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PREPARATION

Print and copy pages 4-12 (for Clue 3 choose page 9 for Imperial Measurement

System OR page 10 for the Metric Measurement System) for your students. You can

do either of the following:

• Combine the pages to form a booklet for each student to work on; OR

• Hand out worksheets as you want students to work on them – please note that

if you choose this option, students will always need the ‘Possible Places List’

page handy.

IMPORTANT: The clues must be completed in the order I have arranged them in i.e.

1-5!

HOW TO USE

Read through the article on page 4 ‘Math Mystery: Case of the Misplaced Pot of

Gold’ to set up the activity and engage students.

Instruct students that they will need to keep referring back to their Possible Places

list after solving each clue.

Students work through each clue, either guided by the teacher or independently

(your choice). After completing a math worksheet, if students completed correctly,

a clue will be revealed. For example: The building shape has no curves. So, in this

example, students then need to go to their places list and cross off any building

shape that has curves.

Once students have correctly completed all of the clues, only one place will

remain and that place is where Leroy McClumsy’s pot of gold is. On page 12, the

teacher ticks off the ‘Well done . . . ‘ box and the student can receive an Award

(provided on page 20). If a student gets the wrong place, tick the box “Oops! Try

again. . . “ and instruct the student to go over their work to see where they went

wrong.

ANSWERS

I have provided answer sheets for all of the clues, as well as where the pot of gold

is! You will find these on pages 13-19.

AWARDS

On page 20 you will find awards that you can print and award to students who

solve the case correctly. I suggest making it a rule that students must complete all

of the questions on each worksheet to be eligible for the award (even if they can

guess what the clue is without finishing the math questions!).

If you need help or have any questions, or notice an error in my work please email me on JJResourceCreations@gmail.com Thanks! ☺

Mrs J’s Resource Creations ©

MATH MYSTERY:

CASE OF The Misplaced pot

of gold!

March 17 _______

There’s been lots of excitement around Mathhattan’s St Patrick’s Day

celebrations. However, a leprechaun, named Leroy McClumsy, is

devastated because he has misplaced his pot of gold!

In an interview with Leroy McClumsy, he stated:

“I’ve been running about Mathhattan getting things ready for St Patrick’s

Day and now I cannot remember where I left my pot of gold!”

Nobody in town has yet reported seeing Leroy McClumsy’s pot of gold.

This looks like it is going to be a case for the Police Department and a

super Math Detective to help poor Leroy find his treasure.

Leroy McClumsy wanted the following statement published for all citizens

to see:

“I would really appreciate anyone’s help to find my pot of gold. I’m going

to be in BIG trouble if it isn’t found, and St Patrick’s Day will be ruined for

me. Please, I am begging that the best math detective help out on this

case!”

MATH DETECTIVE NEEDED TO HELP LEROY MCCLUMSY

The police have gathered some clues after interviewing Leroy McClumsy

and made a list of possible places they suspect Mr McClumsy could have

left it. However, they need a super detective with math skills to help them

solve this case fast. Let’s hope Leroy McClumsy’s pot of gold can be

found!

Mrs J’s Resource Creations ©Name: ________________

Name: _______________________

Possible Places ListMathhattan

Building

Color Content Directional

Position

3D

Shape of

Building

Size

Hospital White Medicine North Rectangular

Prism

Large

Restaurant Red Food West Cube Small

Café Green Food East Cube Small

School Green Books East Square

Pyramid

Medium

Bakery Yellow Food South Cylinder Small

Art Gallery Red Art South Sphere Medium

College Red Books East Rectangular

prism

Large

Supermarket Green Food West Rectangular

Prism

Large

Library Green Books South Rectangular

Prism

Medium

Pharmacy White Medicine West Cylinder Small

Museum Red Art West Triangular

prism

Large

Fruit Shop Green Food North Cube Small

Butcher Red Food East Rectangular

Prism

Small

Doctor’s Office White Medicine North Cube Small

Book Store Green Books North Square

Pyramid

Medium

Candy & Cake

Shop

Yellow Food South Cylinder Small

Solve the clues and then cross the places off the list until one remains! The last place remaining is where Leroy’s pot of gold is!

Mrs J’s Resource Creations ©

255 + _____ = 375O

540 + ____ = 590 94 + _____ = 110

D A

_____ + 250 = 500 _____ + 55 = 200 _____ + 65 = 475

R C W

600 + _____ = 930N

59 + ____ = 130 780 + _____ = 890Y M

_____ + 345 = 380 _____ + 310 = 600 _____ + 311 = 900I L T

460 + _____ = 700H

49 + ____ = 200 215 + _____ = 300E G

102 + _____ = 165

S

Mrs J’s Resource Creations ©

63

120

120

50 50

50

16

16 16

250

250

145

410

330

330

330

71

71

110

35

35 35

290 589

589 589

240

240 240

151

151 151

151 151

85

COMPLETE THE ADDITION SENTENCE - CLUE 1Name: _______________________

Crack the code by solving the missing number. Use your answers to match and place

the letters in the boxes to reveal the first clue. Put the letter in every box that it

matches your answer in (there may be more than one!)

Crack the code by applying the rule to the numbers in each table. Use your answers

to match and place the letters in the boxes to reveal the clue. Put the letter in every

box that it matches your answer in (there may be more than one!)

Rule: multiply by 2, then add 1

n Answer Letter

200 L

150 P

220 O

430 U

188 H

Rule: multiply by 5, then subtract 8

n Answer Letter

100 E

10 D

50 V

200 S

9 T

441

Rule: multiply by 3, then add 2

n Answer Letter

40 N

90 A

300 C

Rule: multiply by 10, then subtract 4

n Answer Letter

66 R

97 B

49 I

23 G

Mrs J’s Resource Creations ©

401

301

861

861

377

377 377

492

492

492

42

242

992 992

992

37

122272 272

902 656

966 486 486 122 226

REVIEW MIXED PATTERN TABLES - CLUE 2Name: _______________________

Leroy described a number of rooms he walked around. Crack the code by working

out the perimeter of each room. Use your answers to find which letter to place inside

each room. Once all complete, a clue will be revealed about the building the pot of

gold is in!

The first one has been done for you.

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Customary Units

15ft

15ft

16

ft

16

ft

62ft

62ft = I

I

28ft

28ft

15

ft

15

ft

86ft = T

20ft

20ft

20

ft20

ft

80ft = I

19ft

19ft

36

ft

36

ft

110ft = S

12ft

12ft

27

ft

27ft

78ft = G

42ft

42ft

9ft

9ft

102ft = R

35ft

35ft

41

ft4

1ft

152ft = E

23ft

23ft

39

ft 39

ft

124ft = E

14ft

14ft

55ft

55

ft

138ft = N

Mrs J’s Resource Creations ©

PERIMETER - CLUE 3Name: _______________________

Leroy described a number of rooms he walked around. Crack the code by working

out the perimeter of each room. Use your answers to find which letter to place inside

each room. Once all complete, a clue will be revealed about the building the pot of

gold is in!

The first one has been done for you.

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Metric Units

15m

15m

16m

16m

62m

62m = I

I

28m

28m

15m

15m

86m = T

20m

20m

20m

20m

80m = I

19m

19m

36m

36m

110m = S

12m

12m

27m

27m

78m = G

42m

42m

9m

9m

102m = R

35m

35m

41

m41m

152m = E

23m

23m

39m 39m

124m = E

14m

14m

55m

55m

138m = N

Mrs J’s Resource Creations ©

PERIMETER - CLUE 3Name: _______________________

Leroy has all of these fractions, but he didn’t keep them in the correct order. The fractions may hold another clue to where he left his pot of gold. Cut out the fractions at the bottom of the page, arrange them from smallest to largest into the empty boxes, and paste them to reveal

something important about the place he left it.

1100

I

196

T

193

W

191

A

189

S

187

N

186

O

184

T

181

A

177

S

175

M

172

A

170

L

166

L

165

O

161

R

156

L

155

A

150

R

144

G

143

E

138

S

135

I

130

Z

129

E

122

D

120

B

117

U

114

I

113

L

110

D

16

I

14

N

12

G

Mrs J’s Resource Creations ©

ORDERING FRACTIONS - CLUE 4Name: _______________________

1,133

- 1,100

______

The answers are jumbled up below with a letter to help crack the code!

Mrs J’s Resource Creations ©

3,054 = N

Discover clue 5 by correctly completing the subtraction algorithms below. Locate your

answer at the bottom and see what letter it matches to write in the box.

