Math Crackers
🦁 AnimalsGrade 3Reading: grades 3-4MultiplicationRoundingAdditionSubtractionDivision

The Great Golden Acorn Heist

Someone snuck into the Pinecone Valley Wildlife Center and snatched the legendary Golden Acorn. Detective Paw needs your help examining evidence to catch the culprit before the annual Forest Feast.

Suspects

Possible suspects

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

21 of 21 still in play
NameSkillGadgetDominant PawFur TypeDistraction
Rosie RedpandaEcho SensingVine WhipLeft PawedSpiky FurShiny Mirrors
Milo OtterCamouflage SkinMud ShieldLeft PawedSleek FurSqueaky Toys
Sammy SquirrelEcho SensingMud ShieldLeft PawedFluffy FurSqueaky Toys
Penny PorcupineSpeed BurrowingAcorn BlasterLeft PawedSleek FurShiny Mirrors
Chester ChipmunkCamouflage SkinAcorn BlasterRight PawedSpiky FurShiny Mirrors
Jasper JackalNight VisionAcorn BlasterLeft PawedSpiky FurCrunchy Treats
Hank HedgehogEcho SensingBerry CannonLeft PawedSpiky FurShiny Mirrors
Sasha SkunkSpeed BurrowingAcorn BlasterRight PawedFluffy FurSqueaky Toys
Felix FerretNight VisionFeather GliderRight PawedSpiky FurShiny Mirrors
Maya MooseEcho SensingMud ShieldLeft PawedSpiky FurShiny Mirrors
Daisy DeerNight VisionFeather GliderRight PawedFluffy FurCrunchy Treats
Oliver OwlEcho SensingMud ShieldLeft PawedFluffy FurShiny Mirrors
Gideon BeaverCamouflage SkinVine WhipLeft PawedSpiky FurShiny Mirrors
Willow WolfSuper HoppingBerry CannonRight PawedSpiky FurCrunchy Treats
Hazel HareSuper HoppingAcorn BlasterRight PawedSleek FurSqueaky Toys
Piper PossumCamouflage SkinAcorn BlasterLeft PawedSpiky FurShiny Mirrors
Rocco RaccoonSpeed BurrowingMud ShieldRight PawedSpiky FurCrunchy Treats
Toby TurtleCamouflage SkinAcorn BlasterRight PawedSleek FurShiny Mirrors
Barnaby BearSuper HoppingFeather GliderLeft PawedSleek FurShiny Mirrors
Bruno LynxNight VisionFeather GliderRight PawedSpiky FurSqueaky Toys
Quincy QuailSpeed BurrowingMud ShieldLeft PawedFluffy FurCrunchy Treats
Clue 1

Multiplication facts (1-12)

Detective Paw counts equal rows of animal tracks leading away from the museum.

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
100
5
24
22
54
64
64
70
54
30
45
56
24
120
30
56
T
100
16
120
24
70
55
24
108
108
32
6
70
30
30
56
30
10 × 10 =T
8 × 4 =Y
11 × 2 =V
5 × 1 =H
8 × 8 =L
10 × 7 =A
2 × 8 =U
2 × 3 =C
5 × 11 =B
10 × 12 =S
9 × 12 =R
6 × 4 =E
9 × 6 =I
9 × 5 =D
8 × 7 =O
10 × 3 =N
0/16 letters found
Clue 2

Rounding

The forest motion sensor display rounds all distances to the nearest ten yards.

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
9000
30
8000
3000
90
3000
900
8000
2000
T
9000
70
8000
4000
T
9000
80
70
8000
4000
T
9000
900
80
6000
900
5000
50
20
T
9000
400
20
T
9000
30
8000
3000
80
4000
8000
Round 9,363 to the nearest thousandT
Round 1,672 to the nearest thousandC
Round 2,945 to the nearest thousandS
Round 6,167 to the nearest thousandW
Round 7,862 to the nearest thousandE
Round 91 to the nearest tenU
Round 4,952 to the nearest thousandR
Round 66 to the nearest tenL
Round 51 to the nearest tenI
Round 24 to the nearest tenN
Round 26 to the nearest tenH
Round 80 to the nearest tenA
Round 3,774 to the nearest thousandF
Round 391 to the nearest hundredO
Round 877 to the nearest hundredP
0/15 letters found
Clue 3

Addition

Ranger Rick adds up all the dropped acorns found in the northern and southern glades.

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
895
779
281
266
759
429
429
976
759
441
289
976
294
294
T
895
650
552
552
281
940
872
383
294
779
759
441
383
345
759
973
973
650
973
294
563 + 332 =T
298 + 642 =D
153 + 192 =M
95 + 171 =V
512 + 360 =B
249 + 303 =P
212 + 217 =L
103 + 186 =W
183 + 98 =E
223 + 218 =N
131 + 252 =Y
401 + 249 =O
281 + 498 =H
529 + 447 =A
455 + 518 =R
196 + 98 =S
466 + 293 =I
0/17 letters found
Clue 4

Subtraction

The team compares total food supplies before and after the heist to find what 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.

T
886
714
521
465
848
521
772
521
848
263
772
T
886
148
801
772
521
471
465
221
801
568
440
497
111
160
1058 - 172 =T
773 - 302 =D
406 - 185 =P
652 - 187 =S
618 - 178 =Y
855 - 54 =I
763 - 195 =K
836 - 122 =H
822 - 325 =F
1005 - 233 =N
866 - 345 =E
332 - 69 =O
181 - 21 =R
233 - 85 =A
906 - 58 =C
392 - 281 =U
0/16 letters found
Clue 5

Division facts (1-12) — the last clue

Detective Paw splits recovered treats equally among search teams to check the leftovers.

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
42 ÷ 7 = ?
88 ÷ 8 = ?
10 ÷ 2 = ?
40 ÷ 4 = ?
6 ÷ 6 = ?
24 ÷ 3 = ?
20 ÷ 5 = ?
14 ÷ 2 = ?
24 ÷ 8 = ?
99 ÷ 11 = ?
10 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain used speed burrowing to dig under the wall, then escaped through the air on a feather glider.
2.The villain used super hopping to leap over the fence, then blocked the cameras with a mud shield.
3.The villain used super hopping to leap over the fence, then swung across the river using a vine whip.
4.The villain used camouflage skin to blend into the trees, then covered the tracks with a berry cannon.
5.The villain used echo sensing to find the vault, then swung across the river using a vine whip.
6.The villain used camouflage skin to blend into the trees, then blasted past guards with an acorn blaster.
7.The villain used super hopping to leap over the fence, then escaped through the air on a feather glider.
8.The villain used speed burrowing to dig under the wall, then swung across the river using a vine whip.
9.The villain used night vision to sneak in the dark, then blocked the cameras with a mud shield.
10.The villain used speed burrowing to dig under the wall, then blocked the cameras with a mud shield.
11.The villain used camouflage skin to blend into the trees, then swung across the river using a vine whip.
12.The villain used echo sensing to find the vault, then blocked the cameras with a mud shield.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Multiplication, Rounding, Addition, Subtraction, Division
Reading level
grades 3-4
Theme
The Great Golden Acorn Heist — set in Pinecone Valley Wildlife Reserve
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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