.e., the sixth place from the right which represents the ‘lakhs place’ and for
this, we have to introduce a new period called ‘Lakhs’.
Thus, the place value chart for 6-digit numbers has Math Insight
3 periods: Ones, thousands and Lakhs. The lakhs period also has
two places: Lakhs (L) and
Hence, 100000 (one lakh) is represented on the place Ten Lakhs (TL).
value chart as follows:
Periods → Lakhs thousands Ones
Places → Lakhs ten thousands thousands Hundreds tens Ones
(L) (tth) (th) (H) (t) (O)
Values of
Places → 100000 10000 1000 100 10 1
1 0 0 0 0 0
Mathematics-4 11

