Math Crackers
🔎 Rubik's cube, hockey, foodGrade 4Reading: grades 3-4Fractions of a numberRoundingAdditionSubtraction

The Great Rink Snack Mystery

During the big ice hockey speedcubing tournament, someone snatched the Golden Cheese Trophy right from the snack bar counter!

Suspects

Possible suspects

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

21 of 21 still in play
NameHockey MoveCube TrickGlove HandHelmet StencilSnack Counter
RomanHip CheckBlindfold SolveRight Handed GloveNeon Blue SkaterWarm Cocoa
SidneySpin MoveFinger TrickLeft Handed GloveFiery Orange PuckCrispy Pretzel
PatrickSpin MoveCorner TwistRight Handed GloveNeon Blue SkaterCheesy Nachos
EliasSpin MoveFinger TrickLeft Handed GloveNeon Blue SkaterCrispy Pretzel
CareyHip CheckBlindfold SolveRight Handed GloveBright Yellow GridWarm Cocoa
FilipSpin MoveFinger TrickLeft Handed GloveNeon Blue SkaterWarm Cocoa
NikitaSpin MoveCorner TwistRight Handed GloveBright Yellow GridCrispy Pretzel
MarcWrist ShotFinger TrickLeft Handed GloveNeon Blue SkaterCrispy Pretzel
ArtemiHip CheckBlindfold SolveLeft Handed GloveNeon Blue SkaterCrispy Pretzel
JonathanHip CheckOne Handed SolveLeft Handed GloveBright Yellow GridCheesy Nachos
WayneWrist ShotOne Handed SolveLeft Handed GloveNeon Blue SkaterCrispy Pretzel
AlexanderPoke CheckFinger TrickLeft Handed GloveNeon Blue SkaterCheesy Nachos
AustonWrist ShotOne Handed SolveLeft Handed GloveFiery Orange PuckCheesy Nachos
JackSpin MoveBlindfold SolveRight Handed GloveFiery Orange PuckWarm Cocoa
LeonSpin MoveBlindfold SolveLeft Handed GloveBright Yellow GridCheesy Nachos
MikkoPoke CheckOne Handed SolveLeft Handed GloveBright Yellow GridCheesy Nachos
ConnorSpin MoveCorner TwistRight Handed GloveNeon Blue SkaterCrispy Pretzel
MarioSlap ShotOne Handed SolveRight Handed GloveNeon Blue SkaterCrispy Pretzel
MitchSlap ShotBlindfold SolveRight Handed GloveFiery Orange PuckWarm Cocoa
QuinnWrist ShotColor MatchLeft Handed GloveFiery Orange PuckCrispy Pretzel
StevenHip CheckColor MatchLeft Handed GloveNeon Blue SkaterCrispy Pretzel
Clue 1

Fractions of a number

Chef Mia shared a portion of her total frozen hockey puck snacks with the team to find the first 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
40
5
22
25
11
25
34
22
9
T
40
18
7
22
25
36
7
T
40
11
25
22
7
36
22
5
32
36
18
22
18
25
7
12
13
22
5/10 of 80 =T
1/6 of 42 =O
2/10 of 110 =E
3/5 of 30 =D
2/6 of 96 =A
2/6 of 102 =P
2/10 of 45 =C
3/5 of 20 =L
3/6 of 26 =V
4/5 of 45 =N
3/6 of 50 =S
2/4 of 22 =U
5/8 of 8 =H
0/13 letters found
Clue 2

Rounding

The arena scoreboard rounded the team's total speedcube solving times to the nearest hundred.

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
3000
30
290
2000
9000
70
70
70
4300
W
3000
4300
370
9000
1300
290
90
4300
2000
3700
9000
3700
500
370
900
5000
9000
900
2000
30
300
9000
Round 2,533 to the nearest thousandW
Round 4,709 to the nearest thousandV
Round 92 to the nearest tenH
Round 861 to the nearest hundredO
Round 289 to the nearest hundredC
Round 33 to the nearest tenI
Round 371 to the nearest tenL
Round 1,288 to the nearest hundredF
Round 287 to the nearest tenT
Round 2,280 to the nearest thousandN
Round 4,260 to the nearest hundredA
Round 3,691 to the nearest hundredD
Round 9,171 to the nearest thousandE
Round 73 to the nearest tenS
Round 491 to the nearest hundredG
0/15 letters found
Clue 3

Addition

Coach Dan added up the total weight of hot pretzels and nachos ordered by the rink crowd.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

V
6123
2039
6494
6494
4895
2039
5774
5547
4895
2085
5373
2039
2085
5948
3171
4895
4207
5948
3843
5373
6582
5471
4207
3171
2039
2085
2638
5471
2638
3171
3843
5948
5518
3843
6494
1875 + 4248 =V
3527 + 2020 =W
3414 + 1481 =A
1101 + 984 =S
3281 + 3213 =L
2254 + 4328 =B
1651 + 1520 =R
2303 + 1904 =C
3619 + 2329 =T
1985 + 1858 =E
1935 + 3438 =D
966 + 1073 =I
3368 + 2406 =N
1289 + 1349 =P
3770 + 1701 =Y
3716 + 1802 =Z
0/16 letters found
Clue 4

Subtraction

The rink manager subtracted the missing cheese cubes from the snack bar inventory list.

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
4305
1469
8418
7314
7367
6171
7448
4710
7367
6171
4710
3044
7909
5403
7367
4743
2407
8418
T
4305
7367
1469
6907
8418
4743
7448
6171
5403
4710
2581
8180 - 3875 =T
11084 - 2666 =A
7126 - 1723 =U
8104 - 3394 =N
7965 - 56 =L
9644 - 2196 =F
9783 - 3612 =O
1833 - 364 =R
8802 - 4059 =S
10147 - 3240 =W
3142 - 98 =B
9149 - 1835 =C
9928 - 2561 =E
5613 - 3206 =K
4855 - 2274 =D
0/15 letters found
Clue 5

Fractions of a number — the last clue

The head referee calculated what fraction of the souvenir hockey pucks remained unbroken.

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
1/3 of 30 = ?
1/10 of 120 = ?
5/6 of 6 = ?
1/5 of 15 = ?
6/10 of 10 = ?
1/5 of 45 = ?
1/8 of 32 = ?
3/6 of 14 = ?
1/10 of 80 = ?
4/8 of 4 = ?
1/5 of 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain unleashed a slap shot, then did a blindfold solve.
2.The villain landed a poke check, then showed a one handed solve.
3.The villain fired a wrist shot, then did a blindfold solve.
4.The villain executed a spin move, then performed a corner twist.
5.The villain delivered a hip check, then did a blindfold solve.
6.The villain fired a wrist shot, then performed a corner twist.
7.The villain unleashed a slap shot, then performed a corner twist.
8.The villain landed a poke check, then completed a color match.
9.The villain unleashed a slap shot, then used a fast finger trick.
10.The villain executed a spin move, then used a fast finger trick.
11.The villain fired a wrist shot, then used a fast finger trick.
12.The villain delivered a hip check, then completed a color match.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Fractions of a number, Rounding, Addition, Subtraction
Reading level
grades 3-4
Theme
The Great Rink Snack Mystery — set in Frost Arena Snack Center
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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