Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 17.5 Answer Key Stem-and-Leaf Plots.

## Texas Go Math Grade 4 Lesson 17.5 Answer Key Stem-and-Leaf Plots

**Essential Question**

How do you make stem-and-leaf plots with whole numbers?

Answer:

A **stem-and-leaf plot** is a way of organizing data into a form to easily look at the frequency of different types of values.

Constructing a Stemplot: In a stemplot, each score is broken into two pieces: the stem and leaf. In this example, the tens digits are stems, and the one digits form the leaves. The resulting stemplot produces a distribution of the data similar to a histogram, but all of the data values are retained in a compact form. You can easily see features of the student’s performance from the shape of the stem-and-leaf plot.

Stem and Leaf Plot Example: Suppose that your class had the following test scores: 84, 65, 78, 75, 89, 90, 88, 83, 72, 91, and 90 and you wanted to see at a glance what features were present in the data. You would rewrite the list of scores in order and then use a stem-and-leaf plot. The stems are 6, 7, 8, and 9, corresponding to the tens place of the data. This is listed in a vertical column. The one’s digit of each score is written in a horizontal row to the right of each stem, as follows:

9| 0 0 1

8| 3 4 8 9

7| 2 5 8

6| 2

You can easily read the data from this stemplot. For example, the top row contains the values of 90, 90, and 91. It shows that only three students earned a score in the 90th percentile with scores of 90, 90, and 91. By contrast, four students earned scores in the 80th percentile, with marks of 83, 84, 88, and 89.

**Unlock the Problem**

Henry kept track of the points of each of his words when he played a word game with his friend.

Then he used a stem-and-leaf plot to show the data.

A stem-and-leaf plot shows groups of data arranged by place value.

Make a stem and leaf plot.

Step 1: Group the data by the tens of digits.

Answer:

STEP 2

Order the tens digits from least to greatest. Draw a line.

Answer:

1|

2|

3|

STEP 3

Answer:

STEP 4

Include a title, lables, and a key.

Answer:

1| 5 represents 15 points

1| 9 represents 19 points

2| 2 represents 22 points

2| 2 represents 22 points

2| 7 represents 27 points

3| 1 represents 31 points

3| 3 represents 33 points

**Math Talk**

Mathematical Processes

Explain how a stem-and-leaf, plot uses place value.

Answer:

A Stem and Leaf plot shows a large amount of data in a clear way by listing it in order of place value. It is generally used when data has multi-digit numbers.

**Share and Show**

Question 1.

Use the data in the table to make a stem-and-leaf plot.

Order the data in the table from ____________ to ____________.

The numbers ____________, ____________, ____________ are stems.

The leaves for stem 2 are ____________, ____________, ____________, ____________, ____________.

Complete the stem -and – leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 2, 3, 4 are the stems.

The leaves for stem 2 are 6, 7, 7, 8, 9.

The leaves for stem 3 are 0, 0, 1, 2, 3, 3, 4, 7, 8, 8, 8, 9.

The leaves for stem 4 are 0, 3, 3, 3, 5, 5, 8

2. Draw the vertical line:

2|

3|

4|

3. Fill in the leaves:

2| 7 represents 27 floors

2| 7 represents 27 floors

2| 8 represents 28 floors

2| 9 represents 29 floors

3| 0 represents 30 floors and so on… Likewise need to write all the keys.

Question 2.

Use the data in the Number of Jumps table to make a stern-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 1, 2, 3 are the stems.

The leaves for stem 1 are 0, 1, 2.

The leaves for stem 2 are 0, 2, 5, 6.

The leaves for stem 3 are 1.

2. Draw the vertical line:

1|

2|

3|

3. Fill in the leaves:

1| 0 represents 10 jumps

1| 1 represents 11 jumps

1| 2 represents 12 jumps

2| 0 represents 20 jumps

2|2 represents 22 jumps

2| 5 represents 25 jumps

2| 6 represents 26 jumps

3| 1 represents 31 jumps.

Question 3.

Use the data in the Number of Different Beads table to make a stem-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 1, 2, 3 are the stems.

The leaves for stem 1 are 0, 2, 4.

The leaves for stem 2 are 4, 6.

The leaves for stem 3 are 1, 3, 7.

2. Draw the vertical line:

1|

2|

3|

3. Fill in the leaves:

1| 1 represents 10 beads

1| 2 represents 12 beads

1| 4 represents 14 beads

2| 4 represents 24 beads

2| 6 represents 26 beads

3| 1 represents 31 beads

3| 3 represents 33 beads

3| 7 represents 37 beads.

**Problem Solving**

Question 4.

**H.O.T.** Mike records his bowling scores and puts them in a table. He wants to easily see how many times he bowled in the 90s. Make a stem-and-leaf plot from the data in the table. Explain how Mike used the stein-and-leaf plot to determine how many times he bowled in the 90s.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 6, 7, 8, 9 are the stems. But in the question only asked about the ’90s.

The leaves for stem 6 are 1, 7, 9.

The leaves for stem 7 are 3, 3, 4, 5, 6, 6, 9.

The leaves for stem 8 are 0, 1, 2, 5, 5, 6, 6, 6, 9.

