ICSE Class 5 Mathematics — Important Questions 2026

What is the greatest 7-digit number that can be formed using the digits 3, 7, 0, 5, 9, 2, 1 (each digit used only once)?

A number has 7 in the ten lakhs place, 0 in the lakhs place, 4 in the ten thousands place, 3 in the thousands place, 8 in the hundreds place, 5 in the tens place, and 2 in the ones place. What is the number?

Which of the following is the correct expanded form of 27,06,450?

By how much is 60,00,000 greater than 59,99,999?

Using the digits 3, 0, 6, and 4 exactly once, and repeating the digit 3 three times, what is the smallest number that can be formed?

Arrange these four numbers in DESCENDING order and identify which number comes THIRD: 5,67,35,948; 5,62,07,579; 53,74,812; 53,74,264

The numeral for 'Thirty one crore thirty eight lakh sixty two thousand eight hundred' is written incorrectly as 31,38,62,008. What digit is placed incorrectly and in which position?

A number has 9 digits. Its ten-crore digit is 6, crore digit is 0, ten-lakh digit is 4, lakh digit is 5, ten-thousand digit is 3, thousand digit is 8, hundred digit is 2, tens digit is 7, ones digit is 1. What is this number?

The number 62,816,559 is written in the International system. What is its correct number name?

In the International number system, how many digits does each period (after the ones period) consist of?

What is the numeral for 'Five hundred sixty million eight hundred thirty thousand four hundred sixteen' in the International system?

Convert 3,678,475 from the International system to the Indian system. What is its Indian system number name?