🔎 گلGrade 4Reading: grades 3-4AdditionRoundingSubtractionMultiplicationDivision
The Case of the Missing Rainbow Orchid
Someone broke into the Whispering Greenhouse and snatched the legendary Rainbow Orchid right before the Grand Spring Festival! Sprout the Squirrel needs your help to track down the culprit before the opening ceremony.
Suspects
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
21 of 21 still in play
| Name | Favorite Flower | Garden Tool | Watering Style | Flower Crown | Allergy Trigger |
|---|---|---|---|---|---|
| Rowan Moss | Rose | Silver Shears | Left-handed watering | Yellow Daisies | Scared of garden snails |
| Holly Woods | Rose | Brass Rake | Right-handed watering | Yellow Daisies | Hates heavy rain |
| Petunia Potts | Tulip | Glass Watering Can | Right-handed watering | Red Roses | Sneezes from pollen |
| Hazel Wood | Lily | Golden Trowel | Left-handed watering | Red Roses | Scared of garden snails |
| Laurel Crown | Daisy | Silk Ribbon | Right-handed watering | Red Roses | Sneezes from pollen |
| Ivy Gardner | Rose | Glass Watering Can | Left-handed watering | Yellow Daisies | Sneezes from pollen |
| Poppy Field | Rose | Golden Trowel | Right-handed watering | Yellow Daisies | Scared of garden snails |
| Marigold Finch | Rose | Glass Watering Can | Left-handed watering | Yellow Daisies | Hates heavy rain |
| Clover Mead | Orchid | Silk Ribbon | Right-handed watering | Blue Orchids | Scared of garden snails |
| Aster Clay | Rose | Golden Trowel | Right-handed watering | Yellow Daisies | Hates heavy rain |
| Willow Brook | Orchid | Brass Rake | Right-handed watering | Blue Orchids | Hates heavy rain |
| Jasmine Green | Lily | Silk Ribbon | Left-handed watering | Yellow Daisies | Scared of garden snails |
| Heather Glen | Tulip | Silk Ribbon | Right-handed watering | Yellow Daisies | Sneezes from pollen |
| Flora Rose | Tulip | Golden Trowel | Right-handed watering | Yellow Daisies | Hates heavy rain |
| Violet Thorne | Lily | Silk Ribbon | Right-handed watering | Yellow Daisies | Hates heavy rain |
| Fern Valley | Daisy | Glass Watering Can | Left-handed watering | Red Roses | Sneezes from pollen |
| Dahlia Stone | Rose | Glass Watering Can | Right-handed watering | Yellow Daisies | Hates heavy rain |
| Lily Bloom | Rose | Glass Watering Can | Right-handed watering | Blue Orchids | Scared of garden snails |
| Daisy Miller | Rose | Silver Shears | Right-handed watering | Yellow Daisies | Scared of garden snails |
| Sage Mercer | Lily | Golden Trowel | Right-handed watering | Blue Orchids | Sneezes from pollen |
| Oliver Oak | Orchid | Silk Ribbon | Left-handed watering | Blue Orchids | Scared of garden snails |
Clue 1
Addition
To unlock the greenhouse gate, we must count the total number of seed packets found on the trail. Let us add the red packets and the blue packets together.
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
5659
7438
8133
8593
5850
4501
4501
4655
5850
3885
2813
6745
8133
5699
3885
6745
T
5659
8824
5699
8133
4655
5699
5850
4501
2499
6620
5850
5952
5952
6745
3885
1751 + 3908 =T
1180 + 1633 =D
5231 + 2902 =E
3427 + 2525 =B
3666 + 2954 =R
3710 + 3728 =H
3452 + 3293 =O
2301 + 2200 =L
3768 + 1931 =S
5337 + 3487 =U
1596 + 903 =K
1902 + 2753 =A
1777 + 2108 =N
5114 + 3479 =V
2518 + 3332 =I
0/15 letters found
Clue 2
Rounding
The magical sunflower growth chart only displays estimated heights. We must round the actual height of the tallest sunflower to the nearest ten to read 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
110
130
9000
1100
370
290
T
110
3700
200
1300
5000
170
230
900
1700
200
300
2900
9000
1100
5000
170
T
110
130
9000
290
370
30
130
T
110
1300
370
1100
9000
Round 111 to the nearest tenT
Round 174 to the nearest tenN
Round 1,722 to the nearest hundredP
Round 2,864 to the nearest hundredK
Round 131 to the nearest tenH
Round 318 to the nearest hundredC
Round 1,320 to the nearest hundredS
Round 233 to the nearest tenL
Round 366 to the nearest tenI
Round 226 to the nearest hundredA
Round 4,845 to the nearest thousandO
Round 3,703 to the nearest hundredW
Round 871 to the nearest hundredY
Round 28 to the nearest tenG
Round 1,121 to the nearest hundredD
Round 8,674 to the nearest thousandE
Round 290 to the nearest tenR
0/17 letters found
Clue 3
Subtraction
The thief knocked over a water barrel! To find the next hint, we need to subtract the spilled water from the starting amount in the barrel.
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
4579
5380
7918
5036
6997
7918
4410
8947
5392
T
4579
5380
3575
7918
6981
6834
4410
6997
6981
6834
8290
2647
T
4579
5380
7918
5380
7918
4410
1595
5392
6834
4410
3575
6997
7201 - 2622 =T
5916 - 3269 =M
6057 - 665 =Y
9053 - 1135 =E
9363 - 4953 =A
10376 - 3395 =F
10158 - 4778 =H
9224 - 277 =K
10392 - 3558 =R
9950 - 2953 =N
8804 - 3768 =S
6556 - 4961 =V
5101 - 1526 =I
10556 - 2266 =O
0/14 letters found
Clue 4
Multiplication facts (1-12)
The flower pots are arranged in perfect, neat rows. We can multiply the rows by the columns to count the total number of plants and reveal a secret message.
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
42
54
49
28
28
4
72
84
A
42
44
81
54
70
49
25
A
42
28
72
A
42
81
28
49
144
25
4
96
25
32
49
88
90
4
77
96
84
6 × 7 =A
4 × 11 =I
7 × 4 =L
7 × 12 =D
11 × 7 =U
6 × 12 =W
7 × 7 =E
9 × 9 =S
12 × 12 =F
4 × 8 =H
1 × 4 =O
10 × 9 =R
5 × 5 =T
12 × 8 =N
6 × 9 =Y
8 × 11 =G
10 × 7 =P
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
We found a pile of stolen flower bulbs that need to be shared equally among the garden beds. Let us divide the bulbs to see how many go into each bed.
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
40 ÷ 10 = ?
18 ÷ 2 = ?
3 ÷ 1 = ?
8 ÷ 4 = ?
121 ÷ 11 = ?
30 ÷ 5 = ?
20 ÷ 4 = ?
64 ÷ 8 = ?
7 ÷ 7 = ?
40 ÷ 4 = ?
77 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain gathers a bunch of daisies, then snips the stem with silver shears.
2.The villain steals a delicate orchid, then clears away the leaves with a brass rake.
3.The villain plucks a rare red rose, then scrapes the soil with a golden trowel.
4.The villain plucks a rare red rose, then splashes water from a glass watering can.
5.The villain steals a delicate orchid, then ties up the flower with a silk ribbon.
6.The villain digs up a glowing tulip, then splashes water from a glass watering can.
7.The villain plucks a rare red rose, then snips the stem with silver shears.
8.The villain digs up a glowing tulip, then clears away the leaves with a brass rake.
9.The villain digs up a glowing tulip, then scrapes the soil with a golden trowel.
10.The villain pockets a golden lily bulb, then clears away the leaves with a brass rake.
11.The villain digs up a glowing tulip, then ties up the flower with a silk ribbon.
12.The villain plucks a rare red rose, then clears away the leaves with a brass rake.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Rainbow Orchid
Culprit: Holly Woods (Rose · Brass Rake · Right-handed watering · Yellow Daisies · Hates heavy rain)
- Clue 1 (Addition): "THE VILLAIN DOES NOT USE A SILK RIBBON"1751 + 3908 = 5659 (T) · 1180 + 1633 = 2813 (D) · 5231 + 2902 = 8133 (E) · 3427 + 2525 = 5952 (B) · 3666 + 2954 = 6620 (R) · 3710 + 3728 = 7438 (H) · 3452 + 3293 = 6745 (O) · 2301 + 2200 = 4501 (L) · 3768 + 1931 = 5699 (S) · 5337 + 3487 = 8824 (U) · 1596 + 903 = 2499 (K) · 1902 + 2753 = 4655 (A) · 1777 + 2108 = 3885 (N) · 5114 + 3479 = 8593 (V) · 2518 + 3332 = 5850 (I)
- Clue 2 (Rounding): "THE DIRT WAS ONLY PACKED ON THE RIGHT SIDE"Round 111 to the nearest ten = 110 (T) · Round 174 to the nearest ten = 170 (N) · Round 1,722 to the nearest hundred = 1700 (P) · Round 2,864 to the nearest hundred = 2900 (K) · Round 131 to the nearest ten = 130 (H) · Round 318 to the nearest hundred = 300 (C) · Round 1,320 to the nearest hundred = 1300 (S) · Round 233 to the nearest ten = 230 (L) · Round 366 to the nearest ten = 370 (I) · Round 226 to the nearest hundred = 200 (A) · Round 4,845 to the nearest thousand = 5000 (O) · Round 3,703 to the nearest hundred = 3700 (W) · Round 871 to the nearest hundred = 900 (Y) · Round 28 to the nearest ten = 30 (G) · Round 1,121 to the nearest hundred = 1100 (D) · Round 8,674 to the nearest thousand = 9000 (E) · Round 290 to the nearest ten = 290 (R)
- Clue 3 (Subtraction): "THE SNEAKY THIEF RAN FROM THE HEAVY RAIN"7201 - 2622 = 4579 (T) · 5916 - 3269 = 2647 (M) · 6057 - 665 = 5392 (Y) · 9053 - 1135 = 7918 (E) · 9363 - 4953 = 4410 (A) · 10376 - 3395 = 6981 (F) · 10158 - 4778 = 5380 (H) · 9224 - 277 = 8947 (K) · 10392 - 3558 = 6834 (R) · 9950 - 2953 = 6997 (N) · 8804 - 3768 = 5036 (S) · 6556 - 4961 = 1595 (V) · 5101 - 1526 = 3575 (I) · 10556 - 2266 = 8290 (O)
- Clue 4 (Multiplication facts (1-12)): "A YELLOW DAISY PETAL WAS LEFT ON THE GROUND"6 × 7 = 42 (A) · 4 × 11 = 44 (I) · 7 × 4 = 28 (L) · 7 × 12 = 84 (D) · 11 × 7 = 77 (U) · 6 × 12 = 72 (W) · 7 × 7 = 49 (E) · 9 × 9 = 81 (S) · 12 × 12 = 144 (F) · 4 × 8 = 32 (H) · 1 × 4 = 4 (O) · 10 × 9 = 90 (R) · 5 × 5 = 25 (T) · 12 × 8 = 96 (N) · 6 × 9 = 54 (Y) · 8 × 11 = 88 (G) · 10 × 7 = 70 (P)
- Clue 5 (Division facts (1-12)): surviving statement (box 12) → Holly Woods40 ÷ 10 = 4 · 18 ÷ 2 = 9 · 3 ÷ 1 = 3 · 8 ÷ 4 = 2 · 121 ÷ 11 = 11 · 30 ÷ 5 = 6 · 20 ÷ 4 = 5 · 64 ÷ 8 = 8 · 7 ÷ 7 = 1 · 40 ÷ 4 = 10 · 77 ÷ 11 = 7
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Addition, Rounding, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Rainbow Orchid — set in The Whispering Greenhouse
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects