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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