Find out how many numbers have two digits, three digits, four digits, and five digits: Class 6
mediumFind out how many numbers have two digits, three digits, four digits, and five digits: Class 6
Question 1.
Find out how many numbers have two digits, three digits, four digits, and five digits: Class 6
Solution:
Table has been filled as required.
| 1-digit numbers From 1-9 | 2-digit numbers From 10-99 | 3-digit numbers From 100-999 | 4-digit numbers From 1,000-9,999 | 5-digit numbers From 10,000-99,999 |
| 9 | 90 | 900 | 9,000 | 90,000 |
Question 2.
Digit sum 14 Class 6
(a) Write other numbers whose digits add up to 14.
(b) What is the smallest number whose digit sum is 14?
(c) What is the largest 5-digit number whose digit sum is 14?
(d) How big a number can you form having the digit sum 14? Can you make an even bigger number?
Solution:
(a) Numbers with digit sum 14 are 59, 95, 86, 149, 167, 347, 1247 and so on.
(b) Such smallest number is 59.
(c) Largest 5-digit number with digit sum 14 is 95000.
(d) We can make a number of any number of digits with digit sum 14. For example, 950000, 9500000, 95000000 and so on. There is no end to it.