The leaves for stem 9 are 2, 2, 3, 4, 8

2. Draw the vertical line:

6|

7|

8|

9|

3. Fill in the leaves:

Now I am writing only 90’s:

9| 2 represents 92 bowling.

9| 2 represents 92 bowling.

9| 3 represents 93 bowling.

9| 4 represents 94 bowling.

9| 8 represents 98 bowling.

Question 5.

Use Graphs Multi-Step Naomi conducted a science experiment where she recorded the high temperature each day for 24 days. She chose a stem-and-leaf plot to display her data. Make Naomi’s stem-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 6, 7, 8 are the stems.

The leaves for stem 6 are 2, 5, 7, 7, 8.

The leaves for stem 7 are 2, 2, 2, 3, 5, 5, 6, 9, 9.

The leaves for stem 8 are 3, 4, 5, 6, 6, 6, 7, 7, 8, 9.

2. Draw the vertical line:

6|

7|

8|

3. Fill in the leaves:

6| 2 represents 62 temperature.

6| 5 represents 65 temperature.

6| 7 represents 67 temperature.

6| 7 represents 67 temperature.

6| 8 represents 68 temperature.

7| 2 represents 72 temperature.

7| 2 represents 72 temperature.

7| 2 represents 72 temperature.

7| 3 represents 73 temperatures.

7| 5 represents 75 temperature.

7| 5 represents 75 temperature. And so on… continue up to 8| 9.

Question 6.

**H.O.T.** Use Graphs Multi-Step Jenny was asked to make teams based on the height of the students in her class. She recorded the student’s height, in inches, in a table. To more clearly see the different heights, she made a stem-and-leaf plot. Make Jenny’s stein-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 4, 5, 6 are the stems.

The leaves for stem 4 are 8, 9.

The leaves for stem 5 are 0, 2, 4, 4, 5, 5, 6, 7, 8, 9.

The leaves for stem 6 are 0, 0, 0, 1, 2, 3.

2. Draw the vertical line:

4|

5|

6|

3. Fill in the leaves:

4| 8 represents 48 height.

4| 9 represents 49 height.

5| 0 represents 50 height.

5| 2 represents 52 height.

5| 4 represents 54 height and so on… write all the keys up to 6| 3.

Question 7.

**H.O.T.** Use Math Language Explain the steps you would use to make the stem-and-leaf plot from the data in the table. Then make the stem-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 2, 3, 4, 5 are the stems.

The leaves for stem 2 are 2, 4, 4, 6, 9, 9.

The leaves for stem 3 are 0, 0, 2, 5, 6, 7.

The leaves for stem 4 are 1, 1, 4, 7.

The leaves for stem 5 are 5, 5.

2. Draw the vertical line:

2|

3|

4|

5|

3. Fill in the leaves:

2| 2 represents 22 minutes.

2| 4 represents 24 minutes.

2| 4 represents 24 minutes.

2| 6 represents 26 minutes.

2| 9 represents 29 minutes.

2| 9 represents 29 minutes and so on… write the keys up to 5| 5.

**Daily Assessment Task**

**Fill in the bubble completely to show your answer.**

**Use the table for 8-11.**

The data shows the number of jumping jacks completed by 15 students in one minute. Robert is making a stem-and-leaf plot to display the information.

Question 8.

What are the stems for the stem-and-leaf plot?

(A) 3, 5, 6

(B) 0, 3, 4, 5, 9

(C) 3, 4, 5

(D) 0, 1, 2, 3, 5, 8, 9

Answer: Option C is correct.

Explanation:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 3, 4, 5 are the stems.

2. Draw the vertical line:

3|

4|

5|

Question 9.

How many leaves are in the stem-and-leaf plot?

(A) 12

(B) 10

(C) 15

(D) 3

Answer: Option C is correct.

Explanation:

Count all the leaves. There are 15 leaves.

Question 10.

Which could be a key for the stem-and-leaf plot?

(A) 4 | 8 represents 84 jumping jacks.

(B) 3 | 8 represents 38 jumping jacks.

(C) 5 | 0 represents 5 jumping jacks.

(D) 4 | 4 represents 4 jumping jacks.

Answer: Option B is correct.

Explanation:

Option B represents the correct.

**TEX Test Prep**

Question 11.

In the stem-and-leaf plot that Robert is making, which stem would have the most leaves?

(A) 3

(B) 4

(C) 5

(D) 0

Answer: Option C is correct.

Explanation: count all the 50’s: 50, 50, 51, 51, 52, 53, 55, 55.

The numbers 3, 4, 5 are the stems.

3|

4|

5|

For stem 3 the leaves are 8, 9.

For stem 4 the leaves are 2, 4, 4, 5, 8

For stem 5 the leaves are:0, 0, 1, 1, 2, 3, 5, 5.

### Texas Go Math Grade 4 Lesson 17.5 Homework and Practice Answer Key

Question 1.

Use the data in the Daily Temperatures table to make a stein-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 7, 8, 9 are the stems.

The leaves for stem 7 are 9.

The leaves for stem 8 are 4, 8.

