Mathematics Magazine for Grades 1-12  

Grade 7

Theory

Numbers Divisible by 8

Numbers are divisible by 8 if the number formed by the last three individual digits is evenly divisible by 8. For example, the last three digits of the number 3624 is 624, which is evenly divisible by 8 so 3624 is evenly divisible by 8.

Solutions from the Previous Issue:

Simplify the followings:

1.       

Solution:

2.       

Solution:

3.       

Solution:

Proposed Exercises:

Find the greatest common divisor and the least common multiple of the following numbers:

1.        8, 10

2.        12, |-16|

3.        13, 120

4.        |-40|, 400

Read more on the written version of the publication.