🔎 SpiesGrade 4Reading: grades 3-4MultiplicationMulti-step word problemsWord problemsRoundingDivision
The Super-Decoder Heist
An alarm has sounded! A rogue agent has slipped into the agency vault and stolen the prototype Super-Decoder. Solve the clues and track down the culprit before they escape the grid!
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 | Special gadget | Escape vehicle | Dominant hand | Wig color | Security sensor |
|---|---|---|---|---|---|
| John Steed | grappling hook | hover bike | right handed | silver gray wig | motion detector |
| Alex Rider | spy camera glasses | hover bike | right handed | silver gray wig | motion detector |
| Walter Beckett | smoke bomb | armored car | left handed | neon blue wig | motion detector |
| Emma Peel | jetpack boots | rocket skis | left handed | silver gray wig | motion detector |
| James Bond | smoke bomb | armored car | right handed | silver gray wig | motion detector |
| Yor Forger | laser watch | stealth submarine | left handed | neon blue wig | magnet sensor |
| Lance Sterling | laser watch | micro copter | right handed | bright red wig | motion detector |
| Kim Possible | smoke bomb | hover bike | right handed | neon blue wig | laser beam sensor |
| Mata Hari | jetpack boots | micro copter | left handed | bright red wig | motion detector |
| Jason Bourne | laser watch | rocket skis | right handed | silver gray wig | motion detector |
| Carmen Sandiego | spy camera glasses | micro copter | right handed | neon blue wig | laser beam sensor |
| Perry Platypus | laser watch | armored car | right handed | bright red wig | laser beam sensor |
| Ethan Hunt | laser watch | stealth submarine | right handed | silver gray wig | motion detector |
| Agent Classified | laser watch | rocket skis | left handed | silver gray wig | magnet sensor |
| Maxwell Smart | spy camera glasses | stealth submarine | left handed | bright red wig | magnet sensor |
| Austin Powers | smoke bomb | micro copter | left handed | silver gray wig | motion detector |
| George Smiley | jetpack boots | stealth submarine | right handed | silver gray wig | magnet sensor |
| Loid Forger | smoke bomb | micro copter | right handed | bright red wig | motion detector |
| Agent Oso | grappling hook | micro copter | right handed | bright red wig | motion detector |
| Natasha Romanoff | jetpack boots | hover bike | left handed | silver gray wig | magnet sensor |
| Inspector Gadget | laser watch | stealth submarine | right handed | neon blue wig | motion detector |
Clue 1
Multiplication facts (1-12)
We found a crate of decoy gadget cases organized in equal rows. Let us multiply the rows and columns to count how many the thief left behind!
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
45
108
7
4
80
144
14
7
24
144
7
16
T
45
2
72
2
16
80
T
45
7
44
96
24
33
7
80
16
4
80
96
11
7
T
45
44
11
72
44
5 × 9 =T
12 × 2 =A
7 × 2 =U
2 × 1 =D
8 × 2 =N
7 × 1 =E
9 × 12 =H
4 × 11 =S
12 × 12 =G
8 × 10 =O
11 × 3 =P
4 × 1 =R
12 × 6 =I
11 × 1 =K
12 × 8 =C
0/15 letters found
Clue 2
Multi-step word problems
The thief bought several spy kits with a large bill and received some change. Follow the steps of their purchase to see how much they spent!
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
R
49
64
51
82
76
82
22
47
D
E
D
Agent Falcon filled 9 boxes with 4 GPS trackers each, then found 13 more GPS trackers. How many GPS trackers are there in all?R
There were 299 decoder rings in all. 4 The Stealth Network used 11 decoder rings each. The other 5 The Stealth Network shared the rest equally. How many decoder rings did each of the other The Stealth Network get?G
Agent Falcon earned 2 laser pens in each of 6 rounds, plus 72 bonus laser pens. Then 8 laser pens were lost. How many laser pens are left?T
There were 96 laser pens in all. 1 The Stealth Network used 30 laser pens each. The other 3 The Stealth Network shared the rest equally. How many laser pens did each of the other The Stealth Network get?A
Agent Falcon collected 108 laser pens in the morning and 33 laser pens in the afternoon, then split them equally among 3 The Stealth Network. How many laser pens did each get?N
Agent Falcon collected 474 decoder rings in the morning and 18 decoder rings in the afternoon, then split them equally among 6 The Stealth Network. How many decoder rings did each get?H
Agent Falcon filled 4 boxes with 5 laser pens each, then found 44 more laser pens. How many laser pens are there in all?I
0/7 letters found
Clue 3
Word problems
The security team compared the weights of the stolen tool bags. Help us solve this word problem to find the weight of the heaviest bag!
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
M
15
13
46
30
13
40
34
65
46
65
C
46
13
R
Agent Falcon lined up 3 rows of 5 disguise kits. How many disguise kits in all?M
Agent Falcon lined up 10 rows of 3 disguise kits. How many disguise kits in all?I
There were 41 decoder rings. 28 were used up. How many decoder rings are left?O
Agent Falcon lined up 4 rows of 10 GPS trackers. How many GPS trackers in all?N
There were 49 decoder rings. 15 were used up. How many decoder rings are left?D
Agent Falcon found 12 spy cams yesterday and 34 more today. How many spy cams in all?T
Agent Falcon found 61 decoder rings yesterday and 4 more today. How many decoder rings in all?E
0/7 letters found
Clue 4
Rounding
Our tracking radar is fuzzy, so the distance to the getaway vehicle is rounded to the nearest ten. Round the numbers to pinpoint the location!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
A
130
2000
3700
9000
230
1100
500
1700
500
A
130
30
430
A
130
3700
500
2000
90
500
A
130
290
4300
370
A
130
2000
5000
300
2300
290
4300
Round 134 to the nearest tenA
Round 2,324 to the nearest hundredU
Round 5,338 to the nearest thousandF
Round 1,069 to the nearest hundredE
Round 8,789 to the nearest thousandL
Round 290 to the nearest tenN
Round 369 to the nearest tenW
Round 93 to the nearest tenT
Round 427 to the nearest tenH
Round 1,745 to the nearest hundredG
Round 4,313 to the nearest hundredD
Round 1,708 to the nearest thousandS
Round 339 to the nearest hundredO
Round 230 to the nearest tenV
Round 515 to the nearest hundredR
Round 28 to the nearest tenY
Round 3,748 to the nearest hundredI
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
We intercepted a bundle of coded microchips. If we share them equally among our five agents, how many does each spy get to analyze?
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
66 ÷ 6 = ?
108 ÷ 9 = ?
8 ÷ 2 = ?
88 ÷ 11 = ?
28 ÷ 4 = ?
14 ÷ 7 = ?
12 ÷ 2 = ?
40 ÷ 4 = ?
99 ÷ 11 = ?
60 ÷ 12 = ?
24 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain tosses a smoke bomb to blind the guards, then crashes through the security gate in an armored car.
2.The villain swings through the skylight with a grappling hook, then flies into the clouds with a micro copter.
3.The villain snaps photos of secret files using spy camera glasses, then speeds down the snowy mountain on rocket skis.
4.The villain zaps the vault lock with a laser watch, then dives into the river in a stealth submarine.
5.The villain zaps the vault lock with a laser watch, then crashes through the security gate in an armored car.
6.The villain snaps photos of secret files using spy camera glasses, then flies into the clouds with a micro copter.
7.The villain blasts over the fence with jetpack boots, then zooms away on a fast hover bike.
8.The villain swings through the skylight with a grappling hook, then speeds down the snowy mountain on rocket skis.
9.The villain swings through the skylight with a grappling hook, then dives into the river in a stealth submarine.
10.The villain zaps the vault lock with a laser watch, then zooms away on a fast hover bike.
11.The villain swings through the skylight with a grappling hook, then zooms away on a fast hover bike.
12.The villain snaps photos of secret files using spy camera glasses, then zooms away on a fast hover bike.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Super-Decoder Heist
Culprit: James Bond (smoke bomb · armored car · right handed · silver gray wig · motion detector)
- Clue 1 (Multiplication facts (1-12)): "THE ROGUE AGENT DID NOT ESCAPE ON ROCKET SKIS"5 × 9 = 45 (T) · 12 × 2 = 24 (A) · 7 × 2 = 14 (U) · 2 × 1 = 2 (D) · 8 × 2 = 16 (N) · 7 × 1 = 7 (E) · 9 × 12 = 108 (H) · 4 × 11 = 44 (S) · 12 × 12 = 144 (G) · 8 × 10 = 80 (O) · 11 × 3 = 33 (P) · 4 × 1 = 4 (R) · 12 × 6 = 72 (I) · 11 × 1 = 11 (K) · 12 × 8 = 96 (C)
- Clue 2 (Multi-step word problems): "RIGHT HANDED"Agent Falcon filled 9 boxes with 4 GPS trackers each, then found 13 more GPS trackers. How many GPS trackers are there in all? = 49 (R) · There were 299 decoder rings in all. 4 The Stealth Network used 11 decoder rings each. The other 5 The Stealth Network shared the rest equally. How many decoder rings did each of the other The Stealth Network get? = 51 (G) · Agent Falcon earned 2 laser pens in each of 6 rounds, plus 72 bonus laser pens. Then 8 laser pens were lost. How many laser pens are left? = 76 (T) · There were 96 laser pens in all. 1 The Stealth Network used 30 laser pens each. The other 3 The Stealth Network shared the rest equally. How many laser pens did each of the other The Stealth Network get? = 22 (A) · Agent Falcon collected 108 laser pens in the morning and 33 laser pens in the afternoon, then split them equally among 3 The Stealth Network. How many laser pens did each get? = 47 (N) · Agent Falcon collected 474 decoder rings in the morning and 18 decoder rings in the afternoon, then split them equally among 6 The Stealth Network. How many decoder rings did each get? = 82 (H) · Agent Falcon filled 4 boxes with 5 laser pens each, then found 44 more laser pens. How many laser pens are there in all? = 64 (I)
- Clue 3 (Word problems): "MOTION DETECTOR"Agent Falcon lined up 3 rows of 5 disguise kits. How many disguise kits in all? = 15 (M) · Agent Falcon lined up 10 rows of 3 disguise kits. How many disguise kits in all? = 30 (I) · There were 41 decoder rings. 28 were used up. How many decoder rings are left? = 13 (O) · Agent Falcon lined up 4 rows of 10 GPS trackers. How many GPS trackers in all? = 40 (N) · There were 49 decoder rings. 15 were used up. How many decoder rings are left? = 34 (D) · Agent Falcon found 12 spy cams yesterday and 34 more today. How many spy cams in all? = 46 (T) · Agent Falcon found 61 decoder rings yesterday and 4 more today. How many decoder rings in all? = 65 (E)
- Clue 4 (Rounding): "A SILVER GRAY HAIR STRAND WAS FOUND"Round 134 to the nearest ten = 130 (A) · Round 2,324 to the nearest hundred = 2300 (U) · Round 5,338 to the nearest thousand = 5000 (F) · Round 1,069 to the nearest hundred = 1100 (E) · Round 8,789 to the nearest thousand = 9000 (L) · Round 290 to the nearest ten = 290 (N) · Round 369 to the nearest ten = 370 (W) · Round 93 to the nearest ten = 90 (T) · Round 427 to the nearest ten = 430 (H) · Round 1,745 to the nearest hundred = 1700 (G) · Round 4,313 to the nearest hundred = 4300 (D) · Round 1,708 to the nearest thousand = 2000 (S) · Round 339 to the nearest hundred = 300 (O) · Round 230 to the nearest ten = 230 (V) · Round 515 to the nearest hundred = 500 (R) · Round 28 to the nearest ten = 30 (Y) · Round 3,748 to the nearest hundred = 3700 (I)
- Clue 5 (Division facts (1-12)): surviving statement (box 1) → James Bond66 ÷ 6 = 11 · 108 ÷ 9 = 12 · 8 ÷ 2 = 4 · 88 ÷ 11 = 8 · 28 ÷ 4 = 7 · 14 ÷ 7 = 2 · 12 ÷ 2 = 6 · 40 ÷ 4 = 10 · 99 ÷ 11 = 9 · 60 ÷ 12 = 5 · 24 ÷ 8 = 3
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Multiplication, Multi-step word problems, Word problems, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Super-Decoder Heist — set in The Secret Agent Training Grounds
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects