PEMDAS
What does PEMDAS stand for? (In order)
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
What is important when adding and subtracting fractions?
LCD - same denominators
Answer in order
Negative * Negative =
Negative * Positive =
Positive
Negative
What is the difference between the Range and Interquartile Range (IQR)?
Range is for the entire data (whiskers) and IQR is for the box (High median and low median)
What is another word for proportion?
Equivalency, equal, ratio
Solve 52 - 8 * 2
9
10 & 1/9 - 9 & 3/4
13/36
(-7) + ____ + (-2) = -9
What is the missing addend?
0
13, 18, 13, 14, 13, 16, 14, 21, 13
What is the mode?
13
The ratio of tomatoes to red apples is 2:5. If there are 20 tomatoes, how many red apples are there?
50 red apples
Solve (7 * 8 - 4) / (6 - 2)
13
Solve, 13 & 4/10 + 9 & 2/10
22 & 3/5
(-20) - (-22) =
2
3, 6, 10, 2, 1, 15, 23, 44, 12,
What is the range?
43
The ratio of berries to oranges is 10:1. If there are 25 oranges, how many berries are there?
250 berries
-1
Solve, 7/14 * 11/20
11/40
(-9)(-5) =
45
3, 6, 10, 2, 1, 15, 23, 44, 12,
What is the Median?
10
An elementary school has a ratio of 80 sixth graders to 20 pre-kinder students. If there are 6 schools, students are there total?
600 students total, 480 sixth graders and 120 pre-kinder
Solve, (18 + 15 / 5) / (14 - 7)
3
2/3 divided by 3/8
1 & 7/9
(-72) / (-6) * (-2) =
-24
13, 18, 13, 14, 13, 16, 14, 21, 13
What is the mean?
15
What is the missing number?
23/50 = x/200
92