Ratios and proportions
Do the ratios 4/2 and 10/5 form a proportion?
yes
Expression or equation?
10a = 20
equation
If you roll a six- sided dice what is the probability of rolling a one?
1/6
What is the mean?
10 10 9 8 8 10 8
9
What is the opposite of - 2 2/3
2 2/3
Do the ratios 3/1 and 9/4 form a proportion?
no
Expression or equation?
10a + 20
expression
If you flip a coin what is the probability it will land on tails?
1/2
What is the mean?
8 0 3 0 5 2
3
What is the opposite of 4.8
-4.8
Do the ratios 6:4 and 9:6 form a proportion?
yes
Expression or equation?
9 (45 - f)
expression
If you roll a six-sided dice what is the probability of rolling a five?
1/6
What is the median?
6 4 5 4 5 7 5
5
Which sign makes the statement true?
-1.5 ? -1 2/4
<, >, or =
=
Do the ratios 5/3 and 14/9 form a proportion?
no
Expression or equation?
44 = 4 + n
equation
If you have six marbles and 2 are green what is the probability?
2/6
What is the mode?
4 5 5 6 4 4 2 4 5
4
Which sign makes the statement true?
2 ? -2 1/2
<, >, or =
>
Do the ratios 1/4 and 4/5 form a proportion?
no
Expression or equation?
44/n = 4
equation
If you have a spinner that has seven different colors and one of them is pink what is the probability that it will land on pink?
1/7
What is the range?
4 6 9 6 0 8 5
9
What is the sum of -1/2 + 4
3 1/2