Grade 2Reading: grades 3-4MultiplicationPlace valueAdditionSubtractionMissing addends
The Spy Academy Caper
Someone has swiped the golden decoder ring from the Spy Academy vault! The Headmaster needs our cadet team to follow the clues and unmask the Rogue Cadet.
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 | Primary Gadget | Backup Tool | Signature Move | Hair Color | Academy Fear |
|---|---|---|---|---|---|
| Agent Jax | laser watch | mini camera | writes right handed | neon blue | fear of lasers |
| Agent Mason | sonic whistle | disguise kit | writes left handed | spy black | fear of water |
| Agent Ella | grappling hook | night goggles | writes right handed | spy black | fear of water |
| Agent Sophia | laser watch | decoder pen | writes right handed | neon blue | fear of lasers |
| Agent Chloe | grappling hook | mini camera | writes left handed | neon blue | fear of lasers |
| Agent Grace | rocket boots | disguise kit | writes left handed | spy black | fear of heights |
| Agent Jack | spy drone | mini camera | writes left handed | bright orange | fear of lasers |
| Agent Eli | rocket boots | decoder pen | writes left handed | bright orange | fear of heights |
| Agent Owen | grappling hook | mini camera | writes right handed | neon blue | fear of lasers |
| Agent Maya | sonic whistle | disguise kit | writes right handed | bright orange | fear of heights |
| Agent Max | spy drone | mini camera | writes left handed | bright orange | fear of water |
| Agent Sam | laser watch | night goggles | writes right handed | bright orange | fear of heights |
| Agent Finn | laser watch | night goggles | writes right handed | neon blue | fear of heights |
| Agent Leo | laser watch | smoke bomb | writes right handed | neon blue | fear of heights |
| Agent Luke | laser watch | night goggles | writes right handed | spy black | fear of lasers |
| Agent Ava | sonic whistle | night goggles | writes left handed | spy black | fear of heights |
| Agent Noah | sonic whistle | smoke bomb | writes right handed | neon blue | fear of lasers |
| Agent Mia | spy drone | disguise kit | writes right handed | bright orange | fear of lasers |
| Agent Lily | spy drone | decoder pen | writes right handed | spy black | fear of water |
| Agent Toby | laser watch | decoder pen | writes left handed | spy black | fear of water |
| Agent Ben | spy drone | night goggles | writes right handed | neon blue | fear of lasers |
Clue 1
Multiplication facts (1-12)
We found the villain's supply chest! It has rows of agent gear. Let us count the total gear in these equal rows to unlock the chest.
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
22
18
55
66
84
63
55
T
22
63
35
55
36
54
35
T
22
18
84
110
55
84
63
55
66
35
63
55
12
6
55
54
2 × 11 =T
9 × 6 =N
7 × 12 =A
7 × 9 =D
1 × 12 =R
2 × 3 =P
4 × 9 =S
11 × 5 =E
9 × 2 =H
11 × 10 =V
6 × 11 =C
7 × 5 =O
0/12 letters found
Clue 2
Place value
A locked computer holds the next clue. We need to enter the code by finding the tens and ones on the digital screen.
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
31
47
72
81
93
83
72
T
31
20
15
43
T
31
72
57
20
43
T
31
47
T
31
47
72
43
15
15
43
44
47
T
31
47
93
21
83
What number has 3 tens and 1 one?T
What number has 8 tens and 1 one?C
What number has 4 tens and 4 ones?G
What number has 9 tens and 3 ones?A
What number has 2 tens and 1 one?N
What number has 4 tens and 3 ones?I
What number has 4 tens and 7 ones?H
What number has 7 tens and 2 ones?E
What number has 8 tens and 3 ones?D
What number has 5 tens and 7 ones?S
What number has 2 tens and 0 ones?W
What number has 1 ten and 5 ones?R
0/12 letters found
Clue 3
Addition
The ground is covered in boot prints. We must add the prints from the muddy path to the prints on the grass to map the escape route.
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
91
98
55
21
61
88
52
55
21
52
81
38
97
76
97
23
42
21
61
83
21
55
22
49
97
38
55
21
38
54 + 37 =T
52 + 24 =W
17 + 6 =Y
25 + 24 =L
17 + 35 =U
61 + 36 =A
12 + 10 =D
38 + 60 =H
24 + 31 =E
44 + 37 =N
41 + 42 =M
26 + 12 =S
14 + 28 =F
36 + 25 =O
60 + 28 =G
10 + 11 =R
0/16 letters found
Clue 4
Subtraction
The runner dropped some gadget parts while escaping! Let us subtract the dropped parts from their starting pack to see what is 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.
B
50
80
31
34
17
82
71
30
60
73
30
82
51
68
60
62
34
30
34
80
34
36
73
B
50
34
17
71
51
68
78 - 28 =B
77 - 17 =S
25 - 8 =H
50 - 19 =U
40 - 6 =E
98 - 18 =L
71 - 9 =W
91 - 20 =I
65 - 29 =F
74 - 6 =D
110 - 28 =A
80 - 7 =T
55 - 25 =R
83 - 32 =N
0/14 letters found
Clue 5
Missing addends — the last clue
To open the final gear locker, the weight scales must match. Find the missing weight to balance the secret locker door.
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
5 + ___ = 17
5 + ___ = 15
1 + ___ = 2
1 + ___ = 6
3 + ___ = 12
9 + ___ = 12
2 + ___ = 10
1 + ___ = 7
3 + ___ = 10
2 + ___ = 13
9 + ___ = 11
Step 2 — cross out the sentence with each answer
1.The villain flies over the security gate, then hides in the shadows.
2.The villain cracks the vault lock, then leaves a fake footprint.
3.The villain flies over the security gate, then escapes down the zipline.
4.The villain climbs the training wall, then leaves a fake footprint.
5.The villain distracts the guard dogs, then disappears in a flash.
6.The villain flies over the security gate, then leaves a fake footprint.
7.The villain cracks the vault lock, then sprints to the getaway kart.
8.The villain distracts the guard dogs, then hides in the shadows.
9.The villain cracks the vault lock, then hides in the shadows.
10.The villain sneaks through the laser grid, then leaves a fake footprint.
11.The villain distracts the guard dogs, then leaves a fake footprint.
12.The villain distracts the guard dogs, then escapes down the zipline.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Spy Academy Caper
Culprit: Agent Owen (grappling hook · mini camera · writes right handed · neon blue · fear of lasers)
- Clue 1 (Multiplication facts (1-12)): "THE CADET DOES NOT HAVE A DECODER PEN"2 × 11 = 22 (T) · 9 × 6 = 54 (N) · 7 × 12 = 84 (A) · 7 × 9 = 63 (D) · 1 × 12 = 12 (R) · 2 × 3 = 6 (P) · 4 × 9 = 36 (S) · 11 × 5 = 55 (E) · 9 × 2 = 18 (H) · 11 × 10 = 110 (V) · 6 × 11 = 66 (C) · 7 × 5 = 35 (O)
- Clue 2 (Place value): "THE CADET WRITES WITH THEIR RIGHT HAND"What number has 3 tens and 1 one? = 31 (T) · What number has 8 tens and 1 one? = 81 (C) · What number has 4 tens and 4 ones? = 44 (G) · What number has 9 tens and 3 ones? = 93 (A) · What number has 2 tens and 1 one? = 21 (N) · What number has 4 tens and 3 ones? = 43 (I) · What number has 4 tens and 7 ones? = 47 (H) · What number has 7 tens and 2 ones? = 72 (E) · What number has 8 tens and 3 ones? = 83 (D) · What number has 5 tens and 7 ones? = 57 (S) · What number has 2 tens and 0 ones? = 20 (W) · What number has 1 ten and 5 ones? = 15 (R)
- Clue 3 (Addition): "THE ROGUE RUNS AWAY FROM RED LASERS"54 + 37 = 91 (T) · 52 + 24 = 76 (W) · 17 + 6 = 23 (Y) · 25 + 24 = 49 (L) · 17 + 35 = 52 (U) · 61 + 36 = 97 (A) · 12 + 10 = 22 (D) · 38 + 60 = 98 (H) · 24 + 31 = 55 (E) · 44 + 37 = 81 (N) · 41 + 42 = 83 (M) · 26 + 12 = 38 (S) · 14 + 28 = 42 (F) · 36 + 25 = 61 (O) · 60 + 28 = 88 (G) · 10 + 11 = 21 (R)
- Clue 4 (Subtraction): "BLUE HAIR STRANDS WERE LEFT BEHIND"78 - 28 = 50 (B) · 77 - 17 = 60 (S) · 25 - 8 = 17 (H) · 50 - 19 = 31 (U) · 40 - 6 = 34 (E) · 98 - 18 = 80 (L) · 71 - 9 = 62 (W) · 91 - 20 = 71 (I) · 65 - 29 = 36 (F) · 74 - 6 = 68 (D) · 110 - 28 = 82 (A) · 80 - 7 = 73 (T) · 55 - 25 = 30 (R) · 83 - 32 = 51 (N)
- Clue 5 (Missing addends): surviving statement (box 4) → Agent Owen5 + ___ = 17 = 12 · 5 + ___ = 15 = 10 · 1 + ___ = 2 = 1 · 1 + ___ = 6 = 5 · 3 + ___ = 12 = 9 · 9 + ___ = 12 = 3 · 2 + ___ = 10 = 8 · 1 + ___ = 7 = 6 · 3 + ___ = 10 = 7 · 2 + ___ = 13 = 11 · 9 + ___ = 11 = 2
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Multiplication, Place value, Addition, Subtraction, Missing addends
- Reading level
- grades 3-4
- Theme
- The Spy Academy Caper — set in Spy Cadet Training Camp
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects