Math Mysteries
🔎 FallGrade 3Reading: grades 3-4SubtractionPlace valueAdditionRoundingDivision

The Great Fall Festival Heist

Someone swiped the legendary Golden Acorn right from the Apple Hill Cider Mill! Without it, the autumn festival cannot begin. The Head Cider Maker needs your help to track down the sneaky thief before the leaves all drop!

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameHarvest SkillFestival ToolHolding StyleLeaf Crown ColorDistraction
Barnabypie bakingcopper lanternleft handed griporange oak leafwarm apple cider
Rustypie bakingwooden ladleright handed gripyellow birch leafwarm apple cider
Jasperpie bakingsilver rakeright handed gripred maple leafhot pumpkin spice
Wendellpumpkin carvinggolden shearsright handed griporange oak leafhot pumpkin spice
Maisieapple bobbingcopper lanternright handed gripred maple leafwarm apple cider
Rowanpie bakingbronze bucketright handed gripyellow birch leafwarm apple cider
Hazelpie bakingcopper lanternright handed griporange oak leafwarm apple cider
Autumnapple bobbingwooden ladleleft handed gripred maple leafhot pumpkin spice
Gideonapple bobbinggolden shearsright handed gripred maple leafwarm apple cider
Beatrixcorn maze buildinggolden shearsleft handed griporange oak leafwarm apple cider
Orlahayride drivingsilver rakeleft handed gripred maple leafhot pumpkin spice
Daphnehayride drivingwooden ladleleft handed gripyellow birch leafhot pumpkin spice
Calebcorn maze buildingbronze bucketright handed gripred maple leafsweet cinnamon buns
Hunterapple bobbinggolden shearsright handed gripred maple leafhot pumpkin spice
Gingerpumpkin carvinggolden shearsleft handed gripred maple leafhot pumpkin spice
Gourdapple bobbingcopper lanternright handed gripred maple leafhot pumpkin spice
Leifpumpkin carvingcopper lanternright handed gripred maple leafhot pumpkin spice
Sawyercorn maze buildingbronze bucketright handed gripyellow birch leafwarm apple cider
Tabithacorn maze buildingbronze bucketright handed gripyellow birch leafhot pumpkin spice
Willowcorn maze buildinggolden shearsright handed gripred maple leafsweet cinnamon buns
Pipercorn maze buildingwooden ladleright handed gripred maple leafhot pumpkin spice
Clue 1

Subtraction

We count the apples in the bin and subtract the ones that rolled away to find our first hint.

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
690
576
281
T
690
576
215
281
617
116
264
281
348
593
264
T
690
861
348
281
T
690
576
281
398
264
264
116
281
593
257
807
116
257
281
722 - 32 =T
846 - 39 =A
791 - 174 =F
761 - 168 =N
523 - 175 =S
929 - 68 =U
394 - 137 =L
847 - 271 =H
456 - 58 =W
333 - 118 =I
387 - 271 =D
487 - 206 =E
417 - 153 =O
0/13 letters found
Clue 2

Place value

The locker has a three digit code so we look at the tens and ones place value blocks to open it.

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
50
200
1000
70
500
3000
1000
40
200
10
30
40
400
2000
4000
900
200
T
50
200
400
7000
600
1000
600
900
2000
4000
100
What is the value of the 5 in 7,152?T
What is the value of the 3 in 1,936?W
What is the value of the 2 in 9,255?H
What is the value of the 1 in 123?P
What is the value of the 9 in 988?G
What is the value of the 1 in 1,043?E
What is the value of the 3 in 83,061?U
What is the value of the 6 in 681?D
What is the value of the 5 in 524?L
What is the value of the 4 in 4,735?I
What is the value of the 4 in 9,490?A
What is the value of the 1 in 3,815?O
What is the value of the 7 in 97,908?N
What is the value of the 2 in 2,088?R
What is the value of the 4 in 5,948?S
What is the value of the 7 in 278?C
0/16 letters found
Clue 3

Addition

We add up all the pumpkins found in the north patch and south patch to get the next 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
782
891
912
791
883
912
531
955
756
344
274
639
639
912
756
531
891
274
T
782
639
670
504
639
955
432
883
791
639
432
433
912
433
670
639
268 + 514 =T
281 + 389 =U
312 + 192 =M
390 + 493 =N
270 + 621 =H
239 + 552 =S
278 + 154 =I
242 + 289 =A
229 + 204 =C
510 + 246 =D
467 + 488 =K
226 + 118 =R
437 + 475 =E
338 + 301 =P
84 + 190 =O
0/15 letters found
Clue 4

Rounding

The rusty orchard scale only rounds weights to the nearest ten giving us a fast estimate.

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
90
2000
900
9000
700
800
3000
300
7000
2000
3000
8000
300
60
600
2000
600
2000
300
900
300
20
20
400
2000
5000
200
2000
800
2000
Round 89 to the nearest tenW
Round 4,588 to the nearest thousandS
Round 2,785 to the nearest thousandD
Round 8,613 to the nearest thousandO
Round 745 to the nearest hundredU
Round 8,226 to the nearest thousandM
Round 2,153 to the nearest thousandE
Round 429 to the nearest hundredH
Round 580 to the nearest hundredL
Round 7,156 to the nearest thousandR
Round 318 to the nearest hundredA
Round 63 to the nearest tenP
Round 154 to the nearest hundredC
Round 23 to the nearest tenT
Round 943 to the nearest hundredF
Round 809 to the nearest hundredN
0/16 letters found
Clue 5

Division facts (1-12) — the last clue

We divide a bag of sunflower seeds equally among the forest helpers to reveal the last secret.

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 ÷ 5 = ?
90 ÷ 10 = ?
25 ÷ 5 = ?
7 ÷ 1 = ?
24 ÷ 4 = ?
24 ÷ 12 = ?
144 ÷ 12 = ?
66 ÷ 6 = ?
3 ÷ 1 = ?
80 ÷ 8 = ?
44 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain carves a spooky pumpkin face, then lights up the dark with a copper lantern.
2.The villain steers the noisy hayride tractor, then scoops up cool water in a bronze bucket.
3.The villain carves a spooky pumpkin face, then snips the vines with golden shears.
4.The villain bakes a giant flaky apple pie, then snips the vines with golden shears.
5.The villain bobs for three apples at once, then lights up the dark with a copper lantern.
6.The villain creates a tricky corn maze path, then snips the vines with golden shears.
7.The villain carves a spooky pumpkin face, then sweeps the path with a silver rake.
8.The villain bobs for three apples at once, then snips the vines with golden shears.
9.The villain bakes a giant flaky apple pie, then sweeps the path with a silver rake.
10.The villain bobs for three apples at once, then sweeps the path with a silver rake.
11.The villain steers the noisy hayride tractor, then snips the vines with golden shears.
12.The villain bakes a giant flaky apple pie, then lights up the dark with a copper lantern.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Subtraction, Place value, Addition, Rounding, Division
Reading level
grades 3-4
Theme
The Great Fall Festival Heist — set in Apple Hill Orchard
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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