Lesson+17+by+Kajal


 * ====Instructions==== || ====Example==== || ====Algebra==== ||
 * ====Think of a number==== || ====7==== || ====x==== ||
 * ====Triple it==== || ====21==== || ====3x==== ||
 * ====Add 4==== || ====25==== || ====3x+4==== ||
 * ====Subtract your original number==== || ====18==== || ====3x+4=2x+4==== ||
 * ====Divide it by 2==== || ====9==== || ====x+2==== ||
 * ====Add 1==== || ====10==== || ====x+3==== ||
 * ====Subtract your original number==== || ====3==== || ====x+3-x==== ||

====Then Mr Radonich explained to us that the Casio Mathex was coming up. We might need to get into teams of 4, and possibly have a competition between all of the groups and which ever group does the best gets to go to the actual competition since we're only allowed one group from our class to go. - 19th August====


 * ====Instructions==== || ====Example==== || ====Algebra==== ||
 * ====Think of a number==== || ====2==== || ====x==== ||
 * ====Add 1==== || ====3==== || ====x+1==== ||
 * ====Times it by 3==== || ====9==== || ====3(x+4)==== ||
 * ====Subtract your original number==== || ====7==== || ====2x+3==== ||
 * ====Add 1==== || ====8==== || ====2x+4==== ||
 * ====Divide it by 2==== || ====4==== || ====x+2==== ||
 * ====Subtract 5==== || ====-1==== || ====x-3==== ||
 * ====Add 3==== || ====2==== || ====x+3==== ||

Table:

 * ====T==== || ====3==== || ====4==== || ====5==== ||
 * ====L==== || ====4==== || ====5==== || ====6==== ||