4,561

- 2,900

______

2,456

- 2,012

______

9,688

- 4,765

______

5,172

- 3,052

______

3099

- 1,238

______

7,140

- 5,017

______

5,935

- 2,629

______

8,226

- 2,409

______

5,584

- 1,901

______

3,297

- 3,008

______

7,614

- 4,560

______

8,176

- 5,205

______

1,350

- 1,004

______

3,784

- 2,164

______

9,166

- 8,421

______

6,111

- 2,900

______

2,445

- 1,347

______

5,669

- 5,108

______

4,078

- 3,212

______

6,715

- 1,804

______

9,953

- 2,782

______

1,634

- 378

______

4,576

- 2,016

______

8,421

- 6,510

______

2,652

- 1,091

______

3,990

- 3,125

______

5,126

- 1,345

______

7,719

- 1,520

______

4,309

- 3,088

______

6,078

- 4,557

______

3,781 = O745 = P444 = R

1,256 = N3,683 = W1,661= E

4,911 = S1,098 = A2,120 = Y

33 = L2,971 = T

561 = C

6,199 = U2,123 = N1,911 = H5,817 = Y7,171 = I

865 = S

1,221 = T1,861 = O2,560 = T

346 = T3,306 = L1,561 = E

4,923 = O3,211 = L1,521 = H

289 = E1,620 = O

866 = E

SUBTRACTION - CLUE 5Name: _______________________

SOLVE THE MYSTERY:

WHERE IS LEROY MCCLUMSY’S POT OF

GOLD?

Detective _____________________________________

(your name)

Has discovered that Leroy McClumsy’s Pot of

Gold is:

_____________________________________________

Clues Checklist:

Clue 1

Clue 2

Clue 3

Clue 4

Clue 5

Mrs J’s Resource Creations ©

Teacher to check and

tick

Well done you have found Leroy’s pot of gold! He is so happy and will now be able to enjoy St Patrick’s Day!

Oops! No that is not where Leroy’s pot of gold is. Go over, check your clues

and try again.

ANSWER SHEET CLUE 1

L E R O Y D I D N T

G O A N Y W H E R E

T H A T H A S

M E D I C I N E

255 + _____ = 375

O

540 + ____ = 590 94 + _____ = 110

D A

_____ + 250 = 500 _____ + 55 = 200 _____ + 65 = 475

R C

120 50 16

250 145 410

W

600 + _____ = 930330

N

59 + ____ = 130 780 + _____ = 89071 110

Y M

_____ + 345 = 380 _____ + 310 = 600 _____ + 311 = 90035 290 589

I L T

460 + _____ = 700240

H49 + ____ = 200 215 + _____ = 300151 85

E G

102 + _____ = 16563S

All places that have medicine to be crossed off the list.

Mrs J’s Resource Creations ©

63

120

120

50 50

50

16

16 16

250

250

145

410

330

330

330

71

71

110

35

35 35

290 589

589 589

240

240 240

151

151 151

151 151

85

Crack the code by solving the missing number. Use your answers to match and place

the letters in the boxes to reveal the first clue. Put the letter in every box that it

matches your answer in (there may be more than one!)

ANSWER SHEET CLUE 2Crack the code by applying the rule to the numbers in each line. Use your answers to

match and place the letters in the boxes to reveal the first clue. Put the letter in every

box that it matches your answer in (there may be more than one!)

Rule: multiply by 2, then add 1

n Answer Letter

200 401 L

150 301 P

220 441 O

430 861 U

188 377 H

T H E B U I L D I N G

S H A P E H SA N O

C U R V E S

Rule: multiply by 5, then subtract 8

n Answer Letter

100 492 E

10 42 D

50 242 V

200 992 S

9 37 T

441

Rule: multiply by 3, then add 2

n Answer Letter

40 122 N

90 272 A

300 902 C

Rule: multiply by 10, then subtract 4

n Answer Letter

66 656 R

97 966 B

49 486 I

23 226 G

All places that are

shaped like a cylinder or sphere

need to be crossed off

the list.

Mrs J’s Resource Creations ©

401

301

861

861

377

377 377

492

492

492

42

242

992 992

992

37

122272 272

902 656

966 486 486 122 226

ANSWER SHEET CLUE 3Leroy described a number of rooms he walked around. Crack the code by working

out the perimeter of each room. Use your answers to find which letter to place inside

each room. Once all complete, a clue will be revealed about the building the pot of

gold is in!

The first one has been done for you.

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Imperial Units

15ft

15ft

16

ft

16

ft

62ft

62ft = I

I

28ft

28ft

15

ft

15

ft

86ft = T

20ft

20ft

20

ft20

ft

80ft = I

19ft

19ft

36

ft

36

ft

110ft = S

12ft

12ft

27

ft

27ft

78ft = G

42ft

42ft

9ft

9ft

102ft = R

35ft

35ft

41

ft4

1ft

152ft = E

23ft

23ft

39

ft 39

ft

124ft = E

14ft

14ft

55ft

55

ft

138ft = N

T I S

GR

E E N

86ft 80ft 110ft

78ft 102ft 152ft 124ft 138ft

All places that are not the color green need to be crossed off the list.

Mrs J’s Resource Creations ©

ANSWER SHEET CLUE 3Leroy described a number of rooms he walked around. Crack the code by working

out the perimeter of each room. Use your answers to find which letter to place inside

each room. Once all complete, a clue will be revealed about the building the pot of

gold is in!

The first one has been done for you.

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Perimeter:

____________

Metric Units

15m

15m

16m

16m

62m

62m = I

I

28m

28m

15m

15m

86m = T

20m

20m

20m

20m

80m = I

19m

19m

36m

36m

110m = S

12m

12m

27m

27m

78m = G

42m

42m

9m

9m

102m = R

35m

35m

41

m41m

152m = E

23m

23m

39m 39m

124m = E

14m

14m

55m

55m

138m = N

T I S

GR

E E N

86m 80m 110m

78m 102m 152m 124m 138m

All places that are not the color green need to be crossed off the list.

Mrs J’s Resource Creations ©

ANSWER SHEET CLUE 4Leroy has all of these fractions, but he didn’t keep them in the correct

order. The fractions may hold another clue to where he left his pot of gold.

Cut out the fractions at the bottom of the page, arrange them from

smallest to largest into the empty boxes, and paste them to reveal

something important about the place he left it.

1100

I

196

T

193

W

191

A

189

S

187

N

186

O

184

T

181

A

177

S

175

M

172

A

170

L

166

L

165

O

161

R

156

L

155

A

150

R

144

G

143

E

138

S

135

I

130

Z

129

E

122

D

120

B

117

U

114

I

113

L

110

D

16

I

14

N

12

G

All places that are small or large sized need to be crossed off the list.

Mrs J’s Resource Creations ©

1133

1100 -

______

The answers are jumbled up below with a letter to help crack the code!

Mrs J’s Resource Creations ©

3054 = N

ANSWER SHEET CLUE 5Discover clue 5 by correctly completing the subtraction algorithms below. Locate your

answer at the bottom and see what letter it matches to write in the box.

4561

2900 -

______

2456

2012-

______

9688

4765 -

______

5172

3052 -

______

3099

1238 -

______

7140

5017 -

______

5935

2629 -

______

8226

2409 -

______

5584

1901 -

______

3297

3008 -

______

7614

4560 -

______

8176

5205 -

______

1350

1004 -

______

3784

2164 -

______

9166

8421 -

______

6111

2900 -

______

2445

1347 -

______

5669

5108 -

______

4078

3212 -

______

6715

1804 -

______

9953

2782 -

______

1634

378 -

______

4576

2016 -

______

8421

6510 -

______

2652

1091 -

______

3990

3125 -

______

5126

1345 -

______

7719

1520 -

______

4309

3088-

______

6078

4557 -

______

L E R O Y O N L Y

W E N T T O

P L A C E

S

I N

T H E

S

O U T H

Any place not

south needs to be

crossed off. This

should leave the

answer only.

33 1661 444 4923 2120 1861 2123 3306 5817

3683 289 3054 2971 346 1620

745 3211 1098 561 866 4911 7171 1256

2560 1911 1561 865 3781 6199 1221 1521

3781 = O745 = P444 = R

1256 = N3683 = W1661= E

4911 = S1098 = A2120 = Y

33 = L2971 = T561 = C

6199 = U2123 = N1911 = H5817 = Y7171 = I865 = S

1221 = T1861 = O2560 = T346 = T

3306 = L1561 = E

4923 = O3211 = L1521 = H289 = E1620 = O866 = E

Name: _______________________

Places ELIMINATION ListMathhatten

Building

Color Content Directional

Position

3D

Shape of

Building

Size

Hospital White Medicine North Rectangular

Prism

Large

Restaurant Red Food West Cube Small

Café Green Food East Cube Small

School Green Books East Square

Pyramid

Medium

Bakery Yellow Food South Cylinder Small

Art Gallery Red Art South Sphere Medium

College Red Books East Rectangular

prism

Large

Supermarket Green Food West Rectangular

Prism

Large

Library Green Books South Rectangular

Prism

Medium

Pharmacy White Medicine West Cylinder Small

Museum Red Art West Triangular

prism

Large

Fruit Shop Green Food North Cube Small

Butcher Red Food East Rectangular

Prism

Small

Doctor’s Office White Medicine North Cube Small

Book Store Green Books North Square

Pyramid

Medium

Candy & Cake

Shop

Yellow Food South Cylinder Small

On the answer sheets you will find a comment about what needs to be crossed off. Please refer to the color of the font and the color of the shaded rows to show which places have been crossed off from that clue.

ANSWER: THE LIBRARY

Mrs J’s Resource Creations ©

Awarded To:

____________________________

For solving the Math Mystery:

Case of The Misplaced

Pot of Gold

Mrs J’s Resource Creations ©

Awarded To:

____________________________

For solving the Math Mystery:

Case of The Misplaced

Pot of Gold

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