Exploring Number Patterns and Data

What is the next number in the sequence: 5, 10, 15, 20, ___?

• 22

• 25

• 30

• 35

Create a stem and leaf plot for the following data set: 23, 25, 27, 32, 34, 36. **Stem and Leaf Plot:** ``` Stem | Leaf 2 | 3, 5, 7 3 | 2, 4, 6 ```

• Stem: 2 | Leaf: 3, 5, 7; Stem: 3 | Leaf: 2, 4, 6

• Stem: 2 | Leaf: 3, 5, 7; Stem: 3 | Leaf: 6, 4, 2

• Stem: 2 | Leaf: 7, 5, 3; Stem: 3 | Leaf: 2, 4, 6

• Stem: 2 | Leaf: 3, 7, 5; Stem: 3 | Leaf: 6, 2, 4

Interpret the following stem and leaf plot: **Stem and Leaf Plot:** ``` Stem | Leaf 4 | 1, 3, 5 5 | 0, 2, 4 ``` What is the smallest number?

• 41

• 43

• 50

• 52

Interpret the following stem and leaf plot: **Stem and Leaf Plot:** ``` Stem | Leaf 6 | 2, 4, 6 7 | 1, 3, 5 ``` What is the largest number?

• 62

• 64

• 75

• 71

What is the median of the following data set: 12, 15, 18, 21, 24?

• 15

• 18

• 21

• 24

Identify the pattern in the sequence: 3, 6, 12, 24, ___.

• 30

• 36

• 48

• 60

Create a stem and leaf plot for the following data set: 45, 47, 49, 52, 54, 56. **Stem and Leaf Plot:** ``` Stem | Leaf 4 | 5, 7, 9 5 | 2, 4, 6 ```

• Stem: 4 | Leaf: 5, 7, 9; Stem: 5 | Leaf: 2, 4, 6

• Stem: 4 | Leaf: 9, 7, 5; Stem: 5 | Leaf: 6, 4, 2

• Stem: 4 | Leaf: 5, 9, 7; Stem: 5 | Leaf: 2, 6, 4

• Stem: 4 | Leaf: 7, 5, 9; Stem: 5 | Leaf: 4, 2, 6

Interpret the following stem and leaf plot: **Stem and Leaf Plot:** ``` Stem | Leaf 8 | 0, 2, 4 9 | 1, 3, 5 ``` What is the range of the data?

• 15

• 20

• 25

• 30

What is the mode of the following data set: 7, 9, 9, 10, 12, 12, 12, 15?

• 9

• 10

• 12

• 15

Identify the next number in the pattern: 1, 4, 9, 16, ___.

• 20

• 25

• 30

• 36