The Mystery of the Star Ruby

By Gertrude Chandler Warner

Boxcar Children Book 89

Grades 3-5

About

The Alden children enter a contest when they go visit an old mine and get to search for gems of all kinds. But they run into trouble when Jessie’s star ruby gets stolen.

School grades3–5
Guided reading levelO
Accelerated Reader points2.0

Read one section at a time, then discuss the questions to review understanding. These questions are a starting place for conversation, not a complete test of the chapter.

Chapter 1

Comprehension questions

Where did Grandfather and the children go to extend their vacation?

Page 2 — gem mine

2

What was going on that week at the mine?

Page 4 — A contest

4

Was the mine actually open anymore?

Page 6 — No

6

How do they get the ore if the mine is closed?

Page 8 — Bull doze it in from the creek and around the mine

8

Chapter 2

Comprehension questions

What kind of ruby did Donald find?

Page 15 — Papa Bear ruby

15

What story does Mr. Knight use to rate the size of gems that are found?

Page 17 — The Three Bears

17

What is the Goldilocks size of ruby?

Page 19 — Star ruby

19

What did the children see while taking a walk that night?

Page 23 — Lights over the mountain

23

Chapter 3

Comprehension questions

What did Mr. Knight say the lights were called?

Page 27 — Brown Mountain Lights

27

What were they caused from?

Page 27 — Gases in the mountain

27

Why was Donald grumpy?

Page 32 — He didn’t find any big gems

32

Chapter 4

Comprehension questions

What rock had Violet mined?

Page 34 — Mama Bear ruby

34

Where did Violet put the ruby and its case?

Page 35 — In her backpack

35

When the children were hiking, whose backpack went missing?

Page 39 — Jessie

39

Who has a backpack just like Jessie’s?

Page 44 — Violet

44

Chapter 5

Comprehension questions

Where did the children go with Jonathon to look for gems?

Page 47 — In the creek

47

What did Jonathon do to Benny’s stone?

Page 53 — He dropped it in the creek

53

What happened to the children’s collection of rocks they had found?

Page 54 — Sybil kicked them into the creek

54

What did Henry see while they were creekin’?

Page 55 — somebody in the trees

55

Chapter 6

Comprehension questions

What treasure did Jessie find?

Page 62 — Biggest star ruby that had ever been found at the mine

62

What did Jessie want to do with the money from selling the star ruby?

Page 65 — Buy books for the library that got struck by lightning

65

Why didn’t the children want to tell Grandfather about the note?

Page 66 — He would worry

66

What went missing when the children came in from seeing the lights?

Page 69 — Star ruby

69

Chapter 7

Comprehension questions

Who did Grandfather want to call when he heard about the missing ruby?

Page 71 — Police

71

What was Jonathon doing when the children saw him?

Page 75 — Looking at papers

75

Why did the children think Jonathon could’ve stolen the ruby?

Page 80 — He wants a gem for a ring

80

Was Henry able to stop the person down at the flume?

Page 82 — No

82

Chapter 8

Comprehension questions

What kind of stone did Violet find?

Page 86 — Amethyst

86

Did Sybil’s shirt match the scrap of cloth?

Page 88 — No

88

Where did the children go during the rainstorms?

Page 91 — Flume

91

What did they dig up?

Page 92 — Jessie’s star ruby

92

Chapter 9

Comprehension questions

How did Jonathon and Sybil respond to the children talking about the ruby?

Page 99 — Surprised

99

Where did the children go to look for Donald?

Page 102 — Laundromat

102

Did the torn shirt match the scrap of cloth this time?

Page 103 — Yes

103

Who did the black pouch belong to?

Page 103 — Donald

103

Chapter 10

Comprehension questions

How did the children get out of the locked laundromat?

Page 106 — Benny climbed out the window

106

Who ended up stealing the star ruby?

Page 116 — Donald

116

Who was Donald?

Page 117 — Mr. Knight’s cousin

117

Why was he causing trouble?

Page 117 — He wanted the mine

117

Downloads

All the book’s resources, or just the ones you need, ready to read or print.

Worksheets

Practice sheets with space to write your answers.

Download one reading section

A small printout with all the resources for the selected section.

What to read next

Next in series

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