MATH Flashcards

1
Q

Integers

A

Whole positive and negative numbers
No fractions

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

Prime number

A

2 factors only
Itself and 1

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

Composite number

A

Any whole number thats not prime

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

Writing decimals in words

A

0.901 nine hundred one thousandths

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

Prime factor

A

Factor that is also a prime number

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

GCF

A

largest number that is a factor of both numbers
find which numbers appear in both prime factorizations
multiply them together

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

LCM

A

the smallest positive integer that is divisible by both a and b

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

P=

A

P=W x %

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

%=

A

%= P/W

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

W=

A

W=P/%

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

Percent of change

A

Change/original amount x 100%

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

Percent increase

A

Difference/original x 100%

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

Any number to the power of 1

A

Is equal to itself

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

Any number raised to the power of 0 is

A

Equal to 1

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

To multiply powers of the same base number

A

Add exponents

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

To divide powers of same base number

A

Subtract exponents

17
Q

To raise a power to a power

A

Multiple exponents

18
Q

Scientific notation

A

Number positive if moved left, negative if moved right

19
Q

Military time

A

0000 12 am

20
Q

MT

A

2359 hours 11:59pm

21
Q

MT
Convert

A

For a.m times, if time has 3 digits, add 0 to beginning (ex. 8.12 am 0812)
For times between 12 and 1, replace 12 with 00 (ex. 12:41 is 0041)

For p.. times, add 12 to hour number (3.40p.m = 1540) except times btwn 12 and 1 which do not need further change

22
Q

MT
Convert

A

To convert from 24 hour to 12 hour time, at a colon between the second and third digits if the first two digits are less than 12, a.m., otherwise PM if the first two digits are zero the hour becomes 12 AM (ex 0020 becomes 12:20 am)
If only the first digit is zero, remove it (ex. 0730 7:30am)
if the first two digits are greater than 12 subtract 12 (ex 2325 11:25 pm)

23
Q

Roman numerals
I

A

1

24
Q

Roman numerals
V

A

5

25
Q

Roman numerals
X

A

10

26
Q

Roman numerals
L

A

50

27
Q

Roman numerals
C

A

100

28
Q

Roman numerals
D

A

500

29
Q

Roman numerals
M

A

1000

30
Q

Roman numerals
Line over Roman numeral

A

Means value is 1000x its normal value

31
Q
A
32
Q
A
33
Q

Delete

A
34
Q
A