Grade 2Reading: grades 1-2Place valueAdditionSubtractionSkip countingMissing addends
The Lost Jungle Map
Oh no! Someone took the Golden Banana from the Jungle Treehouse. The Map Club needs your help. Let us find the explorer who took 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 | Adventure Gear | Trail Snack | Writing Hand | Cap Color | Jungle Fear |
|---|---|---|---|---|---|
| Tim | secret map | juice box | left-handed writer | red cap | fear of spiders |
| Pam | shiny compass | sweet apple | left-handed writer | blue cap | fear of frogs |
| Sam | shiny compass | fruit snacks | right-handed writer | red cap | fear of mud |
| Dan | mini binoculars | sweet apple | right-handed writer | green cap | fear of frogs |
| Roy | secret map | granola bar | right-handed writer | blue cap | fear of spiders |
| Mia | bright flashlight | juice box | right-handed writer | green cap | fear of spiders |
| Jax | shiny compass | juice box | right-handed writer | blue cap | fear of spiders |
| Amy | mini binoculars | granola bar | left-handed writer | blue cap | fear of mud |
| Eli | mini binoculars | salty crackers | left-handed writer | green cap | fear of spiders |
| Ben | bright flashlight | sweet apple | right-handed writer | green cap | fear of spiders |
| Ada | shiny compass | sweet apple | right-handed writer | green cap | fear of spiders |
| Kay | bright flashlight | juice box | right-handed writer | blue cap | fear of frogs |
| Ned | bright flashlight | sweet apple | right-handed writer | green cap | fear of mud |
| Joy | grappling hook | fruit snacks | right-handed writer | red cap | fear of spiders |
| Bob | shiny compass | fruit snacks | right-handed writer | green cap | fear of spiders |
| Tom | grappling hook | salty crackers | right-handed writer | green cap | fear of spiders |
| Ted | mini binoculars | juice box | right-handed writer | blue cap | fear of spiders |
| Eve | bright flashlight | salty crackers | right-handed writer | green cap | fear of mud |
| Max | mini binoculars | juice box | right-handed writer | red cap | fear of spiders |
| Ivy | bright flashlight | sweet apple | left-handed writer | blue cap | fear of frogs |
| Rex | shiny compass | granola bar | right-handed writer | blue cap | fear of mud |
Clue 1
Place value
We found a secret code on the wall. Let us look at the tens and ones blocks to read the number.
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
32
70
54
15
49
90
90
76
49
30
72
91
54
41
30
91
T
32
70
76
15
54
76
26
40
49
19
54
44
91
24
What number has 3 tens and 2 ones?T
What number has 2 tens and 6 ones?J
What number has 4 tens and 4 ones?B
What number has 5 tens and 4 ones?E
What number has 1 ten and 5 ones?V
What number has 3 tens and 0 ones?N
What number has 2 tens and 4 ones?X
What number has 4 tens and 9 ones?I
What number has 4 tens and 0 ones?U
What number has 9 tens and 1 one?O
What number has 4 tens and 1 one?S
What number has 9 tens and 0 ones?L
What number has 7 tens and 6 ones?A
What number has 7 tens and 2 ones?D
What number has 1 ten and 9 ones?C
What number has 7 tens and 0 ones?H
0/16 letters found
Clue 2
Addition
We need to count all the lost gear. We add the old gear and the new gear 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
25
49
41
74
83
22
22
81
83
93
98
78
83
T
25
41
75
98
83
T
25
49
T
25
49
41
78
83
36
49
T
25
49
81
93
54
9 + 16 =T
47 + 46 =N
15 + 21 =G
38 + 16 =D
41 + 42 =I
47 + 27 =V
22 + 27 =H
22 + 53 =S
33 + 48 =A
34 + 44 =R
16 + 6 =L
39 + 59 =W
26 + 15 =E
0/13 letters found
Clue 3
Subtraction
The explorer dropped some map pieces. We subtract the ones that got wet to find the rest.
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
35
59
58
57
38
54
54
74
38
42
38
20
20
66
74
84
58
78
83
79
20
22
38
78
58
84
20
46 - 11 =T
81 - 15 =C
86 - 32 =L
62 - 40 =P
97 - 18 =F
63 - 25 =I
51 - 9 =N
119 - 35 =R
58 - 38 =S
89 - 30 =H
85 - 7 =D
105 - 22 =O
66 - 8 =E
96 - 22 =A
63 - 6 =V
0/15 letters found
Clue 4
Skip counting
We follow the footprints down the trail. We skip count by fives to see how far they go.
