Grade 3Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
The Lost Totem of Whispering Vines
Someone has swiped the Golden Monkey Totem from the camp! The Chief Archeologist needs your help to track down the Masked Raider before they sail away.
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 | adventuring gear | animal companion | footprint type | headwear | weakness |
|---|---|---|---|---|---|
| Huck Finn | smoke bomb | parrot buddy | wearing mud boots | red bandanna | banana peels |
| Sadie Kane | glider suit | robot dog | wearing sand sandals | explorer cap | loud whistles |
| Indiana Jones | pocket compass | robot dog | wearing mud boots | safari helmet | loud whistles |
| Marco Polo | climbing boots | giant beetle | wearing sand sandals | safari helmet | shiny coins |
| Jack Wilder | smoke bomb | giant beetle | wearing sand sandals | red bandanna | banana peels |
| Dora Marquez | grappling hook | robot dog | wearing mud boots | explorer cap | shiny coins |
| Nathan Drake | smoke bomb | helper monkey | wearing mud boots | explorer cap | banana peels |
| Tom Sawyer | pocket compass | baby raptor | wearing sand sandals | red bandanna | loud whistles |
| Nancy Drew | grappling hook | giant beetle | wearing sand sandals | red bandanna | loud whistles |
| Annie Oakley | grappling hook | baby raptor | wearing sand sandals | red bandanna | loud whistles |
| Jean Lafitte | grappling hook | baby raptor | wearing mud boots | safari helmet | banana peels |
| Carter Kane | smoke bomb | baby raptor | wearing sand sandals | explorer cap | banana peels |
| Robin Hood | pocket compass | parrot buddy | wearing sand sandals | safari helmet | shiny coins |
| Lara Croft | grappling hook | parrot buddy | wearing sand sandals | explorer cap | banana peels |
| Percy Jackson | glider suit | baby raptor | wearing sand sandals | safari helmet | banana peels |
| Diego Marquez | climbing boots | robot dog | wearing mud boots | explorer cap | banana peels |
| Hardy Boy | pocket compass | helper monkey | wearing sand sandals | explorer cap | banana peels |
| Hazel Levesque | pocket compass | giant beetle | wearing sand sandals | red bandanna | banana peels |
| Leo Valdez | climbing boots | robot dog | wearing sand sandals | safari helmet | loud whistles |
| Nellie Bly | glider suit | parrot buddy | wearing sand sandals | explorer cap | banana peels |
| Daniel Boone | grappling hook | giant beetle | wearing sand sandals | explorer cap | banana peels |
Clue 1
Rounding
The camp radar screen only shows rounded numbers for distances. Let us round the miles to find where the thief went.
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
8000
500
50
7000
20
900
60
50
7000
60
90
50
2000
6000
90
T
8000
500
20
40
50
20
30
20
30
4000
7000
20
70
T
8000
90
7000
Round 8,113 to the nearest thousandT
Round 22 to the nearest tenA
Round 3,994 to the nearest thousandY
Round 88 to the nearest tenO
Round 31 to the nearest tenB
Round 891 to the nearest hundredI
Round 51 to the nearest tenE
Round 61 to the nearest tenD
Round 6,147 to the nearest thousandN
Round 42 to the nearest tenV
Round 69 to the nearest tenP
Round 488 to the nearest hundredH
Round 2,264 to the nearest thousandS
Round 6,567 to the nearest thousandR
0/14 letters found
Clue 2
Addition
The team counts the remaining supply crates. We must add the piles of gear to see what else 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.
S
752
279
616
762
886
493
494
494
578
857
334
621
616
578
S
752
407
760
334
760
764
760
493
578
279
578
578
633
760
708
279
211
857
460 + 292 =S
393 + 464 =P
160 + 334 =O
184 + 150 =R
414 + 350 =L
309 + 307 =N
154 + 253 =W
353 + 407 =E
117 + 162 =A
64 + 147 =M
353 + 268 =I
233 + 260 =F
350 + 412 =D
576 + 310 =Y
483 + 225 =C
299 + 334 =H
345 + 233 =T
0/17 letters found
Clue 3
Subtraction
Our water canteen is nearly empty. Subtract the spilled cups from the total to see how much water we have 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
220
145
710
769
873
844
302
175
175
710
345
117
296
873
117
763
710
130
271
296
271
296
271
175
710
710
844
873
507 - 287 =T
539 - 268 =A
270 - 95 =P
968 - 199 =Y
1148 - 304 =L
420 - 124 =N
350 - 48 =I
1090 - 380 =E
433 - 316 =O
472 - 127 =D
899 - 136 =M
174 - 44 =B
1076 - 203 =S
348 - 203 =H
0/14 letters found
Clue 4
Multiplication facts (1-12)
We must cross a room of ancient stone tiles laid out in equal rows. Multiply the rows and columns to find the safe path.
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
90
21
7
10
25
16
30
1
7
1
6
A
90
25
55
A
90
44
80
30
132
21
33
84
21
72
100
7
121
1
132
44
100
9 × 10 =A
12 × 6 =T
1 × 7 =E
8 × 2 =L
8 × 10 =F
3 × 11 =D
1 × 6 =C
1 × 1 =R
10 × 3 =O
10 × 10 =H
11 × 11 =B
5 × 5 =P
12 × 7 =I
7 × 3 =N
11 × 4 =S
1 × 10 =X
11 × 5 =W
11 × 12 =U
0/18 letters found
Clue 5
Division facts (1-12) — the last clue
It is time to share our trail snacks. We must divide the crackers evenly among the search team to keep up our strength.
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
36 ÷ 3 = ?
54 ÷ 6 = ?
7 ÷ 7 = ?
12 ÷ 3 = ?
22 ÷ 2 = ?
33 ÷ 11 = ?
18 ÷ 3 = ?
10 ÷ 5 = ?
15 ÷ 3 = ?
21 ÷ 3 = ?
70 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain checks the heading on a pocket compass, then gives a high five to a helper monkey.
2.The villain vanishes in a puff of smoke from a smoke bomb, then gives a high five to a helper monkey.
3.The villain scales the temple wall with climbing boots, then shares a snack with a parrot buddy.
4.The villain checks the heading on a pocket compass, then feeds a leafy treat to a baby raptor.
5.The villain scales the temple wall with climbing boots, then gives a high five to a helper monkey.
6.The villain soars off the cliff in a glider suit, then rides away on a giant beetle.
7.The villain vanishes in a puff of smoke from a smoke bomb, then throws a tennis ball to a robot dog.
8.The villain soars off the cliff in a glider suit, then shares a snack with a parrot buddy.
9.The villain swings across the canyon with a grappling hook, then rides away on a giant beetle.
10.The villain soars off the cliff in a glider suit, then gives a high five to a helper monkey.
11.The villain vanishes in a puff of smoke from a smoke bomb, then rides away on a giant beetle.
12.The villain swings across the canyon with a grappling hook, then shares a snack with a parrot buddy.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Lost Totem of Whispering Vines
Culprit: Nellie Bly (glider suit · parrot buddy · wearing sand sandals · explorer cap · banana peels)
- Clue 1 (Rounding): "THE RAIDER DOES NOT HAVE A BABY RAPTOR"Round 8,113 to the nearest thousand = 8000 (T) · Round 22 to the nearest ten = 20 (A) · Round 3,994 to the nearest thousand = 4000 (Y) · Round 88 to the nearest ten = 90 (O) · Round 31 to the nearest ten = 30 (B) · Round 891 to the nearest hundred = 900 (I) · Round 51 to the nearest ten = 50 (E) · Round 61 to the nearest ten = 60 (D) · Round 6,147 to the nearest thousand = 6000 (N) · Round 42 to the nearest ten = 40 (V) · Round 69 to the nearest ten = 70 (P) · Round 488 to the nearest hundred = 500 (H) · Round 2,264 to the nearest thousand = 2000 (S) · Round 6,567 to the nearest thousand = 7000 (R)
- Clue 2 (Addition): "SANDY FOOTPRINTS WERE LEFT AT THE CAMP"460 + 292 = 752 (S) · 393 + 464 = 857 (P) · 160 + 334 = 494 (O) · 184 + 150 = 334 (R) · 414 + 350 = 764 (L) · 309 + 307 = 616 (N) · 154 + 253 = 407 (W) · 353 + 407 = 760 (E) · 117 + 162 = 279 (A) · 64 + 147 = 211 (M) · 353 + 268 = 621 (I) · 233 + 260 = 493 (F) · 350 + 412 = 762 (D) · 576 + 310 = 886 (Y) · 483 + 225 = 708 (C) · 299 + 334 = 633 (H) · 345 + 233 = 578 (T)
- Clue 3 (Subtraction): "THEY SLIPPED ON SOME BANANA PEELS"507 - 287 = 220 (T) · 539 - 268 = 271 (A) · 270 - 95 = 175 (P) · 968 - 199 = 769 (Y) · 1148 - 304 = 844 (L) · 420 - 124 = 296 (N) · 350 - 48 = 302 (I) · 1090 - 380 = 710 (E) · 433 - 316 = 117 (O) · 472 - 127 = 345 (D) · 899 - 136 = 763 (M) · 174 - 44 = 130 (B) · 1076 - 203 = 873 (S) · 348 - 203 = 145 (H)
- Clue 4 (Multiplication facts (1-12)): "AN EXPLORER CAP WAS FOUND IN THE BRUSH"9 × 10 = 90 (A) · 12 × 6 = 72 (T) · 1 × 7 = 7 (E) · 8 × 2 = 16 (L) · 8 × 10 = 80 (F) · 3 × 11 = 33 (D) · 1 × 6 = 6 (C) · 1 × 1 = 1 (R) · 10 × 3 = 30 (O) · 10 × 10 = 100 (H) · 11 × 11 = 121 (B) · 5 × 5 = 25 (P) · 12 × 7 = 84 (I) · 7 × 3 = 21 (N) · 11 × 4 = 44 (S) · 1 × 10 = 10 (X) · 11 × 5 = 55 (W) · 11 × 12 = 132 (U)
- Clue 5 (Division facts (1-12)): surviving statement (box 8) → Nellie Bly36 ÷ 3 = 12 · 54 ÷ 6 = 9 · 7 ÷ 7 = 1 · 12 ÷ 3 = 4 · 22 ÷ 2 = 11 · 33 ÷ 11 = 3 · 18 ÷ 3 = 6 · 10 ÷ 5 = 2 · 15 ÷ 3 = 5 · 21 ÷ 3 = 7 · 70 ÷ 7 = 10
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Lost Totem of Whispering Vines — set in Whispering Vines Jungle
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects