🔎 The kid polise stahion the cGrade 5Reading: grades 5-6AdditionSubtractionPlace valueFractions of a number
The Junior Police Station Caper
Chief Joshua Dax Zeno just ran into the breakroom with some bad news! Someone broke into the evidence locker at Station 7 and swiped the golden walkie-talkie. We need our best junior detectives to solve the math puzzles, gather clues, and find the culprit!
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 | Police Tool | Disguise | Suspect Habit | Wig Fiber Found | Best Defense |
|---|---|---|---|---|---|
| Rookie Zoe | siren megaphone | clown shoes | humming siren song | red wig fiber | tickled with feather |
| Agent Cole | decoder watch | mustache mask | humming siren song | red wig fiber | scared by loud siren |
| Officer Maya | bubble handcuffs | neon cape | chewing bubblegum | red wig fiber | scared by loud siren |
| Cadet Jenny | decoder watch | windup mouse | chewing bubblegum | red wig fiber | tickled with feather |
| Cadet Nina | siren megaphone | windup mouse | chewing bubblegum | red wig fiber | trapped by bubblewrap |
| Officer Billy | siren megaphone | neon cape | chewing bubblegum | black wig fiber | tickled with feather |
| Agent Leo | bubble handcuffs | mustache mask | chewing bubblegum | red wig fiber | trapped by bubblewrap |
| Cadet Max | laser walkie | clown shoes | chewing bubblegum | red wig fiber | scared by loud siren |
| Officer Jake | bubble handcuffs | windup mouse | chewing bubblegum | black wig fiber | tickled with feather |
| Deputy Jax | laser walkie | windup mouse | chewing bubblegum | blonde wig fiber | scared by loud siren |
| Cadet Ruby | decoder watch | mustache mask | chewing bubblegum | blonde wig fiber | trapped by bubblewrap |
| Deputy Sarah | decoder watch | clown shoes | chewing bubblegum | red wig fiber | scared by loud siren |
| Agent Abby | siren megaphone | clown shoes | humming siren song | black wig fiber | trapped by bubblewrap |
| Deputy Mia | laser walkie | neon cape | humming siren song | red wig fiber | trapped by bubblewrap |
| Rookie Toby | siren megaphone | clown shoes | chewing bubblegum | blonde wig fiber | tickled with feather |
| Deputy Sam | glare goggles | fake badge | chewing bubblegum | red wig fiber | scared by loud siren |
| Deputy Cleo | siren megaphone | windup mouse | humming siren song | black wig fiber | trapped by bubblewrap |
| Cadet Noah | decoder watch | fake badge | humming siren song | black wig fiber | trapped by bubblewrap |
| Rookie Emma | bubble handcuffs | mustache mask | humming siren song | red wig fiber | scared by loud siren |
| Rookie Owen | bubble handcuffs | windup mouse | chewing bubblegum | red wig fiber | scared by loud siren |
| Agent Lily | laser walkie | fake badge | chewing bubblegum | blonde wig fiber | tickled with feather |
Clue 1
Addition
Officer Billy counted two sets of muddy footprints near the locker room. Add the footprint tallies together to find the security camera channel we need to watch!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
6819
9804
2691
3955
8164
6437
2934
3737
T
6819
2934
3590
2691
9822
6437
3590
T
6819
7947
2691
8164
8726
8164
5988
8164
6507
2691
3955
8164
2934
6145
2691
2848 + 3971 =T
1361 + 2376 =I
2705 + 5242 =W
5017 + 4787 =H
4540 + 3624 =A
3239 + 3268 =K
3706 + 5020 =R
6261 + 3561 =S
2414 + 1541 =B
2050 + 884 =D
3263 + 3174 =N
2015 + 4130 =G
1015 + 1676 =E
2720 + 3268 =F
1952 + 1638 =O
0/15 letters found
Clue 2
Subtraction
Chief Dax Zeno noticed some junior water balloons were missing from the supply cabinet. Subtract the popped ones to find out how many balloons the thief took!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
2464
1549
3841
7423
1915
7423
3423
3841
7904
T
2464
3352
8668
7423
7904
1549
3841
3352
4023
3454
4696
3536
1915
3536
3536
5188
3841
4696
1915
5178
4387 - 1923 =T
9793 - 2370 =S
13410 - 4742 =A
1897 - 348 =H
4369 - 2454 =U
5334 - 638 =G
8385 - 4931 =N
8689 - 4666 =I
7343 - 2165 =M
9706 - 4518 =L
5646 - 2110 =B
9047 - 1143 =C
3996 - 644 =W
8052 - 4211 =E
6932 - 3509 =P
0/15 letters found
Clue 3
Place value
The junior database requires a special passcode to view the wig fiber analysis. Identify the correct digit in the tens place of our main precinct code to unlock it!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
4000
900
5000
50
800
5000
30
5000
700
20
10
30
5000
90
40
50
10
300
60
70
90
700
9000
30
5000
100
What is the value of the 4 in 514,777?T
What is the value of the 2 in 507,123?C
What is the value of the 3 in 29,636?R
What is the value of the 7 in 844,732?S
What is the value of the 9 in 70,971?H
What is the value of the 1 in 26,019?A
What is the value of the 9 in 271,093?D
What is the value of the 3 in 159,352?L
What is the value of the 5 in 32,051?Y
What is the value of the 7 in 483,170?U
What is the value of the 5 in 65,349?E
What is the value of the 1 in 45,174?N
What is the value of the 6 in 94,169?O
What is the value of the 4 in 831,247?B
What is the value of the 8 in 55,816?W
What is the value of the 9 in 59,605?I
0/16 letters found
Clue 4
Fractions of a number
Deputy Sarah found a discarded box of twelve glazed donuts. If the suspect snatched a fraction of the box, how many donuts did they ruin?
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
W
29
7
16
20
32
22
19
24
7
19
W
29
4
17
16
4
34
7
24
2/8 of 116 =W
1/4 of 136 =B
1/6 of 42 =E
2/10 of 100 =O
2/4 of 32 =F
2/8 of 88 =N
1/4 of 68 =G
1/6 of 24 =I
2/10 of 160 =U
1/3 of 57 =D
6/8 of 32 =R
0/11 letters found
Clue 5
Fractions of a number — the last clue
We found a small pile of spare walkie-talkie batteries left near the playground swings. Calculate the fraction of charged batteries to discover where the culprit ran!
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
1/5 of 30 = ?
1/3 of 33 = ?
1/8 of 16 = ?
5/10 of 16 = ?
3/6 of 20 = ?
1/10 of 50 = ?
1/6 of 18 = ?
2/4 of 24 = ?
2/4 of 2 = ?
3/6 of 18 = ?
2/6 of 21 = ?
Step 2 — cross out the sentence with each answer
1.The villain shines glare goggles, then squeaks away in clown shoes.
2.The villain snaps a bubble handcuff, then zooms off wearing a neon cape.
3.The villain shouts into a siren megaphone, then zooms off wearing a neon cape.
4.The villain snaps a bubble handcuff, then distracts with a windup mouse.
5.The villain shines glare goggles, then distracts with a windup mouse.
6.The villain scans with a decoder watch, then squeaks away in clown shoes.
7.The villain shines glare goggles, then escapes in a mustache mask.
8.The villain shouts into a siren megaphone, then escapes in a mustache mask.
9.The villain snaps a bubble handcuff, then escapes in a mustache mask.
10.The villain shines glare goggles, then flashes a fake badge.
11.The villain blasts a laser walkie, then squeaks away in clown shoes.
