The Case of the Ruined Rendezvous
The golden locket of eternal devotion has vanished from Heartbreak Manor! It was stolen right before the big moonlit proposal. The dramatic lovers are in tears, and we must find out who ruined the secret date!
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Flirting Style | Secret Hobby | Witness Report | Hair Evidence | Romantic Weakness |
|---|---|---|---|---|---|
| Baroness Scarlett | hand holding | playing the harp | beautiful lady | flowing blonde locks | allergy to roses |
| Sir Tristan | hand holding | playing the harp | beautiful lady | slicked back black | scared of commitment |
| Duchess Sophia | gift giving | playing the harp | beautiful lady | slicked back black | scared of commitment |
| Lady Genevieve | deep staring | baking strawberry tarts | beautiful lady | slicked back black | allergy to roses |
| Count Gabriel | hand holding | baking strawberry tarts | beautiful lady | slicked back black | distracted by chocolate |
| Lord Charles | hand holding | writing love letters | handsome gentleman | slicked back black | distracted by chocolate |
| Duke Julian | hand holding | arranging red roses | beautiful lady | slicked back black | distracted by chocolate |
| Sir Roderick | sappy poetry | writing sad songs | beautiful lady | flowing blonde locks | scared of commitment |
| Lady Victoria | dramatic sighing | writing sad songs | handsome gentleman | flowing blonde locks | scared of commitment |
| Baroness Vivienne | dramatic sighing | playing the harp | beautiful lady | curly red hair | scared of commitment |
| Baroness Gwendolyn | dramatic sighing | arranging red roses | beautiful lady | slicked back black | allergy to roses |
| Count Alexander | sappy poetry | playing the harp | beautiful lady | flowing blonde locks | distracted by chocolate |
| Duke Nicholas | hand holding | writing love letters | beautiful lady | slicked back black | distracted by chocolate |
| Lady Isabella | dramatic sighing | playing the harp | beautiful lady | slicked back black | distracted by chocolate |
| Baroness Clara | dramatic sighing | writing sad songs | handsome gentleman | slicked back black | distracted by chocolate |
| Count Valentine | gift giving | arranging red roses | beautiful lady | slicked back black | distracted by chocolate |
| Duchess Penelope | gift giving | writing sad songs | beautiful lady | flowing blonde locks | allergy to roses |
| Sir Montgomery | dramatic sighing | writing sad songs | handsome gentleman | slicked back black | scared of commitment |
| Duchess Evelyn | deep staring | writing love letters | beautiful lady | curly red hair | distracted by chocolate |
| Lady Beatrice | dramatic sighing | writing sad songs | beautiful lady | slicked back black | scared of commitment |
| Duchess Eleanor | deep staring | writing sad songs | beautiful lady | curly red hair | scared of commitment |
Rounding
The love meter on the garden wall is a bit rusty. It rounds the passion score to the nearest ten. The dial pointed to eighty, which gave us our first hint.
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 found a pile of torn love letters. We added the three scraps from the fountain to the four scraps from the bench to find the secret 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.
Subtraction
The butler started with twelve chocolate truffles on a silver tray. The rival ate some, leaving only five. The missing chocolates pointed to 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.
Multiplication facts (1-12)
The florist delivered boxes of red roses. There were three boxes with six roses in each box. Counting them all up revealed the hair color.
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 lovers wanted to share eighteen strawberry tarts equally between their three favorite guests. Sharing them out fairly led us to the final clue.
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 Ruined Rendezvous
- Clue 1 (Rounding): "THE RIVAL DOES NOT BAKE STRAWBERRY TARTS"Round 92 to the nearest ten = 90 (T) · Round 604 to the nearest hundred = 600 (E) · Round 2,458 to the nearest thousand = 2000 (R) · Round 51 to the nearest ten = 50 (N) · Round 748 to the nearest hundred = 700 (W) · Round 41 to the nearest ten = 40 (A) · Round 8,337 to the nearest thousand = 8000 (O) · Round 30 to the nearest ten = 30 (L) · Round 797 to the nearest hundred = 800 (V) · Round 4,093 to the nearest thousand = 4000 (Y) · Round 198 to the nearest hundred = 200 (B) · Round 2,694 to the nearest thousand = 3000 (H) · Round 397 to the nearest hundred = 400 (K) · Round 7,423 to the nearest thousand = 7000 (D) · Round 8,795 to the nearest thousand = 9000 (I) · Round 77 to the nearest ten = 80 (S)
- Clue 2 (Addition): "THE RIVAL LEFT A SCENT OF FANCY PERFUME"283 + 254 = 537 (T) · 210 + 158 = 368 (E) · 123 + 224 = 347 (U) · 278 + 398 = 676 (L) · 235 + 113 = 348 (F) · 359 + 553 = 912 (S) · 297 + 215 = 512 (A) · 250 + 301 = 551 (Y) · 520 + 372 = 892 (O) · 388 + 589 = 977 (V) · 272 + 188 = 460 (N) · 242 + 113 = 355 (M) · 272 + 589 = 861 (R) · 563 + 266 = 829 (P) · 223 + 401 = 624 (C) · 115 + 153 = 268 (I) · 310 + 338 = 648 (H)
- Clue 3 (Subtraction): "THEY DROPPED EVERYTHING FOR A CANDY BAR"360 - 222 = 138 (T) · 858 - 119 = 739 (Y) · 473 - 304 = 169 (R) · 451 - 168 = 283 (V) · 463 - 149 = 314 (O) · 971 - 188 = 783 (H) · 510 - 224 = 286 (G) · 1041 - 195 = 846 (A) · 675 - 81 = 594 (N) · 604 - 363 = 241 (P) · 635 - 382 = 253 (E) · 528 - 204 = 324 (D) · 1089 - 345 = 744 (F) · 931 - 153 = 778 (B) · 931 - 309 = 622 (I) · 292 - 62 = 230 (C)
- Clue 4 (Multiplication facts (1-12)): "WE FOUND DARK HAIR ON THE SILK PILLOW"6 × 8 = 48 (W) · 12 × 11 = 132 (T) · 7 × 7 = 49 (I) · 2 × 6 = 12 (H) · 10 × 3 = 30 (L) · 7 × 1 = 7 (K) · 12 × 7 = 84 (S) · 8 × 8 = 64 (F) · 7 × 9 = 63 (U) · 4 × 9 = 36 (R) · 12 × 12 = 144 (N) · 11 × 11 = 121 (D) · 3 × 5 = 15 (O) · 6 × 11 = 66 (E) · 9 × 5 = 45 (P) · 10 × 10 = 100 (A)
- Clue 5 (Division facts (1-12)): surviving statement (box 7) → Count Valentine4 ÷ 2 = 2 · 6 ÷ 1 = 6 · 9 ÷ 1 = 9 · 27 ÷ 9 = 3 · 16 ÷ 4 = 4 · 50 ÷ 10 = 5 · 50 ÷ 5 = 10 · 84 ÷ 7 = 12 · 33 ÷ 3 = 11 · 56 ÷ 7 = 8 · 5 ÷ 5 = 1
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Ruined Rendezvous — set in Heartbreak Manor
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
