Post Benchmark Skill Review

PEMDAS

100

What does PEMDAS stand for? (In order)

Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction 

200

Solve 5^{2 -} 8 * 2

9

300

Solve (7 * 8 - 4) / (6 - 2)

13

400

Solve, -4 * 6 / 24

-1

500

Solve, (18 + 15 / 5) / (14 - 7)

3

FRACTIONS

100

What is important when adding and subtracting fractions?

LCD - same denominators 

200

10 & 1/9 - 9 & 3/4

13/36

300

Solve, 13 & 4/10 + 9 & 2/10

22 & 3/5

400

Solve, 7/14 * 11/20

11/40

500

2/3 divided by 3/8

1 & 7/9

INTEGERS

100

Answer in order

Negative * Negative = 

Negative * Positive = 

Positive

Negative

200

(-7) + ____ + (-2) = -9

What is the missing addend?

0

300

(-20) - (-22) = 

2

400

(-9)(-5) = 

45

500

(-72) / (-6) * (-2) = 

-24

BOX & WHISKERS

100

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)

200

13, 18, 13, 14, 13, 16, 14, 21, 13

What is the mode?

13

300

3, 6, 10, 2, 1, 15, 23, 44, 12,

What is the range?

43

400

3, 6, 10, 2, 1, 15, 23, 44, 12,

What is the Median? 

10

500

13, 18, 13, 14, 13, 16, 14, 21, 13

What is the mean?

15

PROPORTION

100

What is another word for proportion?

Equivalency, equal, ratio

200

The ratio of tomatoes to red apples is 2:5. If there are 20 tomatoes, how many red apples are there?

50 red apples

300

The ratio of berries to oranges is 10:1. If there are 25 oranges, how many berries are there?

250 berries

400

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

500

What is the missing number?

23/50 = x/200

92