Curriculum›4A›Chapter 9

Chapter 9 — cumulative chapter review

Semester 4A · Chapter 9 · 33 questions

This review integrates every chapter learning objective. Try questions before revealing answers.

Question 1 · graph reading

Using the graph, calculate the signed change from Tue to Thu.

0510152025MonTueWedThuFri
Show answer & reasoning
2

Read the two measurements: 20 − 18 = 2.

Question 2 · construction

Construct a correctly labeled line graph for daily book checkouts: Mon: 14, Tue: 9, Wed: 4, Thu: 23, Fri: 21. State the highest value.

Show answer & reasoning
23

Choose a consistent axis scale from zero to at least 23; plot all five points in weekday order, connect adjacent points, and identify the maximum of 23.

0510152025MonTueWedThuFri14942321
Question 3 · graph reading

What is the total number of observations recorded by the line plot?

1×2×3×4××5×××6×7××8×
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 4 · graph reading

Using the graph, calculate the signed change from Tue to Fri.

0510152025MonTueWedThuFri
Show answer & reasoning
-1

Read the two measurements: 20 − 21 = -1.

Question 5 · construction

Construct a correctly labeled line graph for daily plant height in centimeters: Mon: 5, Tue: 9, Wed: 12, Thu: 21, Fri: 18. State the highest value.

Show answer & reasoning
21

Choose a consistent axis scale from zero to at least 21; plot all five points in weekday order, connect adjacent points, and identify the maximum of 21.

0510152025MonTueWedThuFri59122118
Question 6 · graph reading

What is the total number of observations recorded by the line plot?

1××××2×345××6×××7×8×
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 7 · graph reading

Using the graph, calculate the signed change from Thu to Fri.

05101520MonTueWedThuFri
Show answer & reasoning
0

Read the two measurements: 11 − 11 = 0.

Question 8 · construction

Construct a correctly labeled line graph for daily plant height in centimeters: Mon: 11, Tue: 16, Wed: 14, Thu: 21, Fri: 8. State the highest value.

Show answer & reasoning
21

Choose a consistent axis scale from zero to at least 21; plot all five points in weekday order, connect adjacent points, and identify the maximum of 21.

0510152025MonTueWedThuFri111614218
Question 9 · graph reading

What is the total number of observations recorded by the line plot?

1××2××34××56××7××8××
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 10 · graph reading

Using the graph, calculate the signed change from Tue to Thu.

0510152025MonTueWedThuFri
Show answer & reasoning
5

Read the two measurements: 21 − 16 = 5.

Question 11 · construction

Construct a correctly labeled line graph for daily plant height in centimeters: Mon: 16, Tue: 4, Wed: 7, Thu: 4, Fri: 17. State the highest value.

Show answer & reasoning
17

Choose a consistent axis scale from zero to at least 17; plot all five points in weekday order, connect adjacent points, and identify the maximum of 17.

05101520MonTueWedThuFri1647417
Question 12 · graph reading

What is the total number of observations recorded by the line plot?

12×3×4×5××6×7××××8××
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 13 · graph reading

Using the graph, calculate the signed change from Tue to Fri.

0510152025MonTueWedThuFri
Show answer & reasoning
1

Read the two measurements: 12 − 11 = 1.

Question 14 · construction

Construct a correctly labeled line graph for daily book checkouts: Mon: 12, Tue: 13, Wed: 16, Thu: 14, Fri: 8. State the highest value.

Show answer & reasoning
16

Choose a consistent axis scale from zero to at least 16; plot all five points in weekday order, connect adjacent points, and identify the maximum of 16.

05101520MonTueWedThuFri121316148
Question 15 · graph reading

What is the total number of observations recorded by the line plot?

1××2××3×45×6××××7×8×
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 16 · graph reading

Using the graph, calculate the signed change from Mon to Wed.

0510152025MonTueWedThuFri
Show answer & reasoning
-7

Read the two measurements: 12 − 19 = -7.

Question 17 · construction

Construct a correctly labeled line graph for daily rainfall in millimeters: Mon: 22, Tue: 13, Wed: 10, Thu: 20, Fri: 18. State the highest value.

Show answer & reasoning
22

Choose a consistent axis scale from zero to at least 22; plot all five points in weekday order, connect adjacent points, and identify the maximum of 22.

0510152025MonTueWedThuFri2213102018
Question 18 · graph reading

What is the total number of observations recorded by the line plot?

1××2×34××5×67×××8×××
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 19 · graph reading

Using the graph, calculate the signed change from Wed to Fri.

0510152025MonTueWedThuFri
Show answer & reasoning
5

Read the two measurements: 17 − 12 = 5.

Question 20 · construction

Construct a correctly labeled line graph for daily book checkouts: Mon: 7, Tue: 23, Wed: 21, Thu: 6, Fri: 5. State the highest value.

Show answer & reasoning
23

Choose a consistent axis scale from zero to at least 23; plot all five points in weekday order, connect adjacent points, and identify the maximum of 23.

0510152025MonTueWedThuFri7232165
Question 21 · graph reading

What is the total number of observations recorded by the line plot?

1×23×××4××5××6×7××8×
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 22 · graph reading

Using the graph, calculate the signed change from Wed to Fri.

0510152025MonTueWedThuFri
Show answer & reasoning
-2

Read the two measurements: 14 − 16 = -2.

Question 23 · construction

Construct a correctly labeled line graph for daily book checkouts: Mon: 16, Tue: 20, Wed: 8, Thu: 19, Fri: 13. State the highest value.

Show answer & reasoning
20

Choose a consistent axis scale from zero to at least 20; plot all five points in weekday order, connect adjacent points, and identify the maximum of 20.

0510152025MonTueWedThuFri162081913
Question 24 · graph reading

What is the total number of observations recorded by the line plot?

12××××3××4××5×6×7×8×
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 25 · graph reading

Using the graph, calculate the signed change from Tue to Fri.

0510152025MonTueWedThuFri
Show answer & reasoning
-11

Read the two measurements: 9 − 20 = -11.

Question 26 · construction

Construct a correctly labeled line graph for daily book checkouts: Mon: 14, Tue: 20, Wed: 11, Thu: 23, Fri: 6. State the highest value.

Show answer & reasoning
23

Choose a consistent axis scale from zero to at least 23; plot all five points in weekday order, connect adjacent points, and identify the maximum of 23.

0510152025MonTueWedThuFri142011236
Question 27 · graph reading

What is the total number of observations recorded by the line plot?

1××××××2×3××45×6×7×8
Show answer & reasoning
12

Count the X marks: there are 12 observations.

Question 28 · error analysis

A line graph uses a scale marked at 15 and 35. A student assumes halfway between tick marks must mean one more unit. Explain why that method is unreliable.

Show answer & reasoning
Use the midpoint of the two values

A point halfway between labeled values must represent their arithmetic mean, not a count of printed tick marks.

Question 29 · error analysis

A student draws a line graph for daily readings using unequal vertical tick intervals labeled 0, 5, 20, 25. Explain why this can mislead.

Show answer & reasoning
Use equally spaced numeric increments

The vertical axis must use a consistent numeric scale; unequal steps distort comparisons.

Question 30 · reasoning

A line plot has three X marks above 2 and four X marks above 5. How many observations does it record?

Show answer & reasoning
7

Each X represents one observation; three plus four gives seven.

Question 31 · error analysis

A line graph uses a scale marked at 10 and 35. A student assumes halfway between tick marks must mean one more unit. Explain why that method is unreliable.

Show answer & reasoning
Use the midpoint of the two values

A point halfway between labeled values must represent their arithmetic mean, not a count of printed tick marks.

Question 32 · construction

Construct a correctly labeled line graph for daily plant height in centimeters: Mon: 11, Tue: 15, Wed: 12, Thu: 13, Fri: 12. State the highest value.

Show answer & reasoning
15

Choose a consistent axis scale from zero to at least 15; plot all five points in weekday order, connect adjacent points, and identify the maximum of 15.

05101520MonTueWedThuFri1115121312
Question 33 · graph reading

What is the greatest frequency shown on the line plot?

1×2××34×××××56×××78×
Show answer & reasoning
5

The tallest stack of X marks contains 5 observations.