🐶 A pencil box that looks likeGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Mystery of the Fluffy Jiggle Dog

Someone snagged Jiggle Dog, the fluffiest pencil box in Room 4B! Solve the math clues to catch the thief and save Jiggle Dog.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play

Name	Trick	Tool	Glove Hand	Fur Color	Fear
Scrappy Nora	Fluff Blast	Sticker Shield	Right Glove	Brown Fur	Flea Combs
Spotty Sean	Fluff Blast	Ruler Strike	Right Glove	Golden Fur	Squeaky Toys
Leash Leo	Furry Dash	Gel Pen Beam	Left Glove	Brown Fur	Flea Combs
Shedding Seth	Bark Shield	Eraser Cloud	Right Glove	Golden Fur	Squeaky Toys
Bouncy Bruno	Bark Shield	Eraser Cloud	Right Glove	Brown Fur	Squeaky Toys
Rover Rachel	Bark Shield	Gel Pen Beam	Right Glove	Brown Fur	Squeaky Toys
Yapping Mia	Fluff Blast	Eraser Cloud	Right Glove	Golden Fur	Squeaky Toys
Fluffy Frank	Squeaky Tail	Crayon Cannon	Right Glove	Spotted Fur	Pencil Sharpeners
Wiggle Will	Bark Shield	Gel Pen Beam	Right Glove	Golden Fur	Flea Combs
Collar Caleb	Squeaky Tail	Sticker Shield	Right Glove	Golden Fur	Squeaky Toys
Paws Sam	Bark Shield	Ruler Strike	Right Glove	Golden Fur	Flea Combs
Fido Felix	Sticky Paw	Crayon Cannon	Left Glove	Brown Fur	Flea Combs
Tailor Toby	Furry Dash	Sticker Shield	Right Glove	Golden Fur	Squeaky Toys
Padding Piper	Fluff Blast	Ruler Strike	Right Glove	Brown Fur	Pencil Sharpeners
Cuddly Clara	Bark Shield	Crayon Cannon	Left Glove	Spotted Fur	Pencil Sharpeners
Puppy Parker	Fluff Blast	Sticker Shield	Left Glove	Golden Fur	Squeaky Toys
Furry Fiona	Squeaky Tail	Crayon Cannon	Left Glove	Golden Fur	Pencil Sharpeners
Fetch Freya	Bark Shield	Eraser Cloud	Left Glove	Brown Fur	Flea Combs
Barking Ben	Bark Shield	Crayon Cannon	Right Glove	Golden Fur	Flea Combs
Mutt Max	Squeaky Tail	Gel Pen Beam	Left Glove	Brown Fur	Squeaky Toys
Howling Holly	Fluff Blast	Sticker Shield	Left Glove	Golden Fur	Flea Combs

Clue 1

Rounding

The supply room scanner only shows rounded numbers on its screen.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

130

2300

5000

9000

2000

230

9000

3000

300

290

110

3000

290

130

4300

110

370

4300

2000

370

110

130

370

9000

Round 133 to the nearest tenT

Round 9,492 to the nearest thousandI

Round 112 to the nearest tenS

Round 21 to the nearest tenE

Round 2,255 to the nearest hundredH

Round 293 to the nearest tenO

Round 5,490 to the nearest thousandV

Round 2,109 to the nearest thousandL

Round 371 to the nearest tenR

Round 52 to the nearest tenK

Round 2,605 to the nearest thousandN

Round 230 to the nearest tenA

Round 4,306 to the nearest hundredU

Round 340 to the nearest hundredD

0/14 letters found

Clue 2

Addition

You add up all the stray dog treats left near the desk.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

8053

7682

8696

9075

6219

3459

9051

8053

4198

7682

3706

5449

8696

3706

8994

8045

7792

6219

8045

9075

3459

4916

3459

6132

6219

2787

8696

2961 + 5092 =W

5302 + 3692 =L

5187 + 2858 =O

1727 + 3722 =H

2220 + 3912 =P

3777 + 2442 =E

1460 + 1327 =C

1253 + 2206 =S

4973 + 2819 =V

1740 + 2458 =R

5002 + 2680 =I

2974 + 6077 =A

4645 + 4051 =T

6269 + 2806 =N

2091 + 1615 =G

1546 + 3370 =U

0/16 letters found

Clue 3

Subtraction

You subtract the missing pencils from the total inventory count.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

7788

6027

4934

3106

6027

1851

5688

4934

2967

1432

5688

6422

5815

6620

1432

1014

7243

2967

3106

2399

2367

1381

5815

2367

1432

11085 - 3297 =V

3896 - 929 =E

3564 - 2132 =S

3141 - 35 =A

7416 - 2482 =L

2012 - 161 =N

9791 - 3976 =O

9965 - 3938 =I

6808 - 188 =M

2955 - 1941 =Q

8259 - 1837 =R

2388 - 1007 =T

8747 - 1504 =U

9490 - 3802 =F

4818 - 2451 =Y

3851 - 1452 =K

0/16 letters found

Clue 4

Multiplication facts (1-12)

You multiply the rows of cubbies to find where the culprit hid.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

100

3 × 9 =G

1 × 1 =T

10 × 7 =S

8 × 11 =E

12 × 6 =F

5 × 7 =N

2 × 3 =D

12 × 5 =O

10 × 10 =L

7 × 1 =A

9 × 11 =R

3 × 12 =U

1 × 10 =C

0/13 letters found

Clue 5

Division facts (1-12) — the last clue

You divide the chew toys into equal piles to track footprints.

First solve each problem. Then find each answer in the list below and cross that sentence out. One sentence will be left — that's exactly what the villain did!

Step 1 — solve these

56 ÷ 7 = ?

99 ÷ 11 = ?

48 ÷ 8 = ?

63 ÷ 9 = ?

5 ÷ 1 = ?

8 ÷ 8 = ?

40 ÷ 4 = ?

32 ÷ 8 = ?

121 ÷ 11 = ?

132 ÷ 11 = ?

14 ÷ 7 = ?

Step 2 — cross out the sentence with each answer

1.The villain used sticky paw to grab the box, then blasted a gel pen beam.

2.The villain used bark shield to block the desk guard, then fired a crayon cannon.

3.The villain used bark shield to block the desk guard, then dropped an eraser cloud.

4.The villain used squeaky tail to create confusion, then swung with ruler strike.

5.The villain used bark shield to block the desk guard, then swung with ruler strike.

6.The villain used fluff blast to create a dust cloud, then dropped an eraser cloud.

7.The villain used fluff blast to create a dust cloud, then defended with sticker shield.

8.The villain used squeaky tail to create confusion, then defended with sticker shield.

9.The villain used furry dash to zoom past the cubbies, then defended with sticker shield.

10.The villain used bark shield to block the desk guard, then blasted a gel pen beam.

11.The villain used furry dash to zoom past the cubbies, then swung with ruler strike.

12.The villain used sticky paw to grab the box, then fired a crayon cannon.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Mystery of the Fluffy Jiggle Dog

Culprit: Shedding Seth (Bark Shield · Eraser Cloud · Right Glove · Golden Fur · Squeaky Toys)

Clue 1 (Rounding): "THE VILLAIN DOES NOT USE RULER STRIKE"
Round 133 to the nearest ten = 130 (T) · Round 9,492 to the nearest thousand = 9000 (I) · Round 112 to the nearest ten = 110 (S) · Round 21 to the nearest ten = 20 (E) · Round 2,255 to the nearest hundred = 2300 (H) · Round 293 to the nearest ten = 290 (O) · Round 5,490 to the nearest thousand = 5000 (V) · Round 2,109 to the nearest thousand = 2000 (L) · Round 371 to the nearest ten = 370 (R) · Round 52 to the nearest ten = 50 (K) · Round 2,605 to the nearest thousand = 3000 (N) · Round 230 to the nearest ten = 230 (A) · Round 4,306 to the nearest hundred = 4300 (U) · Round 340 to the nearest hundred = 300 (D)
Clue 2 (Addition): "WITNESS SAW RIGHT GLOVE ON SUSPECT"
2961 + 5092 = 8053 (W) · 5302 + 3692 = 8994 (L) · 5187 + 2858 = 8045 (O) · 1727 + 3722 = 5449 (H) · 2220 + 3912 = 6132 (P) · 3777 + 2442 = 6219 (E) · 1460 + 1327 = 2787 (C) · 1253 + 2206 = 3459 (S) · 4973 + 2819 = 7792 (V) · 1740 + 2458 = 4198 (R) · 5002 + 2680 = 7682 (I) · 2974 + 6077 = 9051 (A) · 4645 + 4051 = 8696 (T) · 6269 + 2806 = 9075 (N) · 2091 + 1615 = 3706 (G) · 1546 + 3370 = 4916 (U)
Clue 3 (Subtraction): "VILLAIN FLEES FROM SQUEAKY TOYS"
11085 - 3297 = 7788 (V) · 3896 - 929 = 2967 (E) · 3564 - 2132 = 1432 (S) · 3141 - 35 = 3106 (A) · 7416 - 2482 = 4934 (L) · 2012 - 161 = 1851 (N) · 9791 - 3976 = 5815 (O) · 9965 - 3938 = 6027 (I) · 6808 - 188 = 6620 (M) · 2955 - 1941 = 1014 (Q) · 8259 - 1837 = 6422 (R) · 2388 - 1007 = 1381 (T) · 8747 - 1504 = 7243 (U) · 9490 - 3802 = 5688 (F) · 4818 - 2451 = 2367 (Y) · 3851 - 1452 = 2399 (K)
Clue 4 (Multiplication facts (1-12)): "GOLDEN FUR STRANDS LEFT AT SCENE"
3 × 9 = 27 (G) · 1 × 1 = 1 (T) · 10 × 7 = 70 (S) · 8 × 11 = 88 (E) · 12 × 6 = 72 (F) · 5 × 7 = 35 (N) · 2 × 3 = 6 (D) · 12 × 5 = 60 (O) · 10 × 10 = 100 (L) · 7 × 1 = 7 (A) · 9 × 11 = 99 (R) · 3 × 12 = 36 (U) · 1 × 10 = 10 (C)
Clue 5 (Division facts (1-12)): surviving statement (box 3) → Shedding Seth
56 ÷ 7 = 8 · 99 ÷ 11 = 9 · 48 ÷ 8 = 6 · 63 ÷ 9 = 7 · 5 ÷ 1 = 5 · 8 ÷ 8 = 1 · 40 ÷ 4 = 10 · 32 ÷ 8 = 4 · 121 ÷ 11 = 11 · 132 ÷ 11 = 12 · 14 ÷ 7 = 2

About this mystery

Grade level: Grade 4 math
Math topics: Rounding, Addition, Subtraction, Multiplication, Division
Reading level: grades 3-4
Theme: The Mystery of the Fluffy Jiggle Dog — set in Room 4B Supply Closet
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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