Math Review

Multiplication

200

14(7)

98

400

21(9)

189

600

47(52)

2444

800

124(7)

868

1000

435(67)

29145

Division

200

99(1/11)

9

400

124(1/4)

31

600

231(1/7)

33

800

335(1/5)

67

1000

876(1/6)

146

Subtraction

200

127-32

95

400

654-743

- 89

600

980-1381

- 401

800

6587-3924

2663

1000

85032-78950

6082

Central Tendency

200

Find the range of the number set provided

58, 61, 49, 7, 80, 17

73

400

What is the Median and Range for the number set provided?

12, 14, 21, 14, 16, 19, 14, 8, 10, 28

Median = 14

Range = 20

600

Find the Mean and Mode for the number set provided. Round to the nearest tenth if needed.

12, 14, 21, 14, 16, 19, 14, 8, 10, 28

Mean=15.6

Mode= 14

800

What is the Q1 and Q3 for the number set provided

12, 14, 21, 14, 16, 19, 14, 8, 10, 28

Q1= 12

Q3= 19

1000

How do you find the median of a number set ?

Place the numbers in order from least to greatest and find the middle number. If two numbers are in the middle, add them up and divide by two for the median.

Rounding

200

How many decimal places do you have if you round to the hundredth

2

400

Round to the nearest thousandth

305.782939

305.783

600

Round to the nearest hundredth

12.718326

12.72

800

191.47 + 54

Round to the nearest tenth

245.5

1000

Round to the nearest whole number

79.42-75.9

4