🔎 CapybarasGrade 2Reading: grades 3-4Place valueSubtractionAdditionSkip countingMissing addends
The Great Hot Spring Caper
Someone has stolen the Golden Melon Trophy from the annual Hot Spring Games! The capybaras are too relaxed to chase them, so it is up to you to crack the case and find the Spa Spoiler!
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 Spa Toy | Favorite Snack | Swim Style | Fur Pattern | Distraction |
|---|---|---|---|---|---|
| Peanut | Mini Surfboard | Sweet Grass Biscuits | Splashes with Right Paw | Spotted Belly Fur | Mud Bath Nap |
| Gidget | Yellow Rubber Duck | Sweet Potato Fries | Splashes with Right Paw | Solid Brown Fur | Warm Water Mist |
| Turbo | Squeaky Toy Boat | Fresh Bamboo Shoots | Splashes with Right Paw | Solid Brown Fur | Behind Ear Scratches |
| Coco | Yellow Rubber Duck | Juicy Orange Slices | Splashes with Left Paw | Spotted Belly Fur | Behind Ear Scratches |
| Mocha | Squeaky Toy Boat | Sweet Potato Fries | Splashes with Right Paw | Striped Back Fur | Behind Ear Scratches |
| Nugget | Squeaky Toy Boat | Sweet Grass Biscuits | Splashes with Right Paw | Striped Back Fur | Behind Ear Scratches |
| Splash | Floating Foam Noodle | Sweet Potato Fries | Splashes with Left Paw | Spotted Belly Fur | Behind Ear Scratches |
| Otis | Floating Foam Noodle | Sweet Potato Fries | Splashes with Right Paw | Solid Brown Fur | Mud Bath Nap |
| Penelope | Mini Surfboard | Juicy Orange Slices | Splashes with Right Paw | Spotted Belly Fur | Mud Bath Nap |
| Mochi | Squeaky Toy Boat | Fresh Bamboo Shoots | Splashes with Right Paw | Spotted Belly Fur | Mud Bath Nap |
| Pip | Mini Surfboard | Crunchy Water Lettuce | Splashes with Right Paw | Spotted Belly Fur | Behind Ear Scratches |
| Barnaby | Mini Surfboard | Sweet Potato Fries | Splashes with Left Paw | Spotted Belly Fur | Mud Bath Nap |
| Waffles | Squeaky Toy Boat | Fresh Bamboo Shoots | Splashes with Right Paw | Striped Back Fur | Behind Ear Scratches |
| Bubbles | Squeaky Toy Boat | Crunchy Water Lettuce | Splashes with Right Paw | Striped Back Fur | Mud Bath Nap |
| Barney | Floating Foam Noodle | Crunchy Water Lettuce | Splashes with Right Paw | Spotted Belly Fur | Mud Bath Nap |
| Bruno | Purple Splash Ball | Juicy Orange Slices | Splashes with Left Paw | Striped Back Fur | Warm Water Mist |
| Dudley | Purple Splash Ball | Crunchy Water Lettuce | Splashes with Right Paw | Spotted Belly Fur | Mud Bath Nap |
| Bella | Purple Splash Ball | Fresh Bamboo Shoots | Splashes with Right Paw | Striped Back Fur | Mud Bath Nap |
| Cleo | Mini Surfboard | Juicy Orange Slices | Splashes with Right Paw | Spotted Belly Fur | Behind Ear Scratches |
| Ziggy | Floating Foam Noodle | Sweet Grass Biscuits | Splashes with Left Paw | Spotted Belly Fur | Warm Water Mist |
| Cappy | Floating Foam Noodle | Sweet Grass Biscuits | Splashes with Left Paw | Striped Back Fur | Warm Water Mist |
Clue 1
Place value
The spa computer needs a secret code to show the first clue. The code has three tens and five ones. Use your place value blocks to find the mystery code!
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
34
99
79
32
65
18
72
45
79
15
95
18
79
32
29
18
T
34
79
41
T
34
18
15
41
29
76
79
32
45
72
16
79
32
What number has 3 tens and 4 ones?T
What number has 9 tens and 9 ones?H
What number has 9 tens and 5 ones?D
What number has 3 tens and 2 ones?S
What number has 7 tens and 9 ones?E
What number has 1 ten and 6 ones?C
What number has 7 tens and 2 ones?I
What number has 2 tens and 9 ones?N
What number has 4 tens and 1 one?A
What number has 6 tens and 5 ones?P
What number has 7 tens and 6 ones?G
What number has 1 ten and 8 ones?O
What number has 1 ten and 5 ones?R
What number has 4 tens and 5 ones?L
0/14 letters found
Clue 2
Subtraction
The thief took a bunch of sweet grass snacks from the kitchen. We had twenty snacks, but now some are missing. Subtract the leftover snacks to see how many the thief ate!
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
63
47
51
35
12
T
63
51
89
35
12
71
71
26
66
12
71
47
51
37
80
75
12
89
27
85
47
T
63
26
12
35
24
21
66
75
96 - 33 =T
51 - 16 =W
98 - 13 =G
67 - 16 =E
76 - 1 =Y
28 - 7 =N
60 - 36 =O
23 - 11 =A
105 - 25 =B
64 - 37 =I
89 - 18 =S
52 - 26 =P
70 - 4 =L
102 - 13 =R
77 - 40 =D
53 - 6 =H
0/16 letters found
Clue 3
Addition
To find the next clue, we must count all the rubber ducks in both pools. Let us add the ducks in the big pool to the ducks in the small pool.