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
36
6
16
140
35
20
15
8
33
18
6
6
20
25
8
80
110
20
24
130
6
15
110
18
24
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100P
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39G
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20F
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45U
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35C
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130I
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12A
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30T
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30N
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160O
0/15 letters found
Clue 5
Missing addends — the last clue
The lock needs seven keys to open. We have some keys but need to find how many more we need.
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
9 + ___ = 21
3 + ___ = 11
4 + ___ = 10
3 + ___ = 8
2 + ___ = 3
7 + ___ = 14
6 + ___ = 17
1 + ___ = 10
5 + ___ = 15
7 + ___ = 9
8 + ___ = 12
Step 2 — cross out the sentence with each answer
1.The villain checks the shiny compass, then shares a granola bar.
2.The villain looks through the mini binoculars, then chews on fruit snacks.
3.The villain checks the shiny compass, then chews on fruit snacks.
4.The villain shines the bright flashlight, then shares a granola bar.
5.The villain checks the shiny compass, then sips a juice box.
6.The villain shines the bright flashlight, then eats a sweet apple.
7.The villain looks through the mini binoculars, then munches on salty crackers.
8.The villain checks the shiny compass, then eats a sweet apple.
9.The villain looks through the mini binoculars, then shares a granola bar.
10.The villain shines the bright flashlight, then munches on salty crackers.
11.The villain uses the grappling hook, then sips a juice box.
12.The villain uses the grappling hook, then munches on salty crackers.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Lost Jungle Map
Culprit: Bob (shiny compass · fruit snacks · right-handed writer · green cap · fear of spiders)
- Clue 1 (Place value): "THE VILLAIN DOES NOT HAVE A JUICE BOX"What number has 3 tens and 2 ones? = 32 (T) · What number has 2 tens and 6 ones? = 26 (J) · What number has 4 tens and 4 ones? = 44 (B) · What number has 5 tens and 4 ones? = 54 (E) · What number has 1 ten and 5 ones? = 15 (V) · What number has 3 tens and 0 ones? = 30 (N) · What number has 2 tens and 4 ones? = 24 (X) · What number has 4 tens and 9 ones? = 49 (I) · What number has 4 tens and 0 ones? = 40 (U) · What number has 9 tens and 1 one? = 91 (O) · What number has 4 tens and 1 one? = 41 (S) · What number has 9 tens and 0 ones? = 90 (L) · What number has 7 tens and 6 ones? = 76 (A) · What number has 7 tens and 2 ones? = 72 (D) · What number has 1 ten and 9 ones? = 19 (C) · What number has 7 tens and 0 ones? = 70 (H)
- Clue 2 (Addition): "THE VILLAIN WRITES WITH THE RIGHT HAND"9 + 16 = 25 (T) · 47 + 46 = 93 (N) · 15 + 21 = 36 (G) · 38 + 16 = 54 (D) · 41 + 42 = 83 (I) · 47 + 27 = 74 (V) · 22 + 27 = 49 (H) · 22 + 53 = 75 (S) · 33 + 48 = 81 (A) · 34 + 44 = 78 (R) · 16 + 6 = 22 (L) · 39 + 59 = 98 (W) · 26 + 15 = 41 (E)
- Clue 3 (Subtraction): "THE VILLAIN IS SCARED OF SPIDERS"46 - 11 = 35 (T) · 81 - 15 = 66 (C) · 86 - 32 = 54 (L) · 62 - 40 = 22 (P) · 97 - 18 = 79 (F) · 63 - 25 = 38 (I) · 51 - 9 = 42 (N) · 119 - 35 = 84 (R) · 58 - 38 = 20 (S) · 89 - 30 = 59 (H) · 85 - 7 = 78 (D) · 105 - 22 = 83 (O) · 66 - 8 = 58 (E) · 96 - 22 = 74 (A) · 63 - 6 = 57 (V)
- Clue 4 (Skip counting): "WE FOUND A GREEN CAP IN THE DIRT"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (P) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (G) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (F) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (U) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (C) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (A) · Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25 = 15 (D) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22 = 18 (R) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30 = 24 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (N) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (O)
- Clue 5 (Missing addends): surviving statement (box 3) → Bob9 + ___ = 21 = 12 · 3 + ___ = 11 = 8 · 4 + ___ = 10 = 6 · 3 + ___ = 8 = 5 · 2 + ___ = 3 = 1 · 7 + ___ = 14 = 7 · 6 + ___ = 17 = 11 · 1 + ___ = 10 = 9 · 5 + ___ = 15 = 10 · 7 + ___ = 9 = 2 · 8 + ___ = 12 = 4
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 1-2
- Theme
- The Lost Jungle Map — set in Jungle Treehouse
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects