General Tips In Math Flashcards
1
Q
Bigger fraction e.g 1/2 or 6/5
A
Cross multiply the fractions, the largest numerator is the bigger fraction
6/5 is bigger
2
Q
Whenever a line crosses two parallel lines, two angles are formed
A
A big one ( greater than 90•) and a small one(less than 90•)
The sum of the two angles must be equal to 180•
3
Q
Tip to find the last missing side in a triangle. E.g 6, 7
A
The last side is between the sum of the two known sides and the difference between the two know sides.
The third side is between 13 and 1
Note: the third side cannot be 13 or 1 or greater than 13 or less than 1
4
Q
0>x>y>1
A
Xy>x
Xy>y
5
Q
Sum of angle in a triangle
A
180
