Perhaps the problem may be that we live in Canada where the level of math required for grade 8 students is higher than where you may be currently residing. The text book is published by Nelson call...

1. Közösség
2. Study Group
3. Square roots of really large numbers

That was an interesting link, however simplifying a 2 digit root is not really helpful when the number is in the millions and calculators are not allowed to be used. 

1. Közösség
2. Study Group
3. Square roots of really large numbers

This problem is at a grade 8 level, triganomity is mot taught till high school. Just wish I could see a video where this is explained in detail.

1. Közösség
2. Study Group
3. Square roots of really large numbers

Yes I understand. The problem being is the part in the question that says "show your work". I would have to say calculators are not allowed in the test.

1. Közösség
2. Study Group
3. Square roots of really large numbers