Essential Skills Flashcards
Number who’s reciprocal is equal to itself?
-1 and +1
What direction to follow when using PEDMAS?
Left to right when multiplying and dividing.
1/4 = ?
0.25 or 25%
1/5 = ?
0.2 or 20%
1/6 = ?
0.167 or 16.7%
1/7 = ?
0.143 or 14.3%
1/8 = ?
0.125 or 12.5%
1/9 = ?
0.111 or 11%
1/9 = ?
0.111 or 11%
For a positive fraction less than one, adding same constant to numerator and denominator will do what?
Make the fraction larger than original.
If a fraction is more than 1, then adding the same constant to numerator and denominator will do what?
Make the fraction smaller.
Subtracting a constant from a positive fraction less than one will do what
Make the fraction smaller as long as both the numerator and denominator stay positive.
Subtracting a constant from both numerator and denominator from a fraction greater than one will do what?
Make the fraction larger as long as both the numerator and denominator stay positive.
What is the order of square and square root of a number between 0 and 1?
x^2 < x < x^1/2
(x-y)/(y-x) = ?
-1