Arithmetic Flashcards
1
Q
Internet
A
A while number. Negative it positive
2
Q
Fraction
A
Integer divided by a non zero integer
3
Q
Rational number
A
Number that can be written as a ratio of two numbers
4
Q
Irrational numbers
A
Cannot be written as a ratio of two integer (resorting decimals or not perfect squares)
5
Q
Absolute numbers
A
Distance from zero
6
Q
Square root of 2
A
1.41
7
Q
Square root of 3
A
1.73
8
Q
Square root (a x b)
A
Square root a * square root b
9
Q
Odd plus minus odd
Even plus minus even
A
Even
10
Q
Odd plus minus even
A
Odd
11
Q
Odd x odd
A
Odd
12
Q
Even x even
Even x odd
A
Even
13
Q
Divisible by 6
A
If divisbe by 2 and 3
14
Q
Divisbe by 9
A
If the sum of it’s digits is divisible by 9
15
Q
Divisible by 4
A
Divisible by 4 if the last two digits are divisible by 4 (like 1728)