The leaves for stem 9 are 1, 2, 5, 5, 6.

2. Draw the vertical line:

7|

8|

9|

3. Fill in the leaves:

7| 9 represents 79 temperature.

8| 4 represents 84 temperature.

8| 8 represents 88 temperature.

9| 1 represents 91 temperatures.

9| 2 represents 92 temperatures.

9| 5 represents 95 temperatures.

9| 5 represents 95 temperatures.

9| 6 represents 96 temperatures.

Question 2.

Use the data in the Minutes Spent Doing Homework table to make a stem-and-leaf plot.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 1, 2, 3 are the stems.

The leaves for stem 1 are 3, 4.

The leaves for stem 2 are 5, 8.

The leaves for stem 3 are 0, 4, 9.

2. Draw the vertical line:

1|

2|

3|

3. Fill in the leaves:

1| 3 represents 13 minutes.

1| 4 represents 14 minutes.

2| 5 represents 25 minutes.

2| 8 represents 28 minutes.

3| 0 represents 30 minutes.

3| 4 represents 34 minutes.

3| 9 represents 39 minutes.

**Problem Solving**

Question 3.

Cade recorded the number of points his team scored in ten basketball games and put them in a table. Make a stem-and-leaf plot from the data.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 2, 3 are the stems.

The leaves for stem 2 are 4, 5, 5, 6, 8, 8.

The leaves for stem 3 are 0, 2, 2, 4.

2. Draw the vertical line:

2|

3|

3. Fill in the leaves:

2| 4 represents 24 points.

2| 5 represents 25 points.

2| 5 represents 25 points.

2| 6 represents 26 points.

2| 8 represents 28 points.

2| 8 represents 28 points.

3| 0 represents 30 points.

3| 2 represents 32 points.

3| 2 represents 32 points.

3| 4 represents 34 points.

Question 4.

The school librarian recorded the total number of books checked out from the library each day for two weeks. She put the data in a table. Make a stern-and-leaf plot from the data.

Answer:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 7, 8, 9 are the stems.

The leaves for stem 7 are 2, 4, 5.

The leaves for stem 8 are 3, 5, 7, 8.

The leaves for stem 9 are 0, 4, 4.

2. Draw the vertical line:

7|

8|

9|

3. Fill in the leaves:

7| 2 represents 72 books.

7| 4 represents 74 books.

7| 5 represents 75 books.

8| 3 represents 83 books.

8| 5 represents 85 books.

8| 7 represents 87 books.

8| 8 represents 88 books.

9| 0 represents 90 books.

9| 4 represents 94 books.

9| 4 represents 94 books.

**Lesson Check**

**Fill in the bubble completely to show your answer.**

**Use the table at right for 5-7.**

The data show the number of hours 16 students exercise in one month. Jen is making a stem-and-leaf plot to display the information.

Question 5.

What are the stems for the stem-and-leaf plot?

(A) 0, 1, 2, 4, 5, 6, 7, 8, 9,

(B) 0, 1, 2, 3, 4

(C) 1, 2, 3, 4

(D) 2, 3, 4

Answer: Option C is correct.

Explanation:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 1, 2, 3, 4 are the stems.

Question 6.

Which stem has the most leaves?

(A) 1

(B) 2

(C) 3

(D) 4

Answer: Option B is correct.

Explanation:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 1, 2, 3, 4 are the stems.

The leaves for stem 1 are 8, 9, 9.

The leaves for stem 2 are 0, 2, 5, 5, 6, 7, 8, 8.

The leaves for stem 3 are 0, 4, 8.

The leaves for stem 4 are 1, 2.

Question 7.

**Multi-Step** How many more leaves are there for 2 than there are for 3 and 4 combined?

(A) 5

(B) 2

(C) 3

(D) 1

Answer: Option C is correct.

Explanation:

1. Determine the largest and smallest number:

Order the data in the table from lowest to greatest.

The numbers 1, 2, 3, 4 are the stems.

The leaves for stem 1 are 8, 9, 9.

The leaves for stem 2 are 0, 2, 5, 5, 6, 7, 8, 8.

The leaves for stem 3 are 0, 4, 8.

The leaves for stem 4 are 1, 2.

The number of more leaves are there for 2 than there are for 3 and 4 combined: 8-5=3.

**Use the table at right for 8-10**

The data show the height of plants grown for Javier’s science experiment. Javier is making a stem-and-leaf plot to display the information.

Question 8.

How many leaves are in the stem-and-leaf plot?

(A) 2

(B) 12

(C) 9

(D) 10

Answer: Option B is correct.

Explanation:

count all the leaves present in the table.

Question 9.

Which could be a key for the stem-and leaf plot?

(A) 2|2 represents 22 inches.

(B) 3|2 represents 23 inches.

(C) 2|1 represents 12 inches.

(D) 2|0 represents 2 inches.

Answer: Option A is correct.

Question 10.

**Multi-Step** How many leaves are in the plot for 12 and 14?

(A) 3

(B) 1

(C) 2

(D) 5

Answer: Option C is correct.

Explanation:

The leaves are on the right side. Now count the leaves.

1| 2

1| 4