Grade 8Reading: grades 1-2Fractions of a numberMulti-step word problemsExponentsSquare roots
The Golden Monkey Mystery
The golden monkey statue is gone! A sneaky thief took it from the temple. We must track them down and save the day.
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 | Explorer Gear | Backpack Tool | Writing Hand | Hair Style | Frightened By |
|---|---|---|---|---|---|
| Lara Croft | swamp boots | pocket compass | right-handed writer | spiky brown hair | tickle feathers |
| Peter Pan | safari binoculars | bug spray | right-handed writer | messy black hair | tickle feathers |
| Tarzan | safari binoculars | snack pack | right-handed writer | spiky brown hair | squeaky toy sound |
| Daniel Boone | swamp boots | bug spray | left-handed writer | messy black hair | tickle feathers |
| Hardy Boy | climbing rope | walkie talkie | right-handed writer | messy black hair | tickle feathers |
| Bindi Irwin | jungle machete | snack pack | right-handed writer | messy black hair | tickle feathers |
| Marco Polo | safari binoculars | bug spray | right-handed writer | messy black hair | squeaky toy sound |
| Sacagawea | safari binoculars | walkie talkie | right-handed writer | messy black hair | bright flashlight |
| Sinbad | grappling hook | pocket compass | left-handed writer | spiky brown hair | bright flashlight |
| Percy Fawcett | swamp boots | bug spray | left-handed writer | wild blonde curls | tickle feathers |
| Phileas Fogg | climbing rope | torch light | right-handed writer | messy black hair | squeaky toy sound |
| Robin Hood | swamp boots | walkie talkie | right-handed writer | messy black hair | tickle feathers |
| Nancy Drew | jungle machete | pocket compass | right-handed writer | messy black hair | squeaky toy sound |
| Amelia Earhart | jungle machete | torch light | left-handed writer | messy black hair | tickle feathers |
| Diego Marquez | grappling hook | walkie talkie | right-handed writer | wild blonde curls | tickle feathers |
| Wendy Darling | safari binoculars | walkie talkie | left-handed writer | wild blonde curls | tickle feathers |
| Allan Quatermain | jungle machete | torch light | right-handed writer | messy black hair | tickle feathers |
| Jane Goodall | climbing rope | pocket compass | right-handed writer | messy black hair | squeaky toy sound |
| Nellie Bly | grappling hook | snack pack | right-handed writer | spiky brown hair | squeaky toy sound |
| Indiana Jones | jungle machete | bug spray | left-handed writer | wild blonde curls | bright flashlight |
| Steve Irwin | swamp boots | bug spray | left-handed writer | messy black hair | squeaky toy sound |
Clue 1
Fractions of a number
We found a pile of ancient gold coins. The thief took some. Let us count how many are left.
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
54
24
48
T
54
24
16
48
9
37
17
48
11
3
17
T
54
20
7
43
43
19
7
11
3
7
20
47
35
7
20
47
6/10 of 90 =T
2/8 of 172 =R
1/4 of 68 =O
5/8 of 56 =P
1/4 of 36 =F
1/6 of 18 =N
2/8 of 188 =K
1/3 of 72 =H
1/3 of 48 =I
2/8 of 192 =E
5/10 of 40 =C
2/8 of 148 =D
1/10 of 110 =S
1/8 of 56 =A
1/8 of 152 =Y
0/15 letters found
Clue 2
Multi-step word problems
The camp kitchen was messy. We had bananas and apples. Some were taken and some were dropped.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
R
38
15
59
65
76
65
11
72
D
E
D
W
R
38
15
76
E
R
38
There were 332 bananas in all. 28 bananas were set aside. The rest were shared equally among 8 Jungle Club. How many bananas did each get?R
Ranger Rick collected 14 map pieces in the morning and 181 map pieces in the afternoon, then split them equally among 3 Jungle Club. How many map pieces did each get?H
Ranger Rick filled 2 boxes with 7 bananas each, then found 1 more bananas. How many bananas are there in all?I
There were 688 gold coins in all. 4 gold coins were set aside. The rest were shared equally among 9 Jungle Club. How many gold coins did each get?T
Ranger Rick earned 7 map pieces in each of 5 rounds, plus 28 bonus map pieces. Then 4 map pieces were lost. How many map pieces are left?G
Ranger Rick filled 9 boxes with 3 vines each, then found 45 more vines. How many vines are there in all?N
There were 89 bananas in all. 1 bananas were set aside. The rest were shared equally among 8 Jungle Club. How many bananas did each get?A
0/7 letters found
Clue 3
Exponents
We found a locked box with a grid of buttons. The number of buttons grows fast in square layers.
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
36
9
27
243
81
9
169
484
125
324
441
729
8
324
4
9
27
125
4
27
4
729
100
27
216
729
400
27
729
T
36
9
27
169
6^2 =T
9^3 =A
3^2 =H
3^5 =Y
3^3 =E
2^3 =C
3^4 =S
13^2 =R
22^2 =U
5^3 =N
18^2 =K
2^2 =W
21^2 =B
10^2 =V
6^3 =D
20^2 =F
0/16 letters found
Clue 4
Square roots
The secret temple floor is a perfect square. We need to find the length of just one side.
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
24
17
2
25
18
9
7
22
13
25
9
11
14
19
3
22
9
7
25
2
15
13
22
23
5
20
22
4
3
sqrt(576) =W
sqrt(400) =H
sqrt(4) =F
sqrt(196) =S
sqrt(225) =B
sqrt(324) =U
sqrt(121) =G
sqrt(484) =A
sqrt(9) =R
sqrt(16) =I
sqrt(289) =E
sqrt(625) =O
sqrt(529) =C
sqrt(81) =N
sqrt(169) =L
sqrt(49) =D
sqrt(25) =K
sqrt(361) =T
0/18 letters found
Clue 5
Fractions of a number — the last clue
The team shared a basket of sweet papayas. Only a small fraction of the fruit remains in the bag.
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
4/8 of 20 = ?
7/10 of 10 = ?
2/6 of 6 = ?
8/10 of 5 = ?
3/6 of 10 = ?
6/8 of 8 = ?
2/6 of 9 = ?
5/10 of 18 = ?
6/8 of 16 = ?
4/5 of 10 = ?
2/8 of 44 = ?
Step 2 — cross out the sentence with each answer
1.The villain climbs the rope, then talks on a walkie talkie.
2.The villain swings the machete, then checks the compass.
3.The villain swings the machete, then talks on a walkie talkie.
4.The villain looks through binoculars, then shines a torch light.
5.The villain looks through binoculars, then checks the compass.
6.The villain uses a grappling hook, then eats from a snack pack.
7.The villain looks through binoculars, then sprays the bug spray.
8.The villain wears swamp boots, then sprays the bug spray.
9.The villain climbs the rope, then shines a torch light.
10.The villain wears swamp boots, then talks on a walkie talkie.
11.The villain uses a grappling hook, then shines a torch light.
12.The villain looks through binoculars, then eats from a snack pack.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Golden Monkey Mystery
Culprit: Hardy Boy (climbing rope · walkie talkie · right-handed writer · messy black hair · tickle feathers)
- Clue 1 (Fractions of a number): "THE THIEF DOES NOT CARRY A SNACK PACK"6/10 of 90 = 54 (T) · 2/8 of 172 = 43 (R) · 1/4 of 68 = 17 (O) · 5/8 of 56 = 35 (P) · 1/4 of 36 = 9 (F) · 1/6 of 18 = 3 (N) · 2/8 of 188 = 47 (K) · 1/3 of 72 = 24 (H) · 1/3 of 48 = 16 (I) · 2/8 of 192 = 48 (E) · 5/10 of 40 = 20 (C) · 2/8 of 148 = 37 (D) · 1/10 of 110 = 11 (S) · 1/8 of 56 = 7 (A) · 1/8 of 152 = 19 (Y)
- Clue 2 (Multi-step word problems): "RIGHT HANDED WRITER"There were 332 bananas in all. 28 bananas were set aside. The rest were shared equally among 8 Jungle Club. How many bananas did each get? = 38 (R) · Ranger Rick collected 14 map pieces in the morning and 181 map pieces in the afternoon, then split them equally among 3 Jungle Club. How many map pieces did each get? = 65 (H) · Ranger Rick filled 2 boxes with 7 bananas each, then found 1 more bananas. How many bananas are there in all? = 15 (I) · There were 688 gold coins in all. 4 gold coins were set aside. The rest were shared equally among 9 Jungle Club. How many gold coins did each get? = 76 (T) · Ranger Rick earned 7 map pieces in each of 5 rounds, plus 28 bonus map pieces. Then 4 map pieces were lost. How many map pieces are left? = 59 (G) · Ranger Rick filled 9 boxes with 3 vines each, then found 45 more vines. How many vines are there in all? = 72 (N) · There were 89 bananas in all. 1 bananas were set aside. The rest were shared equally among 8 Jungle Club. How many bananas did each get? = 11 (A)
- Clue 3 (Exponents): "THEY SHRUNK BACK WHEN WE WAVED A FEATHER"6^2 = 36 (T) · 9^3 = 729 (A) · 3^2 = 9 (H) · 3^5 = 243 (Y) · 3^3 = 27 (E) · 2^3 = 8 (C) · 3^4 = 81 (S) · 13^2 = 169 (R) · 22^2 = 484 (U) · 5^3 = 125 (N) · 18^2 = 324 (K) · 2^2 = 4 (W) · 21^2 = 441 (B) · 10^2 = 100 (V) · 6^3 = 216 (D) · 20^2 = 400 (F)
- Clue 4 (Square roots): "WE FOUND A LONG STRAND OF BLACK HAIR"sqrt(576) = 24 (W) · sqrt(400) = 20 (H) · sqrt(4) = 2 (F) · sqrt(196) = 14 (S) · sqrt(225) = 15 (B) · sqrt(324) = 18 (U) · sqrt(121) = 11 (G) · sqrt(484) = 22 (A) · sqrt(9) = 3 (R) · sqrt(16) = 4 (I) · sqrt(289) = 17 (E) · sqrt(625) = 25 (O) · sqrt(529) = 23 (C) · sqrt(81) = 9 (N) · sqrt(169) = 13 (L) · sqrt(49) = 7 (D) · sqrt(25) = 5 (K) · sqrt(361) = 19 (T)
- Clue 5 (Fractions of a number): surviving statement (box 1) → Hardy Boy4/8 of 20 = 10 · 7/10 of 10 = 7 · 2/6 of 6 = 2 · 8/10 of 5 = 4 · 3/6 of 10 = 5 · 6/8 of 8 = 6 · 2/6 of 9 = 3 · 5/10 of 18 = 9 · 6/8 of 16 = 12 · 4/5 of 10 = 8 · 2/8 of 44 = 11
About this mystery
- Grade level
- Grade 8 math
- Math topics
- Fractions of a number, Multi-step word problems, Exponents, Square roots
- Reading level
- grades 1-2
- Theme
- The Golden Monkey Mystery — set in Jungle Temple of the Golden Monkey
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects