Mean, Median, Mode, Range

Mean

100

add up all the numbers we’re finding the average of, and then divide by how many numbers there are in that list

Mean

200

56,79,77,48,90,68,79,92,71

Find the Mean

73.3

300

9, 7, 11, 13, 2, 4, 5, 5

Find the mean

7

400

Find the mean in the following numbers: 36, 38, 33, 34, 32, 30, 34, 35

34

500

1, 3, 5, 7, 9, 11, 13, 15, 17, 19

Find the mean

10

Median

100

is often referred to as “the middle”, which is precisely what it is

Median

200

56,79,77,48,90,68,79,92,71

77

300

7, 16, 121, 51, 101, 81, 1, 16, 9, 11, 16

16

400

What is the median in the following numbers: 19, 21, 18, 17, 18, 22, 46

19

500

7, 16, 121, 51, 101, 81, 1, 16, 9, 11, 16

Find the median

16

Mode

100

is the most common value. To find it, look for which value appears most often

Mode

200

56,79,77,48,90,68,79,92,71

Find the mode

79

300

15, 22, 17, 19, 22, 17, 29, 24, 17, 15

Find the mode

17

400

Find the mode in the following numbers: 36, 38, 33, 34, 32, 30, 34, 35, 36, 22, 19, 36, 15, 25, 32, 36

36

500

1, 7, 9, 4, 6, 8, 9 ,1, 3, 4, 7, 22, 45, 36,2, 6, 28, 56, 6

6

Range

100

we subtract the smallest value from the biggest value.

Range

200

56,79,77,48,90,68,79,92,71

44

300

47, 41, 52, 43, 56, 35, 49, 55, 42

Find the Range

21

400

Find the range in the following numbers: 19, 21, 18, 17, 18, 22, 46

29

500

56, 88, 126, 574, 47, 92, 102

527

Bonus!: Properties of Operations

100

Identify the property

7(2+3) 

= 7(2) + 7(3) 

= 14 + 21 = 35

Distributive

200

Identify the property

6 + (2 + 3) = 11

(6 + 2) + 3 = 11

Associative

300

Identify the property:

2 + 0 = 2

Additive Identity Property

400

Identify the Property:

2 x 3 = 6

3 x 2 = 6

Commutative

500

What is the inverse of 16?

1/16