12.The villain blasts a laser walkie, then escapes in a mustache mask.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Junior Police Station Caper
Culprit: Rookie Owen (bubble handcuffs · windup mouse · chewing bubblegum · red wig fiber · scared by loud siren)
- Clue 1 (Addition): "THE BANDIT DOES NOT WEAR A FAKE BADGE"2848 + 3971 = 6819 (T) · 1361 + 2376 = 3737 (I) · 2705 + 5242 = 7947 (W) · 5017 + 4787 = 9804 (H) · 4540 + 3624 = 8164 (A) · 3239 + 3268 = 6507 (K) · 3706 + 5020 = 8726 (R) · 6261 + 3561 = 9822 (S) · 2414 + 1541 = 3955 (B) · 2050 + 884 = 2934 (D) · 3263 + 3174 = 6437 (N) · 2015 + 4130 = 6145 (G) · 1015 + 1676 = 2691 (E) · 2720 + 3268 = 5988 (F) · 1952 + 1638 = 3590 (O)
- Clue 2 (Subtraction): "THE SUSPECT WAS CHEWING BUBBLEGUM"4387 - 1923 = 2464 (T) · 9793 - 2370 = 7423 (S) · 13410 - 4742 = 8668 (A) · 1897 - 348 = 1549 (H) · 4369 - 2454 = 1915 (U) · 5334 - 638 = 4696 (G) · 8385 - 4931 = 3454 (N) · 8689 - 4666 = 4023 (I) · 7343 - 2165 = 5178 (M) · 9706 - 4518 = 5188 (L) · 5646 - 2110 = 3536 (B) · 9047 - 1143 = 7904 (C) · 3996 - 644 = 3352 (W) · 8052 - 4211 = 3841 (E) · 6932 - 3509 = 3423 (P)
- Clue 3 (Place value): "THEY WERE SCARED BY A LOUD SIREN"What is the value of the 4 in 514,777? = 4000 (T) · What is the value of the 2 in 507,123? = 20 (C) · What is the value of the 3 in 29,636? = 30 (R) · What is the value of the 7 in 844,732? = 700 (S) · What is the value of the 9 in 70,971? = 900 (H) · What is the value of the 1 in 26,019? = 10 (A) · What is the value of the 9 in 271,093? = 90 (D) · What is the value of the 3 in 159,352? = 300 (L) · What is the value of the 5 in 32,051? = 50 (Y) · What is the value of the 7 in 483,170? = 70 (U) · What is the value of the 5 in 65,349? = 5000 (E) · What is the value of the 1 in 45,174? = 100 (N) · What is the value of the 6 in 94,169? = 60 (O) · What is the value of the 4 in 831,247? = 40 (B) · What is the value of the 8 in 55,816? = 800 (W) · What is the value of the 9 in 59,605? = 9000 (I)
- Clue 4 (Fractions of a number): "WE FOUND RED WIG FIBER"2/8 of 116 = 29 (W) · 1/4 of 136 = 34 (B) · 1/6 of 42 = 7 (E) · 2/10 of 100 = 20 (O) · 2/4 of 32 = 16 (F) · 2/8 of 88 = 22 (N) · 1/4 of 68 = 17 (G) · 1/6 of 24 = 4 (I) · 2/10 of 160 = 32 (U) · 1/3 of 57 = 19 (D) · 6/8 of 32 = 24 (R)
- Clue 5 (Fractions of a number): surviving statement (box 4) → Rookie Owen1/5 of 30 = 6 · 1/3 of 33 = 11 · 1/8 of 16 = 2 · 5/10 of 16 = 8 · 3/6 of 20 = 10 · 1/10 of 50 = 5 · 1/6 of 18 = 3 · 2/4 of 24 = 12 · 2/4 of 2 = 1 · 3/6 of 18 = 9 · 2/6 of 21 = 7
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Addition, Subtraction, Place value, Fractions of a number
- Reading level
- grades 5-6
- Theme
- The Junior Police Station Caper — set in Junior Police HQ Station 7
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects