Grade 2Reading: grades 3-4Place valueAdditionSubtractionSkip countingMissing addends
The Temple of the Golden Banana
A priceless golden artifact has vanished from the jungle base camp! The Curator needs your team of junior scouts to track down the rogue explorer who took it before they escape the valley.
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 Tool | Companion Pet | Compass Grip | Hat Color | Adventure Phobia |
|---|---|---|---|---|---|
| Steve Irwin | grappling hook | pet iguana | right handed | brown fedora | dislikes creepy caves |
| Lewis Meriwether | climbing rope | baby fruit bat | right handed | green safari hat | scared of spiders |
| Bindi Irwin | laser pointer | pocket monkey | right handed | green safari hat | afraid of heights |
| Sacagawea | machete | pocket monkey | left handed | green safari hat | dislikes creepy caves |
| Diego Marquez | climbing rope | pet iguana | right handed | green safari hat | dislikes creepy caves |
| Neil Armstrong | grappling hook | pet iguana | left handed | green safari hat | dislikes creepy caves |
| Dora Marquez | grappling hook | baby fruit bat | right handed | yellow sun visor | scared of spiders |
| Nellie Bly | machete | pet iguana | right handed | brown fedora | dislikes creepy caves |
| Sally Ride | laser pointer | baby fruit bat | left handed | brown fedora | scared of spiders |
| Nathan Drake | grappling hook | scout dog | right handed | green safari hat | afraid of heights |
| Marco Polo | metal detector | scout dog | left handed | brown fedora | scared of spiders |
| Jacques Cousteau | grappling hook | trained parrot | left handed | green safari hat | scared of spiders |
| Davy Crockett | climbing rope | baby fruit bat | left handed | green safari hat | scared of spiders |
| Phileas Fogg | metal detector | pocket monkey | left handed | green safari hat | scared of spiders |
| Charles Darwin | grappling hook | scout dog | left handed | green safari hat | afraid of heights |
| Robinson Crusoe | metal detector | pet iguana | right handed | green safari hat | scared of spiders |
| William Clark | laser pointer | pet iguana | left handed | green safari hat | scared of spiders |
| Amelia Earhart | climbing rope | pet iguana | right handed | brown fedora | scared of spiders |
| Buzz Aldrin | machete | scout dog | left handed | green safari hat | scared of spiders |
| Laura Dekker | metal detector | baby fruit bat | right handed | green safari hat | scared of spiders |
| Indiana Jones | climbing rope | pocket monkey | right handed | brown fedora | afraid of heights |
Clue 1
Place value
To open the ancient stone vault, you must read the secret carvings. The tens digit and the ones digit of the ancient numbers tell us where the first clue is buried.
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
28
38
97
72
30
60
60
41
30
75
68
59
97
78
75
59
T
28
T
28
13
41
72
97
60
16
30
T
28
38
41
78
91
59
50
T
28
68
59
89
What number has 2 tens and 8 ones?T
What number has 1 ten and 6 ones?W
What number has 4 tens and 1 one?A
What number has 8 tens and 9 ones?G
What number has 6 tens and 8 ones?D
What number has 7 tens and 2 ones?V
What number has 1 ten and 3 ones?R
What number has 3 tens and 0 ones?I
What number has 6 tens and 0 ones?L
What number has 3 tens and 8 ones?H
What number has 9 tens and 7 ones?E
What number has 7 tens and 8 ones?S
What number has 9 tens and 1 one?C
What number has 7 tens and 5 ones?N
What number has 5 tens and 9 ones?O
What number has 5 tens and 0 ones?U
0/16 letters found
Clue 2
Addition
You find a dropped supply bag on the trail. By adding the number of water flasks to the number of trail bars, you discover the trail code left by the suspect.
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
71
64
74
78
77
78
61
74
72
T
71
77
78
74
78
T
71
64
74
32
88
98
74
59
T
71
64
40
70
62
41 + 30 =T
35 + 43 =S
40 + 58 =L
40 + 24 =H
41 + 20 =P
54 + 34 =R
39 + 35 =E
20 + 20 =A
24 + 35 =F
27 + 50 =U
33 + 37 =N
20 + 12 =I
30 + 32 =D
24 + 48 =C
0/14 letters found
Clue 3
Subtraction
A group of cheeky jungle monkeys stole some of your climbing ropes. Subtract the ropes you have left from your original pile to see how many ropes the monkeys 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
63
55
22
47
28
82
50
82
73
82
47
30
28
71
31
82
18
71
77
73
22
77
97 - 34 =T
43 - 15 =R
106 - 33 =W
75 - 25 =N
95 - 13 =A
106 - 29 =B
69 - 38 =M
33 - 11 =E
56 - 1 =H
78 - 31 =Y
75 - 4 =O
26 - 8 =C
32 - 2 =F
0/13 letters found
Clue 4
Skip counting
To cross the swamp safely, you have to step only on the stones carved with numbers that skip count by fives.
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
26
21
55
33
15
36
15
39
28
28
100
50
21
39
A
26
20
45
16
140
28
39
20
A
26
50
30
28
45
21
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30A
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50L
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55F
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65O
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120N
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20I
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160B
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21G
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27T
0/15 letters found
Clue 5
Missing addends — the last clue
The ancient scale needs exactly twelve golden coins to balance. You only have seven, so you must figure out how many more coins you need to find to open the final 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
10 + ___ = 12
4 + ___ = 16
2 + ___ = 7
5 + ___ = 15
6 + ___ = 13
4 + ___ = 5
7 + ___ = 11
4 + ___ = 15
9 + ___ = 18
5 + ___ = 13
1 + ___ = 7
Step 2 — cross out the sentence with each answer
1.The villain pointed out the secret traps with a laser pointer, then fed a sweet banana to a pocket monkey.
2.The villain swung across the canyon with a grappling hook, then shared some seeds with a trained parrot.
3.The villain scrambled up the stone wall with a climbing rope, then shined a dim light for a baby fruit bat.
4.The villain scrambled up the stone wall with a climbing rope, then fed a sweet banana to a pocket monkey.
5.The villain pointed out the secret traps with a laser pointer, then let a pet iguana crawl onto a warm rock.
6.The villain cleared the thick vines with a machete, then fed a sweet banana to a pocket monkey.
7.The villain scanned the dirt paths with a metal detector, then tossed a tennis ball to a scout dog.
8.The villain scanned the dirt paths with a metal detector, then let a pet iguana crawl onto a warm rock.
9.The villain cleared the thick vines with a machete, then let a pet iguana crawl onto a warm rock.
10.The villain cleared the thick vines with a machete, then shared some seeds with a trained parrot.
11.The villain swung across the canyon with a grappling hook, then shined a dim light for a baby fruit bat.
12.The villain scanned the dirt paths with a metal detector, then fed a sweet banana to a pocket monkey.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Temple of the Golden Banana
Culprit: Davy Crockett (climbing rope · baby fruit bat · left handed · green safari hat · scared of spiders)
- Clue 1 (Place value): "THE VILLAIN DOES NOT TRAVEL WITH A SCOUT DOG"What number has 2 tens and 8 ones? = 28 (T) · What number has 1 ten and 6 ones? = 16 (W) · What number has 4 tens and 1 one? = 41 (A) · What number has 8 tens and 9 ones? = 89 (G) · What number has 6 tens and 8 ones? = 68 (D) · What number has 7 tens and 2 ones? = 72 (V) · What number has 1 ten and 3 ones? = 13 (R) · What number has 3 tens and 0 ones? = 30 (I) · What number has 6 tens and 0 ones? = 60 (L) · What number has 3 tens and 8 ones? = 38 (H) · What number has 9 tens and 7 ones? = 97 (E) · What number has 7 tens and 8 ones? = 78 (S) · What number has 9 tens and 1 one? = 91 (C) · What number has 7 tens and 5 ones? = 75 (N) · What number has 5 tens and 9 ones? = 59 (O) · What number has 5 tens and 0 ones? = 50 (U)
- Clue 2 (Addition): "THE SUSPECT USES THEIR LEFT HAND"41 + 30 = 71 (T) · 35 + 43 = 78 (S) · 40 + 58 = 98 (L) · 40 + 24 = 64 (H) · 41 + 20 = 61 (P) · 54 + 34 = 88 (R) · 39 + 35 = 74 (E) · 20 + 20 = 40 (A) · 24 + 35 = 59 (F) · 27 + 50 = 77 (U) · 33 + 37 = 70 (N) · 20 + 12 = 32 (I) · 30 + 32 = 62 (D) · 24 + 48 = 72 (C)
- Clue 3 (Subtraction): "THEY RAN AWAY FROM A COBWEB"97 - 34 = 63 (T) · 43 - 15 = 28 (R) · 106 - 33 = 73 (W) · 75 - 25 = 50 (N) · 95 - 13 = 82 (A) · 106 - 29 = 77 (B) · 69 - 38 = 31 (M) · 33 - 11 = 22 (E) · 56 - 1 = 55 (H) · 78 - 31 = 47 (Y) · 75 - 4 = 71 (O) · 26 - 8 = 18 (C) · 32 - 2 = 30 (F)
- Clue 4 (Skip counting): "A TOUGH GREEN STRAW FIBER WAS LEFT"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (A) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (L) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (F) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70 = 50 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (O) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (N) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (I) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (B) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (R) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (H) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (G) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (T)
- Clue 5 (Missing addends): surviving statement (box 3) → Davy Crockett10 + ___ = 12 = 2 · 4 + ___ = 16 = 12 · 2 + ___ = 7 = 5 · 5 + ___ = 15 = 10 · 6 + ___ = 13 = 7 · 4 + ___ = 5 = 1 · 7 + ___ = 11 = 4 · 4 + ___ = 15 = 11 · 9 + ___ = 18 = 9 · 5 + ___ = 13 = 8 · 1 + ___ = 7 = 6
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 Temple of the Golden Banana — set in The overgrown Jungle of Whispers and its ancient ruins
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects