Math Crackers
🔎 Super mario brosGrade 4Reading: grades 3-4Place valueAdditionRoundingSubtractionDivision

The Great Pipe Kingdom Mystery

Someone snuck into the Mushroom Castle Vaults and swapped the Golden Star for a painted rock! The Grand Keeper of Coins needs your math skills to inspect the scene, decode clues, and identify the Pipe Bandit.

Suspects

Possible suspects

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

21 of 21 still in play
NameMain PowerExtra PowerObserved TellHair TypeWeakness
Mayor MushroomIce FlowerPropeller BoxRight HandedSmooth HairKoopa Shell
Builder BenIce FlowerDash BootsRight HandedSpiky HairBanana Peel
Professor PumperSuper MushroomCloud FlowerLeft HandedSpiky HairKoopa Shell
Builder BobbieSuper MushroomMini MushroomRight HandedCurly HairKoopa Shell
Baron BowserSuper MushroomMini MushroomRight HandedSpiky HairKoopa Shell
Scout TopperIce FlowerCloud FlowerLeft HandedSmooth HairKoopa Shell
Racer RexPenguin SuitPropeller BoxRight HandedSpiky HairKoopa Shell
Princess PennyIce FlowerMini MushroomRight HandedSpiky HairKoopa Shell
Plumber PippinSuper MushroomSpring MushroomLeft HandedCurly HairBob Omb Drop
Squire SpikePenguin SuitSpring MushroomLeft HandedCurly HairBanana Peel
Officer OliveFire FlowerDash BootsRight HandedSpiky HairKoopa Shell
Guard RufusSuper LeafPropeller BoxLeft HandedSpiky HairBanana Peel
Professor PipePenguin SuitDash BootsLeft HandedSmooth HairBanana Peel
Plumber PaoloIce FlowerSpring MushroomRight HandedSmooth HairKoopa Shell
Plumber BrunoSuper LeafMini MushroomLeft HandedSmooth HairBob Omb Drop
Captain CopperSuper MushroomCloud FlowerLeft HandedSmooth HairBanana Peel
Racer RitaPenguin SuitPropeller BoxRight HandedSmooth HairKoopa Shell
Prince PippoSuper MushroomPropeller BoxLeft HandedSpiky HairKoopa Shell
Plumber MarcoSuper LeafCloud FlowerLeft HandedSpiky HairBob Omb Drop
Chef ToadettePenguin SuitPropeller BoxLeft HandedSmooth HairBanana Peel
Agent ArchieSuper MushroomCloud FlowerRight HandedSpiky HairKoopa Shell
Clue 1

Place value

The vault keypad has a glowing digit code. A note shows the exact place value of the key digit.

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
4000
300
90
20
1000
900
900
50
1000
8000
9000
60
90
3000
8000
60
T
4000
70
3000
90
50
100
200
60
100
90
900
900
90
200
10
60
400
What is the value of the 4 in 4,011?T
What is the value of the 3 in 300?H
What is the value of the 3 in 3,057?S
What is the value of the 9 in 964?L
What is the value of the 1 in 3,219?B
What is the value of the 1 in 126?P
What is the value of the 8 in 8,321?N
What is the value of the 9 in 9,355?D
What is the value of the 7 in 974?U
What is the value of the 2 in 8,328?V
What is the value of the 2 in 270?R
What is the value of the 1 in 1,466?I
What is the value of the 4 in 410?X
What is the value of the 5 in 1,251?A
What is the value of the 6 in 3,265?O
What is the value of the 9 in 396?E
0/16 letters found
Clue 2

Addition

The castle guards tally up the shiny gold coins found along the secret warp pipe 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.

T
6096
8882
9433
3858
3614
6020
6020
9202
3614
5636
3929
9202
8992
8992
9433
9433
5636
5171
8992
3614
5636
9400
T
6096
8882
9433
3614
6835
6835
3614
9400
8882
T
6096
8882
9202
5636
5426
1941 + 4155 =T
1920 + 3506 =D
2506 + 1108 =I
3459 + 3376 =R
2088 + 1841 =W
2021 + 3615 =N
5849 + 3584 =E
4283 + 4919 =A
5826 + 3056 =H
5466 + 3934 =G
3240 + 5752 =S
3329 + 2691 =L
2323 + 2848 =U
2047 + 1811 =V
0/14 letters found
Clue 3

Rounding

The pipe radar tracks the intruder distance, but the display rounds all numbers 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.

A
7000
1100
300
300
30
A
7000
2000
2300
1300
3000
3000
1100
3700
300
900
1100
1300
9000
9000
300
2900
3700
50
2300
1300
230
370
3000
3000
A
7000
370
3700
Round 6,779 to the nearest thousandA
Round 3,694 to the nearest hundredN
Round 898 to the nearest hundredC
Round 27 to the nearest tenP
Round 374 to the nearest tenI
Round 1,092 to the nearest hundredK
Round 8,685 to the nearest thousandD
Round 2,327 to the nearest hundredH
Round 3,390 to the nearest thousandL
Round 259 to the nearest hundredO
Round 233 to the nearest tenV
Round 2,047 to the nearest thousandS
Round 49 to the nearest tenT
Round 1,253 to the nearest hundredE
Round 2,892 to the nearest hundredW
0/15 letters found
Clue 4

Subtraction

The repair crew measures how many extra power mushrooms remain after subtracting the stolen stock.

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
8366
4606
8479
7609
3610
4681
6534
8479
8881
S
8366
1232
8881
6534
4547
8275
S
8366
3868
6846
8881
6846
1911
6846
4110
1232
4547
6846
6534
8881
1232
4681
6846
4606
8479
4606
6846
12618 - 4252 =S
5571 - 1024 =N
7397 - 2716 =H
4954 - 3722 =T
5584 - 1974 =Y
5567 - 3656 =L
7254 - 3144 =F
10637 - 2362 =D
7920 - 4052 =W
10439 - 3593 =E
11366 - 4832 =A
5482 - 876 =P
11032 - 2151 =R
9154 - 675 =I
12503 - 4894 =K
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

The team splits the recovered star bits equally into glowing prize boxes to find the final 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
30 ÷ 6 = ?
48 ÷ 4 = ?
132 ÷ 12 = ?
1 ÷ 1 = ?
27 ÷ 3 = ?
48 ÷ 12 = ?
10 ÷ 5 = ?
63 ÷ 9 = ?
42 ÷ 7 = ?
80 ÷ 8 = ?
88 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain shot bright fireballs, then made cloud platforms.
2.The villain froze the warp pipes, then flew up into the sky.
3.The villain shot bright fireballs, then dashed past the guards.
4.The villain slid across blue ice, then made cloud platforms.
5.The villain grew double in size, then made cloud platforms.
6.The villain slid across blue ice, then flew up into the sky.
7.The villain shot bright fireballs, then squeaked through tiny cracks.
8.The villain floated using a tail, then squeaked through tiny cracks.
9.The villain slid across blue ice, then bounced high over walls.
10.The villain grew double in size, then flew up into the sky.
11.The villain grew double in size, then squeaked through tiny cracks.
12.The villain froze the warp pipes, then squeaked through tiny cracks.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Place value, Addition, Rounding, Subtraction, Division
Reading level
grades 3-4
Theme
The Great Pipe Kingdom Mystery — set in Mushroom Castle Vaults
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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