Arithmetic and Fractions Flashcards
1
Q
Every two digit number
A
Can be written as a sum of a 10’ number and the individual number
2
Q
Difference mental math when the units digit is bigger
A
Add the same number to both the terms
3
Q
Difference between two terms
A
Can find it anywhere on the number line
4
Q
Absolute values
A
Distance of x from the 0
5
Q
aBS x-5
A
Distance of X from positive 5; 5 is the center
6
Q
*abs n-30 >20
A
distance between n and 30 is greater than 20: 1 to 9 and 51 to 100
7
Q
PEMDAS
A
MD and AS interchangable