Essential Skills Flashcards

1
Q

Number who’s reciprocal is equal to itself?

A

-1 and +1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What direction to follow when using PEDMAS?

A

Left to right when multiplying and dividing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

1/4 = ?

A

0.25 or 25%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

1/5 = ?

A

0.2 or 20%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

1/6 = ?

A

0.167 or 16.7%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

1/7 = ?

A

0.143 or 14.3%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

1/8 = ?

A

0.125 or 12.5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

1/9 = ?

A

0.111 or 11%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

1/9 = ?

A

0.111 or 11%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

For a positive fraction less than one, adding same constant to numerator and denominator will do what?

A

Make the fraction larger than original.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

If a fraction is more than 1, then adding the same constant to numerator and denominator will do what?

A

Make the fraction smaller.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Subtracting a constant from a positive fraction less than one will do what

A

Make the fraction smaller as long as both the numerator and denominator stay positive.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Subtracting a constant from both numerator and denominator from a fraction greater than one will do what?

A

Make the fraction larger as long as both the numerator and denominator stay positive.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the order of square and square root of a number between 0 and 1?

A

x^2 < x < x^1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

(x-y)/(y-x) = ?

A

-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

HCF(x,y) * LCM(x,y) = ?

A

X *Y

17
Q

Product of “n” consecutive integers is divisible by?

A

N!

18
Q

|a+b| ? |a|+|b|

A

<=

19
Q

if b=/ 0 and |a-b| = |a| - |b| then ‘a’ and ‘b’ must have?

A

Must have same sign and |a| >= |b|

20
Q

If |a + b| = |a| + |b| then ‘a’ and ‘b’ must have?

A

Same sign