The Eras Tour Mystery
Someone switched the setlist right before showtime at the Midnight Pop Arena! Use your math detective skills to gather clues, track down the sneaky concert crasher, and save the biggest night of the tour.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Instrument | Stage Accessory | Microphone Hand | Hairstyle | Stage Hazard |
|---|---|---|---|---|---|
| Gigi | Grand Piano | Snake Ring | Left Handed | Blonde Bangs | Mic Feedback |
| Andrea | Acoustic Guitar | Silver Microphone | Left Handed | Red Ponytail | Cat Nibbles |
| Harry | Keytar | Silver Microphone | Left Handed | Blonde Bangs | Mic Feedback |
| Este | Acoustic Guitar | Feather Boa | Left Handed | Blonde Bangs | Mic Feedback |
| Blake | Grand Piano | Silver Microphone | Right Handed | Red Ponytail | Cat Nibbles |
| Austin | Keytar | Snake Ring | Left Handed | Red Ponytail | Cat Nibbles |
| Aaron | Sequined Jacket | Snake Ring | Right Handed | Red Ponytail | Cat Nibbles |
| Lana | Golden Megaphone | Snake Ring | Right Handed | Brunette Curls | Cat Nibbles |
| Selena | Keytar | Snake Ring | Right Handed | Blonde Bangs | Mic Feedback |
| Max | Keytar | Feather Boa | Right Handed | Red Ponytail | Mic Feedback |
| Alana | Acoustic Guitar | Snake Ring | Left Handed | Blonde Bangs | Mic Feedback |
| Karlie | Keytar | Feather Boa | Right Handed | Brunette Curls | Mic Feedback |
| Taylor | Acoustic Guitar | Feather Boa | Right Handed | Brunette Curls | Mic Feedback |
| Jack | Grand Piano | Sparkly Boots | Right Handed | Red Ponytail | Cat Nibbles |
| Abigail | Sequined Jacket | Silver Microphone | Right Handed | Red Ponytail | Mic Feedback |
| Ryan | Keytar | Snake Ring | Left Handed | Red Ponytail | Camera Flash |
| Paul | Grand Piano | Snake Ring | Left Handed | Blonde Bangs | Camera Flash |
| Gracie | Golden Megaphone | Heart Sunglasses | Right Handed | Red Ponytail | Cat Nibbles |
| Amos | Grand Piano | Sparkly Boots | Right Handed | Brunette Curls | Mic Feedback |
| Danielle | Acoustic Guitar | Silver Microphone | Right Handed | Red Ponytail | Cat Nibbles |
| Phoebe | Acoustic Guitar | Snake Ring | Right Handed | Blonde Bangs | Mic Feedback |
Place value
We found a VIP ticket stub left on stage, but only the digit in the tens place is clearly visible.
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
The backstage crew gathered up all the extra tour t-shirts and added them together.
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
A box of sparkly guitar picks was opened and several went missing before showtime.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Skip counting
The stage manager counted up the colorful lights lining the walkway in equal groups.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Missing addends — the last clue
The band needed a full rack of microphone stands, but some spots were empty.
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 Eras Tour Mystery
- Clue 1 (Place value): "THE VILLAIN HAS NO SPARKLY BOOTS"What number has 1 ten and 3 ones? = 13 (T) · What number has 7 tens and 0 ones? = 70 (O) · What number has 6 tens and 2 ones? = 62 (B) · What number has 5 tens and 6 ones? = 56 (R) · What number has 4 tens and 7 ones? = 47 (L) · What number has 4 tens and 3 ones? = 43 (V) · What number has 9 tens and 7 ones? = 97 (K) · What number has 7 tens and 6 ones? = 76 (E) · What number has 8 tens and 4 ones? = 84 (I) · What number has 7 tens and 1 one? = 71 (Y) · What number has 4 tens and 9 ones? = 49 (P) · What number has 4 tens and 1 one? = 41 (A) · What number has 2 tens and 6 ones? = 26 (S) · What number has 3 tens and 5 ones? = 35 (H) · What number has 8 tens and 7 ones? = 87 (N)
- Clue 2 (Addition): "SUSPECT IS RIGHT HANDED"29 + 39 = 68 (S) · 18 + 18 = 36 (P) · 21 + 10 = 31 (U) · 19 + 41 = 60 (R) · 13 + 33 = 46 (I) · 43 + 33 = 76 (H) · 21 + 13 = 34 (D) · 36 + 41 = 77 (G) · 33 + 54 = 87 (T) · 38 + 28 = 66 (C) · 34 + 60 = 94 (E) · 17 + 40 = 57 (A) · 37 + 44 = 81 (N)
- Clue 3 (Subtraction): "SUSPECT RUNS FROM CAT NIBBLES"83 - 2 = 81 (S) · 57 - 17 = 40 (R) · 105 - 16 = 89 (N) · 57 - 18 = 39 (P) · 66 - 21 = 45 (E) · 64 - 4 = 60 (B) · 42 - 28 = 14 (T) · 46 - 28 = 18 (O) · 36 - 24 = 12 (C) · 54 - 10 = 44 (M) · 100 - 22 = 78 (A) · 56 - 6 = 50 (I) · 71 - 5 = 66 (F) · 111 - 23 = 88 (U) · 100 - 17 = 83 (L)
- Clue 4 (Skip counting): "FOUND RED PONYTAIL AT THE STAGE"Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80 = 60 (F) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36 = 30 (O) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (Y) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (U) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (D) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (L) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (P) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (S) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (T) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (G) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (N)
- Clue 5 (Missing addends): surviving statement (box 2) → Aaron5 + ___ = 14 = 9 · 2 + ___ = 12 = 10 · 1 + ___ = 13 = 12 · 9 + ___ = 17 = 8 · 2 + ___ = 8 = 6 · 4 + ___ = 11 = 7 · 10 + ___ = 13 = 3 · 4 + ___ = 5 = 1 · 1 + ___ = 12 = 11 · 5 + ___ = 10 = 5 · 5 + ___ = 9 = 4
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Eras Tour Mystery — set in The Midnight Pop Arena
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
