What could be the difficulties with using a number system that counts only in groups of a single particular size? Class 8

What could be the difficulties with using a number system that counts only in groups of a single particular size? Class 8

Question 1.

What could be the difficulties with using a number system that counts only in groups of a single particular size? How would you represent a number like 1345 in a system that counts only by 5s? Class 8

Solution:

It would be difficult to have a glance at all the groups of 5. Also, after making the groups of 5, of the given objects, the remaining objects will have to declared separately. As regards 1345 is concerned, it can be divided into 269 groups of 5s and may be counted as 269 fives.

Question 2.

Represent the following numbers in the Roman system. Class 8

(i) 1222

(ii) 2999

(iii) 302

(iv) 715

Solution:

(i) MCCXXII

(ii) MMCMXCIX

(iii) CCCII

(iv) DCCXV