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
96
86
89
24
50
89
29
29
79
27
29
89
89
44
77
33
79
21
79
26
81
81
98
35
53
79
T
96
86
41 + 55 =T
50 + 39 =E
11 + 16 =S
15 + 9 =Y
23 + 54 =I
67 + 31 =U
22 + 22 =P
16 + 37 =B
37 + 49 =H
47 + 32 =A
17 + 9 =R
16 + 13 =L
25 + 10 =D
48 + 33 =M
12 + 9 =W
9 + 24 =N
27 + 23 =F
0/17 letters found
Clue 4
Skip counting
The suspect ran past the muddy path. We see footprints spaced out in a pattern. Skip count by fives to follow the tracks and find 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.
S
50
15
12
16
16
130
70
55
10
45
6
140
S
50
18
130
55
16
12
14
16
27
130
S
50
15
140
65
130
14
24
27
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60S
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16O
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30C
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21P
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10W
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14U
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160A
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75B
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55R
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80D
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65F
0/16 letters found
Clue 5
Missing addends — the last clue
The juice bar needs ten oranges to make a super drink, but they only have seven. Find the missing number of oranges to complete the recipe and get 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
6 + ___ = 17
4 + ___ = 9
4 + ___ = 11
7 + ___ = 19
4 + ___ = 10
5 + ___ = 7
2 + ___ = 12
6 + ___ = 10
2 + ___ = 5
7 + ___ = 8
1 + ___ = 10
Step 2 — cross out the sentence with each answer
1.The villain swims quietly across the pool, then drops a half eaten snack.
2.The villain waddles behind the juice bar, then leaves a trail of wet footprints.
3.The villain slides down the muddy riverbank, then knocks over a stack of fluffy towels.
4.The villain slides down the muddy riverbank, then shakes warm water off their fur.
5.The villain waddles behind the juice bar, then drops a half eaten snack.
6.The villain rolls through the tall grass, then leaves a trail of wet footprints.
7.The villain slides down the muddy riverbank, then whistles a happy tune.
8.The villain rolls through the tall grass, then drops a half eaten snack.
9.The villain slides down the muddy riverbank, then leaves a trail of wet footprints.
10.The villain swims quietly across the pool, then leaves a trail of wet footprints.
11.The villain swims quietly across the pool, then knocks over a stack of fluffy towels.
12.The villain swims quietly across the pool, then shakes warm water off their fur.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Hot Spring Caper
Culprit: Barney (Floating Foam Noodle · Crunchy Water Lettuce · Splashes with Right Paw · Spotted Belly Fur · Mud Bath Nap)
- Clue 1 (Place value): "THE SPOILER DOES NOT EAT ORANGE SLICES"What number has 3 tens and 4 ones? = 34 (T) · What number has 9 tens and 9 ones? = 99 (H) · What number has 9 tens and 5 ones? = 95 (D) · What number has 3 tens and 2 ones? = 32 (S) · What number has 7 tens and 9 ones? = 79 (E) · What number has 1 ten and 6 ones? = 16 (C) · What number has 7 tens and 2 ones? = 72 (I) · What number has 2 tens and 9 ones? = 29 (N) · What number has 4 tens and 1 one? = 41 (A) · What number has 6 tens and 5 ones? = 65 (P) · What number has 7 tens and 6 ones? = 76 (G) · What number has 1 ten and 8 ones? = 18 (O) · What number has 1 ten and 5 ones? = 15 (R) · What number has 4 tens and 5 ones? = 45 (L)
- Clue 2 (Subtraction): "THE WATER WAS SPLASHED BY A RIGHT PAW ONLY"96 - 33 = 63 (T) · 51 - 16 = 35 (W) · 98 - 13 = 85 (G) · 67 - 16 = 51 (E) · 76 - 1 = 75 (Y) · 28 - 7 = 21 (N) · 60 - 36 = 24 (O) · 23 - 11 = 12 (A) · 105 - 25 = 80 (B) · 64 - 37 = 27 (I) · 89 - 18 = 71 (S) · 52 - 26 = 26 (P) · 70 - 4 = 66 (L) · 102 - 13 = 89 (R) · 77 - 40 = 37 (D) · 53 - 6 = 47 (H)
- Clue 3 (Addition): "THEY FELL ASLEEP IN A WARM MUD BATH"41 + 55 = 96 (T) · 50 + 39 = 89 (E) · 11 + 16 = 27 (S) · 15 + 9 = 24 (Y) · 23 + 54 = 77 (I) · 67 + 31 = 98 (U) · 22 + 22 = 44 (P) · 16 + 37 = 53 (B) · 37 + 49 = 86 (H) · 47 + 32 = 79 (A) · 17 + 9 = 26 (R) · 16 + 13 = 29 (L) · 25 + 10 = 35 (D) · 48 + 33 = 81 (M) · 12 + 9 = 21 (W) · 9 + 24 = 33 (N) · 27 + 23 = 50 (F)
- Clue 4 (Skip counting): "SPOTTED FUR WAS LEFT ON THE SPA BENCH"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (S) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (O) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (L) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30 = 24 (C) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (P) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (W) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (U) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (A) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (B) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (R) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (D) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (F)
- Clue 5 (Missing addends): surviving statement (box 8) → Barney6 + ___ = 17 = 11 · 4 + ___ = 9 = 5 · 4 + ___ = 11 = 7 · 7 + ___ = 19 = 12 · 4 + ___ = 10 = 6 · 5 + ___ = 7 = 2 · 2 + ___ = 12 = 10 · 6 + ___ = 10 = 4 · 2 + ___ = 5 = 3 · 7 + ___ = 8 = 1 · 1 + ___ = 10 = 9
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Subtraction, Addition, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Great Hot Spring Caper — set in Sunny Grasslands Hot Springs
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects