🔎 GymnasticsGrade 4Reading: grades 3-4MultiplicationRoundingAdditionSubtractionDivision

The Great Trophy Swap

The biggest event of the year is ruined! Just before the final floor routines, the glittering championship trophy was replaced with a heavy plastic replica. The culprit left chalky footprints leading straight to the locker rooms. We must act fast to crack the codes, analyze the evidence, and rescue the real trophy before the closing ceremony!

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	Gymnastics Event	Signature Gear	Grip Tape Hand	Hair Style	Foil
Dominique	floor tumble	wrist guards	wears grip tape on left hand	space buns	squeaky springboards
Mary Lou	beam balance	grip bag	wears grip tape on right hand	braided bun	shiny gold medals
Carly	trampoline bounce	glitter hairspray	wears grip tape on right hand	braided bun	shiny gold medals
Morgan	bars release	wrist guards	wears grip tape on left hand	space buns	smell of cherry balm
Kara	beam balance	sticky chalk belt	wears grip tape on right hand	braided bun	smell of cherry balm
Konnor	floor tumble	grip bag	wears grip tape on left hand	high ponytail	shiny gold medals
Jade	floor tumble	wrist guards	wears grip tape on left hand	high ponytail	shiny gold medals
Chellsie	floor tumble	wrist guards	wears grip tape on left hand	space buns	shiny gold medals
Sunisa	vault launch	wrist guards	wears grip tape on left hand	space buns	shiny gold medals
Shawn	beam balance	glitter hairspray	wears grip tape on left hand	space buns	shiny gold medals
Gabby	bars release	grip bag	wears grip tape on left hand	high ponytail	smell of cherry balm
Shannon	vault launch	grip bag	wears grip tape on left hand	high ponytail	squeaky springboards
Grace	vault launch	sparkly scrunchie	wears grip tape on left hand	high ponytail	smell of cherry balm
Kerri	floor tumble	sparkly scrunchie	wears grip tape on left hand	space buns	smell of cherry balm
Nastia	trampoline bounce	grip bag	wears grip tape on left hand	high ponytail	squeaky springboards
Laurie	beam balance	grip bag	wears grip tape on left hand	space buns	shiny gold medals
Kayla	vault launch	grip bag	wears grip tape on left hand	space buns	shiny gold medals
Jordan	beam balance	grip bag	wears grip tape on right hand	space buns	shiny gold medals
Shilese	trampoline bounce	wrist guards	wears grip tape on left hand	braided bun	squeaky springboards
Aly	bars release	sparkly scrunchie	wears grip tape on left hand	braided bun	shiny gold medals
Simone	floor tumble	sticky chalk belt	wears grip tape on left hand	braided bun	shiny gold medals

Clue 1

Multiplication facts (1-12)

We find a gym bag with rows of identical grip rollers. If we multiply the rows by the rollers in each row, we can open the bag's lock and find a clue!

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

144

6 × 11 =T

12 × 12 =Y

10 × 7 =E

10 × 9 =D

3 × 7 =P

1 × 5 =R

9 × 9 =U

8 × 8 =H

1 × 1 =L

2 × 9 =O

8 × 7 =I

9 × 11 =C

1 × 4 =G

11 × 2 =A

6 × 9 =S

8 × 12 =N

0/16 letters found

Clue 2

Rounding

The scoreboard screen is flickering and only displays the team score rounded to the nearest ten. We need to estimate the real score to unlock the security camera!

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

230

500

3000

430

700

110

2000

1100

4300

1700

430

1700

500

9000

4300

300

500

2000

430

700

500

370

230

430

Round 227 to the nearest tenL

Round 431 to the nearest tenT

Round 459 to the nearest hundredE

Round 347 to the nearest hundredK

Round 8,789 to the nearest thousandM

Round 4,284 to the nearest hundredR

Round 1,661 to the nearest thousandD

Round 48 to the nearest tenI

Round 672 to the nearest hundredH

Round 1,061 to the nearest hundredG

Round 1,738 to the nearest hundredP

Round 19 to the nearest tenU

Round 31 to the nearest tenA

Round 111 to the nearest tenN

Round 2,816 to the nearest thousandF

Round 366 to the nearest tenV

0/16 letters found

Clue 3

Addition

Let us count the colorful leotards packed in the team crates. Adding the counts from both bins will give us the total and reveal a dropped note!

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

2841

6711

4369

6900

5089

3465

2841

9896

4474

9730

2841

7542

5087

6455

2841

4369

9896

7836

6900

9730

6711

4474

8019

6900

5089

3465

6277

9896

9775

4369

9896

5087

6277

9730

1560 + 1281 =T

3460 + 6436 =D

1523 + 1942 =O

4862 + 3157 =N

3878 + 5897 =M

2633 + 5203 =B

2046 + 4231 =L

3935 + 2965 =Y

3016 + 1353 =E

3139 + 1948 =A

5217 + 2325 =R

2011 + 3078 =G

3958 + 5772 =S

4316 + 2139 =C

1377 + 3097 =I

2756 + 3955 =H

0/16 letters found

Clue 4

Subtraction

The equipment manager noticed some heavy gym mats are missing from the stack. Subtracting the current mats from yesterday's total helps us track the thief's escape!

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

1344

4902

8466

7894

4964

4691

2651

4691

5059

5743

3276

8122

6907

1788

4964

1742

6726

2368

3276

1723

6907

3276

5059

2368

7894

2837

4964

5743

6907

7894

1525 - 181 =G

3891 - 2103 =C

9969 - 3243 =U

10391 - 3484 =A

10992 - 2526 =I

4025 - 2302 =W

8159 - 2416 =M

9611 - 4920 =R

6100 - 3732 =N

5978 - 3141 =H

5713 - 2437 =S

5806 - 747 =O

3049 - 398 =F

11964 - 3842 =P

6611 - 1709 =L

10296 - 2402 =T

6360 - 4618 =B

7268 - 2304 =E

0/18 letters found

Clue 5

Division facts (1-12) — the last clue

We have a pile of shiny hair clips to distribute equally among the gymnastics teams. Splitting them into equal groups tells us which lockers to search!

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

36 ÷ 9 = ?

24 ÷ 3 = ?

66 ÷ 6 = ?

27 ÷ 3 = ?

3 ÷ 1 = ?

49 ÷ 7 = ?

6 ÷ 6 = ?

25 ÷ 5 = ?

132 ÷ 11 = ?

6 ÷ 3 = ?

42 ÷ 7 = ?

Step 2 — cross out the sentence with each answer

1.The villain swung high off the uneven bars, then zipped up a pink grip bag.

2.The villain bounced high on the trampoline, then sprayed a cloud of glitter hairspray.

3.The villain swung high off the uneven bars, then spilled a sticky chalk belt.

4.The villain leaped off the vaulting horse, then adjusted a pair of thick wrist guards.

5.The villain balanced perfectly on the high beam, then spilled a sticky chalk belt.

6.The villain balanced perfectly on the high beam, then sprayed a cloud of glitter hairspray.

7.The villain swung high off the uneven bars, then sprayed a cloud of glitter hairspray.

8.The villain leaped off the vaulting horse, then zipped up a pink grip bag.

9.The villain swung high off the uneven bars, then dropped a sparkly scrunchie behind the bench.

10.The villain balanced perfectly on the high beam, then zipped up a pink grip bag.

11.The villain flipped across the blue floor mat, then adjusted a pair of thick wrist guards.

12.The villain leaped off the vaulting horse, then dropped a sparkly scrunchie behind the bench.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Great Trophy Swap

Culprit: Laurie (beam balance · grip bag · wears grip tape on left hand · space buns · shiny gold medals)

Clue 1 (Multiplication facts (1-12)): "THE SNATCHER DOES NOT USE GLITTER HAIRSPRAY"
6 × 11 = 66 (T) · 12 × 12 = 144 (Y) · 10 × 7 = 70 (E) · 10 × 9 = 90 (D) · 3 × 7 = 21 (P) · 1 × 5 = 5 (R) · 9 × 9 = 81 (U) · 8 × 8 = 64 (H) · 1 × 1 = 1 (L) · 2 × 9 = 18 (O) · 8 × 7 = 56 (I) · 9 × 11 = 99 (C) · 1 × 4 = 4 (G) · 11 × 2 = 22 (A) · 6 × 9 = 54 (S) · 8 × 12 = 96 (N)
Clue 2 (Rounding): "LEFT HAND GRIP TAPE MARKED THE VAULT"
Round 227 to the nearest ten = 230 (L) · Round 431 to the nearest ten = 430 (T) · Round 459 to the nearest hundred = 500 (E) · Round 347 to the nearest hundred = 300 (K) · Round 8,789 to the nearest thousand = 9000 (M) · Round 4,284 to the nearest hundred = 4300 (R) · Round 1,661 to the nearest thousand = 2000 (D) · Round 48 to the nearest ten = 50 (I) · Round 672 to the nearest hundred = 700 (H) · Round 1,061 to the nearest hundred = 1100 (G) · Round 1,738 to the nearest hundred = 1700 (P) · Round 19 to the nearest ten = 20 (U) · Round 31 to the nearest ten = 30 (A) · Round 111 to the nearest ten = 110 (N) · Round 2,816 to the nearest thousand = 3000 (F) · Round 366 to the nearest ten = 370 (V)
Clue 3 (Addition): "THEY GOT DISTRACTED BY SHINY GOLD MEDALS"
1560 + 1281 = 2841 (T) · 3460 + 6436 = 9896 (D) · 1523 + 1942 = 3465 (O) · 4862 + 3157 = 8019 (N) · 3878 + 5897 = 9775 (M) · 2633 + 5203 = 7836 (B) · 2046 + 4231 = 6277 (L) · 3935 + 2965 = 6900 (Y) · 3016 + 1353 = 4369 (E) · 3139 + 1948 = 5087 (A) · 5217 + 2325 = 7542 (R) · 2011 + 3078 = 5089 (G) · 3958 + 5772 = 9730 (S) · 4316 + 2139 = 6455 (C) · 1377 + 3097 = 4474 (I) · 2756 + 3955 = 6711 (H)
Clue 4 (Subtraction): "GLITTER FROM SPACE BUNS WAS ON THE MAT"
1525 - 181 = 1344 (G) · 3891 - 2103 = 1788 (C) · 9969 - 3243 = 6726 (U) · 10391 - 3484 = 6907 (A) · 10992 - 2526 = 8466 (I) · 4025 - 2302 = 1723 (W) · 8159 - 2416 = 5743 (M) · 9611 - 4920 = 4691 (R) · 6100 - 3732 = 2368 (N) · 5978 - 3141 = 2837 (H) · 5713 - 2437 = 3276 (S) · 5806 - 747 = 5059 (O) · 3049 - 398 = 2651 (F) · 11964 - 3842 = 8122 (P) · 6611 - 1709 = 4902 (L) · 10296 - 2402 = 7894 (T) · 6360 - 4618 = 1742 (B) · 7268 - 2304 = 4964 (E)
Clue 5 (Division facts (1-12)): surviving statement (box 10) → Laurie
36 ÷ 9 = 4 · 24 ÷ 3 = 8 · 66 ÷ 6 = 11 · 27 ÷ 3 = 9 · 3 ÷ 1 = 3 · 49 ÷ 7 = 7 · 6 ÷ 6 = 1 · 25 ÷ 5 = 5 · 132 ÷ 11 = 12 · 6 ÷ 3 = 2 · 42 ÷ 7 = 6

About this mystery

Grade level: Grade 4 math
Math topics: Multiplication, Rounding, Addition, Subtraction, Division
Reading level: grades 3-4
Theme: The Great Trophy Swap — set in The Flip-Tastic Gymnastics Arena
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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