Math Crackers
🔎 FlowersGrade 3Reading: grades 3-4Place valueMultiplicationRoundingSkip countingDivision

The Grand Greenhouse Heist

Someone has snuck into the Grand Greenhouse and stolen the rare Rainbow Orchid! The Head Botanist is counting on your detective skills. Search the flower beds, analyze the clues, and help us save the flower show!

Suspects

Possible suspects

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

21 of 21 still in play
NameSignature BloomGardening GearDominant HandPetal Dye Hair ColorGarden Allergy
Clover OatelyGiant LilyGolden TrowelRight-handed spadeLeaf Green HairScared of Honeybees
Aster WilliamsGiant LilySilver PrunersLeft-handed spadePetal Pink HairDislike of Peat Moss
Basil GreenGiant LilyGolden TrowelRight-handed spadeViolet Blue HairSneeze at Pine Pollen
Iris WestGiant LilyBronze ShearsRight-handed spadeViolet Blue HairScared of Honeybees
Jasmin AladinGiant LilyIron Soil ScoopLeft-handed spadeLeaf Green HairScared of Honeybees
Flora FaerieSweet JasmineBronze ShearsLeft-handed spadeViolet Blue HairScared of Honeybees
Reed RichardsGolden SunflowerCopper Watering CanRight-handed spadeLeaf Green HairScared of Honeybees
Petunia DursleyNeon TulipBronze ShearsRight-handed spadeViolet Blue HairDislike of Peat Moss
Fern ArableGolden SunflowerGolden TrowelRight-handed spadeLeaf Green HairScared of Honeybees
Oliver WoodGolden SunflowerBronze ShearsLeft-handed spadeViolet Blue HairScared of Honeybees
Bud BakerSweet JasmineCopper Watering CanRight-handed spadeLeaf Green HairScared of Honeybees
Rose EvansSweet JasmineSilver PrunersRight-handed spadePetal Pink HairDislike of Peat Moss
Ivy CarterMidnight RoseGolden TrowelLeft-handed spadeLeaf Green HairScared of Honeybees
Sage MoonGolden SunflowerGolden TrowelRight-handed spadeViolet Blue HairSneeze at Pine Pollen
Holly HunterSweet JasmineBronze ShearsRight-handed spadeLeaf Green HairDislike of Peat Moss
Willow SmithSweet JasmineCopper Watering CanRight-handed spadeLeaf Green HairSneeze at Pine Pollen
Poppy PetersonMidnight RoseBronze ShearsRight-handed spadeLeaf Green HairSneeze at Pine Pollen
Violet BeauregardSweet JasmineIron Soil ScoopRight-handed spadeLeaf Green HairScared of Honeybees
Alder VanceNeon TulipSilver PrunersRight-handed spadeViolet Blue HairSneeze at Pine Pollen
Lily PotterGiant LilyIron Soil ScoopRight-handed spadeLeaf Green HairScared of Honeybees
Ash KetchumNeon TulipIron Soil ScoopLeft-handed spadeViolet Blue HairSneeze at Pine Pollen
Clue 1

Place value

You find a locked fertilizer crate. Read the digit in the tens place to crack the code and open the lid!

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
3000
20
70
500
60
90
8000
700
T
3000
8000
100
70
400
90
100
T
3000
2000
400
70
60
300
100
5000
5000
70
600
300
60
90
What is the value of the 3 in 63,851?T
What is the value of the 2 in 92,961?U
What is the value of the 7 in 1,722?I
What is the value of the 9 in 1,498?N
What is the value of the 6 in 8,632?R
What is the value of the 5 in 2,529?B
What is the value of the 1 in 174?O
What is the value of the 4 in 475?S
What is the value of the 2 in 3,327?H
What is the value of the 8 in 8,220?D
What is the value of the 3 in 4,345?C
What is the value of the 7 in 8,473?E
What is the value of the 6 in 2,169?A
What is the value of the 5 in 5,787?P
0/14 letters found
Clue 2

Multiplication facts (1-12)

The suspect left footprints near rows of tulips. Multiply the rows of pots to find how many flowers they stepped over.

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

R
4
5
35
1
84
1
144
32
6
132
6
6
5
35
35
5
32
35
18
144
84
1
44
56
144
R
4
28
84
1
132
44
81
5
72
2 × 2 =R
1 × 1 =H
1 × 6 =D
12 × 11 =E
9 × 8 =L
7 × 12 =T
4 × 7 =K
5 × 1 =I
11 × 4 =S
3 × 6 =P
12 × 12 =A
8 × 7 =M
9 × 9 =O
7 × 5 =G
8 × 4 =N
0/15 letters found
Clue 3

Rounding

A broken bag of soil lies on the scale. Round the weight to the nearest ten to unlock the 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
300
500
700
T
300
500
600
700
70
200
7000
80
7000
60
7000
30
70
200
800
40
T
300
500
700
6000
3000
2000
2000
600
80
5000
6000
700
700
400
Round 277 to the nearest hundredT
Round 6,327 to the nearest thousandB
Round 7,028 to the nearest thousandA
Round 4,895 to the nearest thousandG
Round 579 to the nearest hundredI
Round 61 to the nearest tenW
Round 214 to the nearest hundredR
Round 791 to the nearest hundredO
Round 716 to the nearest hundredE
Round 419 to the nearest hundredS
Round 38 to the nearest tenM
Round 73 to the nearest tenF
Round 81 to the nearest tenN
Round 2,799 to the nearest thousandU
Round 1,871 to the nearest thousandZ
Round 499 to the nearest hundredH
Round 29 to the nearest tenY
0/17 letters found
Clue 4

Skip counting

Follow the muddy boot prints on the greenhouse stepping stones. Count by fives to trace the path the suspect took.

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

G
33
20
42
42
40
24
70
15
20
90
28
15
6
6
15
40
G
33
120
50
15
22
42
21
45
15
16
24
16
24
42
28
42
70
110
42
120
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39G
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60M
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110C
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140S
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130V
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60N
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26X
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10P
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48E
0/17 letters found
Clue 5

Division facts (1-12) — the last clue

You find a box of stolen flower bulbs. Divide them equally among the plant pots to see how many bulbs go in each.

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
48 ÷ 12 = ?
36 ÷ 4 = ?
30 ÷ 3 = ?
20 ÷ 10 = ?
3 ÷ 1 = ?
77 ÷ 11 = ?
72 ÷ 9 = ?
60 ÷ 5 = ?
12 ÷ 12 = ?
132 ÷ 12 = ?
35 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain climbs over the ivy trellis, then plucks the glowing rainbow petal.
2.The villain sneaks past the prize roses, then snatches the rare blossom seeds.
3.The villain climbs over the ivy trellis, then digs up the sleeping bulbs.
4.The villain slips through the orchid nursery, then plucks the glowing rainbow petal.
5.The villain slips through the orchid nursery, then pockets the secret plant food formula.
6.The villain slips through the orchid nursery, then digs up the sleeping bulbs.
7.The villain creeps through the fern greenhouse, then plucks the glowing rainbow petal.
8.The villain sneaks past the prize roses, then swipes the golden prize ribbon.
9.The villain sneaks past the prize roses, then digs up the sleeping bulbs.
10.The villain scrambles across the lily pad pond, then plucks the glowing rainbow petal.
11.The villain creeps through the fern greenhouse, then digs up the sleeping bulbs.
12.The villain sneaks past the prize roses, then plucks the glowing rainbow petal.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Place value, Multiplication, Rounding, Skip counting, Division
Reading level
grades 3-4
Theme
The Grand Greenhouse Heist — set in the Bloomville Conservatory
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

More free printable math cases

3rd grade worksheetsMultiplication worksheetsDivision worksheetsRounding worksheetsPlace value worksheetsSkip counting worksheetsAll worksheets →
The Mystery of the Rainbow Reef Trophy
Grade 3
The Mystery of the Missing Golden Trophy
Grade 3
The Mystery of the Missing Golden Trophy
Grade 3
Mystery of the Cloud Island Map
Grade 3