associative property - answer✔(x + y) + z = x + (y + z)
distributive property - answer✔a(b+c)=(a*b)+(a*c)
rational numbers - answer✔"1/4, 2/4, 3/4, 4/4"
division by 0 - answer✔impossible
division by 2 - answer✔even numbers only
division by 3 - answer✔sum of digits must be divisible by 3
division by 4 - answer✔last two digits must be divisible by 4
division by 5 - answer✔ones place must be 5 or 0
division by 6 - answer✔sum of digits must be divisible by both 2 and 3
division by 8 - answer✔last three digits must be divisible by 8
division by 9 - answer✔sum of digits must be divisible by 9
division by 10 - answer✔ones place must be 0
order of operations - answer✔"multiplication or division l-r, addition or subtraction l-r"
multiplying two negative numbers results in... - answer✔positive number
multiplying a positive number and a negative number results in... - answer✔negative number
perimeter - answer✔distance around a figure (linear units)
area - answer✔measures interior of figure (square units)
perimeter of rectangle - answer✔P=2L+2W
perimeter of square - answer✔P=4s
perimeter of triangle - answer✔P=s1+s2+s3
area of rectangle - answer✔l*w
area of a square - answer✔s * s
area of triangle - answer✔1/2bh
diameter of circle - answer✔"2pi r d"
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