The Case of the Missing Golden Retriever
Someone unlocked the playpen at Oakridge Animal Shelter and ran off with Barnaby, the star golden retriever puppy! Detective, analyze the clues left around the park to track down the thief and rescue Barnaby.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Puppy Lure | Disguise Gear | Dominant Hand | Hairstyle | Weakness |
|---|---|---|---|---|---|
| Janitor Joe | bacon chew strip | oversized trench coat | left handed | braided blonde hair | sudden spray bottle |
| Mayor Higgins | bacon chew strip | padded knee pads | left handed | curly auburn hair | sudden spray bottle |
| Farmer Fred | bacon chew strip | bright yellow rain hat | left handed | braided blonde hair | loud dog whistle |
| Driver Dan | squeaky rubber duck | reflective runner vest | right handed | curly auburn hair | sudden spray bottle |
| Chef Chloe | squeaky rubber duck | padded knee pads | left handed | braided blonde hair | sudden spray bottle |
| Inspector Ian | fleece tug rope | bright yellow rain hat | right handed | straight black hair | loud dog whistle |
| Walker Will | fleece tug rope | reflective runner vest | right handed | braided blonde hair | noisy rustling bag |
| Trainer Toby | peanut butter pouch | padded knee pads | left handed | curly auburn hair | sudden spray bottle |
| Warden Wade | peanut butter pouch | reflective runner vest | left handed | curly auburn hair | sudden spray bottle |
| Baker Brenda | fleece tug rope | padded knee pads | left handed | curly auburn hair | sudden spray bottle |
| Reporter Rosa | bacon chew strip | heavy leather gloves | left handed | curly auburn hair | sudden spray bottle |
| Agent Alex | bacon chew strip | bright yellow rain hat | left handed | curly auburn hair | loud dog whistle |
| Officer Pete | fleece tug rope | bright yellow rain hat | right handed | curly auburn hair | sudden spray bottle |
| Ranger Rita | bacon chew strip | reflective runner vest | right handed | curly auburn hair | loud dog whistle |
| Captain Cole | bacon chew strip | heavy leather gloves | right handed | braided blonde hair | sudden spray bottle |
| Groomer Gary | squeaky rubber duck | oversized trench coat | right handed | curly auburn hair | sudden spray bottle |
| Florist Faye | laser pointer toy | heavy leather gloves | left handed | straight black hair | noisy rustling bag |
| Teacher Tara | squeaky rubber duck | reflective runner vest | right handed | curly auburn hair | loud dog whistle |
| Nurse Clara | fleece tug rope | bright yellow rain hat | right handed | braided blonde hair | sudden spray bottle |
| Vet Vanessa | squeaky rubber duck | padded knee pads | right handed | braided blonde hair | loud dog whistle |
| Pilot Paul | peanut butter pouch | padded knee pads | left handed | braided blonde hair | noisy rustling bag |
Multiplication facts (1-12)
To figure out how many kibble bags were moved, multiply the rows of shelves by the bags per row.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Rounding
The digital scale registered the puppy crate weight, but the monitor rounds every number to the nearest ten.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Addition
We added up the supply logs from the front desk and the back kennel to see how many leashes were missing.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Subtraction
By subtracting the remaining tennis balls from the original box total, we tracked the thief's escape path.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Division facts (1-12) — the last clue
The security team divided the treats equally among the search dogs to keep everyone energized.
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!
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Golden Retriever
- Clue 1 (Multiplication facts (1-12)): "THE CULPRIT DID NOT WEAR HEAVY LEATHER GLOVES"7 × 10 = 70 (T) · 1 × 12 = 12 (N) · 7 × 5 = 35 (A) · 7 × 11 = 77 (G) · 9 × 7 = 63 (L) · 11 × 9 = 99 (I) · 6 × 10 = 60 (V) · 9 × 8 = 72 (E) · 4 × 8 = 32 (O) · 7 × 1 = 7 (D) · 9 × 6 = 54 (H) · 2 × 4 = 8 (R) · 2 × 1 = 2 (C) · 11 × 4 = 44 (W) · 9 × 12 = 108 (U) · 5 × 8 = 40 (P) · 4 × 1 = 4 (S) · 7 × 7 = 49 (Y)
- Clue 2 (Rounding): "WITNESSES SAW A LEFT HANDED PERSON LEAVING"Round 669 to the nearest hundred = 700 (W) · Round 288 to the nearest ten = 290 (S) · Round 3,730 to the nearest hundred = 3700 (R) · Round 2,948 to the nearest hundred = 2900 (D) · Round 28 to the nearest ten = 30 (N) · Round 934 to the nearest hundred = 900 (H) · Round 374 to the nearest ten = 370 (L) · Round 8,821 to the nearest thousand = 9000 (T) · Round 19 to the nearest ten = 20 (I) · Round 49 to the nearest ten = 50 (E) · Round 1,674 to the nearest hundred = 1700 (F) · Round 4,316 to the nearest hundred = 4300 (V) · Round 433 to the nearest ten = 430 (O) · Round 2,348 to the nearest hundred = 2300 (A) · Round 113 to the nearest ten = 110 (G) · Round 5,077 to the nearest thousand = 5000 (P)
- Clue 3 (Addition): "THE SUSPECT WAS STOPPED BY A SPRAY BOTTLE"2682 + 1676 = 4358 (T) · 1789 + 2487 = 4276 (W) · 1524 + 2140 = 3664 (C) · 3564 + 3149 = 6713 (B) · 1832 + 2096 = 3928 (P) · 1521 + 773 = 2294 (H) · 1295 + 2954 = 4249 (D) · 3462 + 4995 = 8457 (U) · 1008 + 1226 = 2234 (E) · 3589 + 4430 = 8019 (R) · 765 + 1611 = 2376 (Y) · 3523 + 3183 = 6706 (O) · 938 + 1161 = 2099 (L) · 6093 + 2977 = 9070 (S) · 3859 + 5045 = 8904 (A)
- Clue 4 (Subtraction): "STRANDS OF CURLY AUBURN HAIR WERE ON THE LATCH"7557 - 4173 = 3384 (S) · 7862 - 3356 = 4506 (F) · 2109 - 6 = 2103 (D) · 10219 - 2206 = 8013 (B) · 10257 - 3902 = 6355 (U) · 7323 - 4301 = 3022 (I) · 4154 - 1884 = 2270 (A) · 7896 - 742 = 7154 (T) · 3506 - 631 = 2875 (R) · 8131 - 409 = 7722 (E) · 6239 - 1310 = 4929 (H) · 3823 - 1349 = 2474 (W) · 7664 - 4214 = 3450 (C) · 10704 - 3543 = 7161 (L) · 9143 - 4835 = 4308 (Y) · 3135 - 2079 = 1056 (O) · 8679 - 3778 = 4901 (N)
- Clue 5 (Division facts (1-12)): surviving statement (box 11) → Warden Wade20 ÷ 5 = 4 · 60 ÷ 5 = 12 · 2 ÷ 2 = 1 · 55 ÷ 11 = 5 · 8 ÷ 1 = 8 · 48 ÷ 8 = 6 · 90 ÷ 10 = 9 · 30 ÷ 3 = 10 · 6 ÷ 3 = 2 · 18 ÷ 6 = 3 · 35 ÷ 5 = 7
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Multiplication, Rounding, Addition, Subtraction, Division
- Reading level
- grades 5-6
- Theme
- The Case of the Missing Golden Retriever — set in Oakridge Animal Shelter and Dog Park
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
