Grade 4Reading: grades 3-4AdditionRoundingSubtractionMultiplicationDivision
The Sky Temple Heist
Someone snuck into the high Cloud Peak Sky Temple and snatched the ancient Star Compass! Use your math skills to decode the clues and catch the sneaky thief before they sail away into the clouds.
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 | Main Gear | Extra Tool | Dominant Hand | Hairstyle | Weakness |
|---|---|---|---|---|---|
| Charles Lindbergh | glider wings | pocket telescope | right handed | spiky hair | bright flashlights |
| Edmund Hillary | compass charm | map lantern | left handed | spiky hair | loud whistles |
| Roald Amundsen | smoke bombs | signal whistle | right handed | spiky hair | loud whistles |
| Matthew Henson | climbing boots | rope ladder | left handed | spiky hair | bright flashlights |
| Tenzing Norgay | smoke bombs | rope ladder | left handed | spiky hair | loud whistles |
| Howard Hughes | smoke bombs | wind visor | left handed | braided hair | bright flashlights |
| Alan Shepard | grappling hook | pocket telescope | left handed | braided hair | loud whistles |
| Amelia Earhart | smoke bombs | map lantern | left handed | spiky hair | loud whistles |
| Yuri Gagarin | smoke bombs | signal whistle | left handed | spiky hair | sticky honey |
| Guion Bluford | grappling hook | wind visor | left handed | spiky hair | sticky honey |
| Kalpana Chawla | smoke bombs | rope ladder | right handed | spiky hair | sticky honey |
| Mae Jemison | climbing boots | pocket telescope | right handed | braided hair | loud whistles |
| Ibn Battuta | climbing boots | signal whistle | left handed | braided hair | loud whistles |
| Sacagawea | smoke bombs | pocket telescope | left handed | spiky hair | loud whistles |
| Leif Erikson | climbing boots | pocket telescope | left handed | braided hair | loud whistles |
| Nellie Bly | smoke bombs | wind visor | right handed | braided hair | loud whistles |
| Valentina Tereshkova | smoke bombs | map lantern | left handed | braided hair | sticky honey |
| Bessie Coleman | grappling hook | map lantern | left handed | braided hair | loud whistles |
| Marco Polo | glider wings | pocket telescope | left handed | curly hair | bright flashlights |
| Sally Ride | glider wings | map lantern | right handed | curly hair | sticky honey |
| Jacques Cousteau | compass charm | wind visor | left handed | spiky hair | loud whistles |
Clue 1
Addition
You add up all the gear bags found on the airship deck to reveal the first hidden message.
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
7096
2125
4591
2016
6956
5093
9380
8474
T
7096
9380
8474
9380
5093
8085
T
7096
5809
5662
4591
6956
3164
8085
9213
4591
9223
6956
9380
9380
4591
3164
3847 + 3249 =T
4510 + 2446 =A
5328 + 3895 =L
2020 + 3642 =S
5340 + 2745 =O
874 + 1251 =H
6481 + 2899 =D
1326 + 690 =B
3718 + 2091 =U
3023 + 6190 =P
2440 + 2653 =N
2623 + 1968 =E
5247 + 3227 =I
1427 + 1737 =R
0/14 letters found
Clue 2
Rounding
The altimeter screen rounds the runner height reading to the nearest hundred to show a clear clue.
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
2900
1300
50
290
2300
T
2900
170
50
370
370
170
7000
T
2900
2300
20
50
9000
1100
430
50
200
T
2900
1300
1100
170
9000
50
9000
900
1700
2300
4300
Round 2,924 to the nearest hundredT
Round 871 to the nearest hundredG
Round 51 to the nearest tenE
Round 1,280 to the nearest hundredH
Round 368 to the nearest tenS
Round 290 to the nearest tenW
Round 1,749 to the nearest hundredR
Round 427 to the nearest tenL
Round 4,299 to the nearest hundredP
Round 2,332 to the nearest hundredI
Round 8,918 to the nearest thousandD
Round 230 to the nearest hundredF
Round 1,079 to the nearest hundredA
Round 24 to the nearest tenC
Round 169 to the nearest tenN
Round 7,011 to the nearest thousandO
0/16 letters found
Clue 3
Subtraction
You subtract the missing energy cells from the total supply to unlock the next secret paper.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
L
3834
6543
1623
1251
2678
7560
7035
6536
4142
L
3834
2846
6536
6536
7786
4649
1421
2846
1251
4142
7560
2846
2066
7035
L
3834
L
3834
4649
7035
6191
4649
2678
4649
5231
5739 - 1905 =L
9164 - 4515 =A
4570 - 2504 =V
7387 - 3245 =T
11406 - 3846 =H
11898 - 4112 =C
3300 - 454 =E
6056 - 3378 =W
3374 - 2123 =D
6217 - 986 =Y
3847 - 2224 =U
9477 - 2934 =O
8284 - 2093 =N
4968 - 3547 =R
11973 - 4938 =I
10330 - 3794 =S
0/16 letters found
Clue 4
Multiplication facts (1-12)
You count four equal rows of storage chests to figure out the total clue count.
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
42
132
27
120
70
27
49
24
72
64
90
90
27
24
1
132
64
36
14
8
110
1
90
14
99
88
132
A
42
14
72
7 × 6 =A
7 × 7 =T
9 × 3 =E
11 × 8 =Y
11 × 10 =G
7 × 2 =I
6 × 6 =W
9 × 11 =K
10 × 7 =M
1 × 1 =S
8 × 8 =O
12 × 10 =L
10 × 9 =P
6 × 4 =D
12 × 6 =R
12 × 11 =H
4 × 2 =N
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
You divide the sky maps evenly among three explorers to discover the villain location.
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
40 ÷ 10 = ?
8 ÷ 8 = ?
35 ÷ 7 = ?
15 ÷ 5 = ?
10 ÷ 5 = ?
12 ÷ 1 = ?
18 ÷ 3 = ?
24 ÷ 3 = ?
72 ÷ 8 = ?
55 ÷ 5 = ?
77 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain checks the magic compass, then adjusts a wind visor.
2.The villain swings across the chasm, then adjusts a wind visor.
3.The villain swings across the chasm, then blows a signal whistle.
4.The villain drops a smoke cloud, then scans with a telescope.
5.The villain drops a smoke cloud, then lights a map lantern.
6.The villain drops a smoke cloud, then drops a rope ladder.
7.The villain checks the magic compass, then drops a rope ladder.
8.The villain zaps the temple lock, then scans with a telescope.
9.The villain swings across the chasm, then scans with a telescope.
10.The villain checks the magic compass, then lights a map lantern.
11.The villain scales the stone wall, then scans with a telescope.
12.The villain checks the magic compass, then scans with a telescope.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Sky Temple Heist
Culprit: Edmund Hillary (compass charm · map lantern · left handed · spiky hair · loud whistles)
- Clue 1 (Addition): "THE BANDIT DID NOT USE A ROPE LADDER"3847 + 3249 = 7096 (T) · 4510 + 2446 = 6956 (A) · 5328 + 3895 = 9223 (L) · 2020 + 3642 = 5662 (S) · 5340 + 2745 = 8085 (O) · 874 + 1251 = 2125 (H) · 6481 + 2899 = 9380 (D) · 1326 + 690 = 2016 (B) · 3718 + 2091 = 5809 (U) · 3023 + 6190 = 9213 (P) · 2440 + 2653 = 5093 (N) · 2623 + 1968 = 4591 (E) · 5247 + 3227 = 8474 (I) · 1427 + 1737 = 3164 (R)
- Clue 2 (Rounding): "THE WITNESS NOTICED A LEFT HANDED GRIP"Round 2,924 to the nearest hundred = 2900 (T) · Round 871 to the nearest hundred = 900 (G) · Round 51 to the nearest ten = 50 (E) · Round 1,280 to the nearest hundred = 1300 (H) · Round 368 to the nearest ten = 370 (S) · Round 290 to the nearest ten = 290 (W) · Round 1,749 to the nearest hundred = 1700 (R) · Round 427 to the nearest ten = 430 (L) · Round 4,299 to the nearest hundred = 4300 (P) · Round 2,332 to the nearest hundred = 2300 (I) · Round 8,918 to the nearest thousand = 9000 (D) · Round 230 to the nearest hundred = 200 (F) · Round 1,079 to the nearest hundred = 1100 (A) · Round 24 to the nearest ten = 20 (C) · Round 169 to the nearest ten = 170 (N) · Round 7,011 to the nearest thousand = 7000 (O)
- Clue 3 (Subtraction): "LOUD WHISTLES SCARED THE VILLAIN AWAY"5739 - 1905 = 3834 (L) · 9164 - 4515 = 4649 (A) · 4570 - 2504 = 2066 (V) · 7387 - 3245 = 4142 (T) · 11406 - 3846 = 7560 (H) · 11898 - 4112 = 7786 (C) · 3300 - 454 = 2846 (E) · 6056 - 3378 = 2678 (W) · 3374 - 2123 = 1251 (D) · 6217 - 986 = 5231 (Y) · 3847 - 2224 = 1623 (U) · 9477 - 2934 = 6543 (O) · 8284 - 2093 = 6191 (N) · 4968 - 3547 = 1421 (R) · 11973 - 4938 = 7035 (I) · 10330 - 3794 = 6536 (S)
- Clue 4 (Multiplication facts (1-12)): "A HELMET DROPPED SHOWING SPIKY HAIR"7 × 6 = 42 (A) · 7 × 7 = 49 (T) · 9 × 3 = 27 (E) · 11 × 8 = 88 (Y) · 11 × 10 = 110 (G) · 7 × 2 = 14 (I) · 6 × 6 = 36 (W) · 9 × 11 = 99 (K) · 10 × 7 = 70 (M) · 1 × 1 = 1 (S) · 8 × 8 = 64 (O) · 12 × 10 = 120 (L) · 10 × 9 = 90 (P) · 6 × 4 = 24 (D) · 12 × 6 = 72 (R) · 12 × 11 = 132 (H) · 4 × 2 = 8 (N)
- Clue 5 (Division facts (1-12)): surviving statement (box 10) → Edmund Hillary40 ÷ 10 = 4 · 8 ÷ 8 = 1 · 35 ÷ 7 = 5 · 15 ÷ 5 = 3 · 10 ÷ 5 = 2 · 12 ÷ 1 = 12 · 18 ÷ 3 = 6 · 24 ÷ 3 = 8 · 72 ÷ 8 = 9 · 55 ÷ 5 = 11 · 77 ÷ 11 = 7
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Addition, Rounding, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Sky Temple Heist — set in Cloud Peak Sky Temple
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects