🔎 WinterGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
The Great Ice Sculpture Mystery
Someone froze the golden pinecone trophy at the Frosty Peak Ice Festival! Solve the math clues to find out which suspect did it.
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 | Ice Gear | Frost Charm | Mitten Habit | Beanie Color | Warm Treat |
|---|---|---|---|---|---|
| Eric Heiden | Glacier Boots | Crystal Whistle | Right Mitten First | White Beanie | Toasted Marshmallow |
| Apolo Ohno | Sled Jet | Frozen Compass | Right Mitten First | White Beanie | Toasted Marshmallow |
| Nancy Kerrigan | Snow Blower | Snowflake Badge | Left Mitten First | White Beanie | Hot Cocoa |
| Yukon Cornelius | Sled Jet | Polar Lantern | Right Mitten First | Red Beanie | Toasted Marshmallow |
| Mikaela Shiffrin | Sled Jet | Polar Lantern | Right Mitten First | White Beanie | Warm Pie |
| Tara Lipinski | Glacier Boots | Polar Lantern | Right Mitten First | Blue Beanie | Toasted Marshmallow |
| Chloe Kim | Glacier Boots | Polar Lantern | Right Mitten First | White Beanie | Toasted Marshmallow |
| Abominable Snowman | Frost Blaster | Polar Lantern | Right Mitten First | White Beanie | Toasted Marshmallow |
| Bonnie Blair | Frost Blaster | Polar Lantern | Right Mitten First | Red Beanie | Toasted Marshmallow |
| Jack Frost | Sled Jet | Frozen Compass | Left Mitten First | White Beanie | Warm Pie |
| Brian Boitano | Glacier Boots | Crystal Whistle | Right Mitten First | Blue Beanie | Toasted Marshmallow |
| Scott Hamilton | Frost Blaster | Frozen Compass | Left Mitten First | Red Beanie | Toasted Marshmallow |
| Kristoff Snow | Snow Blower | Crystal Whistle | Left Mitten First | Red Beanie | Toasted Marshmallow |
| Sasha Cohen | Ice Skates | Snowflake Badge | Left Mitten First | White Beanie | Toasted Marshmallow |
| Nathan Chen | Snow Blower | Icicle Key | Left Mitten First | White Beanie | Warm Pie |
| Elsa Ice | Ice Skates | Frozen Compass | Left Mitten First | Red Beanie | Warm Pie |
| Olaf Chill | Glacier Boots | Snowflake Badge | Right Mitten First | White Beanie | Toasted Marshmallow |
| Sven Tundra | Frost Blaster | Crystal Whistle | Left Mitten First | Blue Beanie | Warm Pie |
| Michelle Kwan | Frost Blaster | Polar Lantern | Right Mitten First | White Beanie | Hot Cocoa |
| Hermey Elf | Frost Blaster | Polar Lantern | Right Mitten First | White Beanie | Warm Pie |
| Bumble Snow | Frost Blaster | Snowflake Badge | Left Mitten First | White Beanie | Hot Cocoa |
Clue 1
Rounding
The digital lodge thermometer rounds snow depth to the nearest ten.
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
290
3700
30
5000
4300
200
200
110
4300
7000
90
9000
30
2300
7000
9000
T
290
3700
110
5000
30
110
430
1700
1100
2300
T
290
110
200
50
3700
4300
2300
T
290
200
30
Round 289 to the nearest tenT
Round 46 to the nearest tenW
Round 1,081 to the nearest hundredY
Round 30 to the nearest tenE
Round 2,282 to the nearest hundredS
Round 3,678 to the nearest hundredH
Round 8,639 to the nearest thousandO
Round 6,531 to the nearest thousandN
Round 4,275 to the nearest hundredI
Round 432 to the nearest tenC
Round 87 to the nearest tenD
Round 111 to the nearest tenA
Round 5,490 to the nearest thousandV
Round 1,675 to the nearest hundredR
Round 217 to the nearest hundredL
0/15 letters found
Clue 2
Addition
The detective added up all the lost mittens found near the snowbank.
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
7005
9190
9177
3027
5915
4675
4675
4675
7806
W
7005
9177
4489
5915
5529
9547
2103
9177
2674
3027
7767
9190
6305
4489
9177
5529
9190
9177
9177
5915
3027
4188
9190
7767
4675
9177
2337 + 4668 =W
1632 + 3043 =S
2316 + 3599 =E
4949 + 2818 =R
5361 + 4186 =P
3148 + 4658 =A
3250 + 5927 =T
1885 + 3644 =M
1098 + 1576 =O
2940 + 3365 =G
1270 + 833 =U
2580 + 1909 =H
3788 + 5402 =I
1848 + 1179 =N
2471 + 1717 =F
0/15 letters found
Clue 3
Subtraction
Comparing footprint counts showed how many steps the villain 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.
D
8945
6104
6170
6104
4995
6170
2802
2187
6104
4034
2748
7419
8556
D
8945
5878
6170
2748
5878
2422
6170
6104
D
8945
4215
5878
1794
2422
8082
4215
5878
2193
2193
2748
4454
8556
6104
5878
1794
1375
6506
11548 - 2603 =D
9337 - 4342 =C
9574 - 1492 =H
7090 - 584 =Y
2446 - 1071 =B
2626 - 832 =R
2725 - 538 =V
6593 - 423 =T
7763 - 1659 =E
7069 - 2615 =W
4273 - 58 =M
7583 - 3549 =F
6031 - 3229 =I
8799 - 243 =N
8250 - 831 =U
8501 - 2623 =A
2533 - 340 =L
4216 - 1468 =O
2768 - 346 =S
0/19 letters found
Clue 4
Multiplication facts (1-12)
The ice carver checked rows of ice blocks stacked in equal piles.
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
99
25
11
4
100
63
S
99
84
4
54
S
99
5
11
63
25
100
11
25
54
4
35
56
84
2
10
2
54
25
56
2
11 × 9 =S
5 × 1 =F
5 × 7 =H
1 × 10 =B
5 × 5 =N
7 × 12 =T
2 × 1 =E
7 × 8 =I
10 × 10 =D
1 × 11 =O
9 × 7 =U
9 × 6 =A
1 × 4 =W
0/13 letters found
Clue 5
Division facts (1-12) — the last clue
Sharing the warm cocoa cups equally gave the final clue.
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
72 ÷ 8 = ?
132 ÷ 12 = ?
18 ÷ 6 = ?
4 ÷ 2 = ?
88 ÷ 11 = ?
48 ÷ 12 = ?
100 ÷ 10 = ?
42 ÷ 7 = ?
24 ÷ 2 = ?
3 ÷ 3 = ?
25 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain stomped through snow in glacier boots, then checked a frozen compass.
2.The villain cleared path with a snow blower, then checked a frozen compass.
3.The villain stomped through snow in glacier boots, then flashed a snowflake badge.
4.The villain zipped past on ice skates, then flashed a snowflake badge.
5.The villain zipped past on ice skates, then blew a crystal whistle.
6.The villain cleared path with a snow blower, then blew a crystal whistle.
7.The villain stomped through snow in glacier boots, then lit the way with a polar lantern.
8.The villain cleared path with a snow blower, then lit the way with a polar lantern.
9.The villain blasted ice with a frost blaster, then lit the way with a polar lantern.
10.The villain zoomed away on a sled jet, then flashed a snowflake badge.
11.The villain zoomed away on a sled jet, then checked a frozen compass.
12.The villain zoomed away on a sled jet, then unlocked the gate with an icicle key.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Ice Sculpture Mystery
Culprit: Chloe Kim (Glacier Boots · Polar Lantern · Right Mitten First · White Beanie · Toasted Marshmallow)
- Clue 1 (Rounding): "THE VILLAIN DOES NOT HAVE A CRYSTAL WHISTLE"Round 289 to the nearest ten = 290 (T) · Round 46 to the nearest ten = 50 (W) · Round 1,081 to the nearest hundred = 1100 (Y) · Round 30 to the nearest ten = 30 (E) · Round 2,282 to the nearest hundred = 2300 (S) · Round 3,678 to the nearest hundred = 3700 (H) · Round 8,639 to the nearest thousand = 9000 (O) · Round 6,531 to the nearest thousand = 7000 (N) · Round 4,275 to the nearest hundred = 4300 (I) · Round 432 to the nearest ten = 430 (C) · Round 87 to the nearest ten = 90 (D) · Round 111 to the nearest ten = 110 (A) · Round 5,490 to the nearest thousand = 5000 (V) · Round 1,675 to the nearest hundred = 1700 (R) · Round 217 to the nearest hundred = 200 (L)
- Clue 2 (Addition): "WITNESS SAW THEM PUT ON RIGHT MITTEN FIRST"2337 + 4668 = 7005 (W) · 1632 + 3043 = 4675 (S) · 2316 + 3599 = 5915 (E) · 4949 + 2818 = 7767 (R) · 5361 + 4186 = 9547 (P) · 3148 + 4658 = 7806 (A) · 3250 + 5927 = 9177 (T) · 1885 + 3644 = 5529 (M) · 1098 + 1576 = 2674 (O) · 2940 + 3365 = 6305 (G) · 1270 + 833 = 2103 (U) · 2580 + 1909 = 4489 (H) · 3788 + 5402 = 9190 (I) · 1848 + 1179 = 3027 (N) · 2471 + 1717 = 4188 (F)
- Clue 3 (Subtraction): "DETECTIVE FOUND A TOASTED MARSHMALLOW NEARBY"11548 - 2603 = 8945 (D) · 9337 - 4342 = 4995 (C) · 9574 - 1492 = 8082 (H) · 7090 - 584 = 6506 (Y) · 2446 - 1071 = 1375 (B) · 2626 - 832 = 1794 (R) · 2725 - 538 = 2187 (V) · 6593 - 423 = 6170 (T) · 7763 - 1659 = 6104 (E) · 7069 - 2615 = 4454 (W) · 4273 - 58 = 4215 (M) · 7583 - 3549 = 4034 (F) · 6031 - 3229 = 2802 (I) · 8799 - 243 = 8556 (N) · 8250 - 831 = 7419 (U) · 8501 - 2623 = 5878 (A) · 2533 - 340 = 2193 (L) · 4216 - 1468 = 2748 (O) · 2768 - 346 = 2422 (S)
- Clue 4 (Multiplication facts (1-12)): "SNOW DUST WAS FOUND ON A WHITE BEANIE"11 × 9 = 99 (S) · 5 × 1 = 5 (F) · 5 × 7 = 35 (H) · 1 × 10 = 10 (B) · 5 × 5 = 25 (N) · 7 × 12 = 84 (T) · 2 × 1 = 2 (E) · 7 × 8 = 56 (I) · 10 × 10 = 100 (D) · 1 × 11 = 11 (O) · 9 × 7 = 63 (U) · 9 × 6 = 54 (A) · 1 × 4 = 4 (W)
- Clue 5 (Division facts (1-12)): surviving statement (box 7) → Chloe Kim72 ÷ 8 = 9 · 132 ÷ 12 = 11 · 18 ÷ 6 = 3 · 4 ÷ 2 = 2 · 88 ÷ 11 = 8 · 48 ÷ 12 = 4 · 100 ÷ 10 = 10 · 42 ÷ 7 = 6 · 24 ÷ 2 = 12 · 3 ÷ 3 = 1 · 25 ÷ 5 = 5
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Great Ice Sculpture Mystery — set in Frosty Peak Lodge
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects