🚀 SpaceGrade 2Reading: grades 1-2Place valueAdditionSubtractionSkip countingMissing addends
The Cosmic Canopy Caper
Oh no! A sneaky Space Bandit has snuck into Star City Base and taken the golden star map! We must use our math skills to trace the clues and find who did it before they fly out of the galaxy.
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 | space suit power | gear tool | tool hand | helmet glow | weakness |
|---|---|---|---|---|---|
| Neil Armstrong | jetpack | star grapple | right handed tool user | green glow | magnetic waves |
| Tim Peake | power glove | force shield | left handed tool user | blue glow | moon dust |
| Valentina Tereshkova | power glove | plasma wrench | right handed tool user | green glow | moon dust |
| Mae Jemison | jetpack | force shield | left handed tool user | blue glow | magnetic waves |
| Kalpana Chawla | sonar visor | plasma wrench | left handed tool user | green glow | moon dust |
| Yuri Gagarin | gravity belt | plasma wrench | right handed tool user | green glow | magnetic waves |
| Fred Haise | power glove | plasma wrench | left handed tool user | green glow | magnetic waves |
| Sunita Williams | laser boots | star grapple | right handed tool user | blue glow | moon dust |
| Gene Cernan | gravity belt | star grapple | left handed tool user | blue glow | moon dust |
| Pete Conrad | laser boots | freeze ray | left handed tool user | red glow | moon dust |
| Ellen Ochoa | sonar visor | plasma wrench | left handed tool user | green glow | magnetic waves |
| Michael Collins | jetpack | force shield | left handed tool user | green glow | magnetic waves |
| Bernard Harris | gravity belt | plasma wrench | left handed tool user | green glow | moon dust |
| Guy Bluford | sonar visor | force shield | right handed tool user | red glow | magnetic waves |
| John Glenn | sonar visor | force shield | right handed tool user | blue glow | magnetic waves |
| Alan Shepard | sonar visor | freeze ray | left handed tool user | red glow | magnetic waves |
| Scott Kelly | jetpack | cosmic net | left handed tool user | blue glow | moon dust |
| Jim Lovell | sonar visor | cosmic net | left handed tool user | green glow | magnetic waves |
| Buzz Aldrin | power glove | star grapple | left handed tool user | green glow | moon dust |
| Peggy Whitson | jetpack | plasma wrench | right handed tool user | green glow | moon dust |
| Sally Ride | power glove | freeze ray | left handed tool user | green glow | magnetic waves |
Clue 1
Place value
The computer screen is blinking with numbers. Read the tens and ones to unlock the secret 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
21
67
18
78
48
50
83
37
34
50
65
18
79
42
65
T
21
37
79
18
T
21
67
18
97
66
18
18
17
18
66
48
34
What number has 2 tens and 1 one?T
What number has 1 ten and 7 ones?Z
What number has 6 tens and 6 ones?R
What number has 8 tens and 3 ones?G
What number has 7 tens and 9 ones?S
What number has 4 tens and 8 ones?A
What number has 3 tens and 7 ones?U
What number has 6 tens and 5 ones?O
What number has 7 tens and 8 ones?B
What number has 4 tens and 2 ones?N
What number has 3 tens and 4 ones?Y
What number has 9 tens and 7 ones?F
What number has 6 tens and 7 ones?H
What number has 5 tens and 0 ones?D
What number has 1 ten and 8 ones?E
0/15 letters found
Clue 2
Addition
We found two packs of space fuel. Add the canisters together to see how much power we have.
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
62
64
43
90
21
43
60
61
98
T
62
64
66
43
42
86
90
43
25
T
62
64
43
66
83
55
43
42
T
62
64
60
21
25
31 + 31 =T
43 + 55 =Y
11 + 14 =D
35 + 26 =K
28 + 32 =A
28 + 38 =I
20 + 23 =E
24 + 18 =F
55 + 31 =U
34 + 30 =H
61 + 29 =S
8 + 13 =N
40 + 43 =R
24 + 31 =L
0/14 letters found
Clue 3
Subtraction
Some meteorites hit our solar panels. Subtract the broken ones to see what is left.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
M
68
28
77
71
65
22
20
52
85
28
24
65
81
12
40
36
52
58
65
57
22
45
65
12
28
57
12
28
71
57
20
22
98 - 30 =M
103 - 26 =G
48 - 12 =O
91 - 26 =E
68 - 23 =H
76 - 24 =C
83 - 12 =N
50 - 26 =V
60 - 2 =K
50 - 38 =B
31 - 9 =T
88 - 3 =W
43 - 23 =I
63 - 6 =D
120 - 39 =S
62 - 34 =A
60 - 20 =L
0/17 letters found
Clue 4
Skip counting
The glowing alien footprints go in groups. Count by fives to track where they lead.
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
36
8
40
80
130
42
65
130
40
24
24
120
130
6
100
9
9
A
36
21
21
16
100
65
65
24
70
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42A
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30E
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48H
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10L
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150G
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100I
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12B
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20P
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75T
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27S
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120O
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15W
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 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140N
0/15 letters found
Clue 5
Missing addends — the last clue
Our cargo bay needs ten moon rocks. Look at what we have and find out 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
4 + ___ = 13
7 + ___ = 10
3 + ___ = 10
8 + ___ = 20
8 + ___ = 9
5 + ___ = 10
1 + ___ = 5
1 + ___ = 3
4 + ___ = 10
2 + ___ = 12
3 + ___ = 11
Step 2 — cross out the sentence with each answer
1.The villain smashes a lock with a power glove, then blocks the alarm with a force shield.
2.The villain smashes a lock with a power glove, then bags the loot in a cosmic net.
3.The villain finds the way with a sonar visor, then opens a hatch with a plasma wrench.
4.The villain leaps high with laser boots, then chills the safe with a freeze ray.
5.The villain leaps high with laser boots, then zips to the roof with a star grapple.
6.The villain smashes a lock with a power glove, then zips to the roof with a star grapple.
7.The villain smashes a lock with a power glove, then opens a hatch with a plasma wrench.
8.The villain leaps high with laser boots, then bags the loot in a cosmic net.
9.The villain zooms off with a jetpack, then blocks the alarm with a force shield.
10.The villain smashes a lock with a power glove, then chills the safe with a freeze ray.
11.The villain finds the way with a sonar visor, then bags the loot in a cosmic net.
12.The villain leaps high with laser boots, then opens a hatch with a plasma wrench.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Cosmic Canopy Caper
Culprit: Jim Lovell (sonar visor · cosmic net · left handed tool user · green glow · magnetic waves)
- Clue 1 (Place value): "THE BAD GUY DOES NOT USE THE FREEZE RAY"What number has 2 tens and 1 one? = 21 (T) · What number has 1 ten and 7 ones? = 17 (Z) · What number has 6 tens and 6 ones? = 66 (R) · What number has 8 tens and 3 ones? = 83 (G) · What number has 7 tens and 9 ones? = 79 (S) · What number has 4 tens and 8 ones? = 48 (A) · What number has 3 tens and 7 ones? = 37 (U) · What number has 6 tens and 5 ones? = 65 (O) · What number has 7 tens and 8 ones? = 78 (B) · What number has 4 tens and 2 ones? = 42 (N) · What number has 3 tens and 4 ones? = 34 (Y) · What number has 9 tens and 7 ones? = 97 (F) · What number has 6 tens and 7 ones? = 67 (H) · What number has 5 tens and 0 ones? = 50 (D) · What number has 1 ten and 8 ones? = 18 (E)
- Clue 2 (Addition): "THE SNEAKY THIEF USED THEIR LEFT HAND"31 + 31 = 62 (T) · 43 + 55 = 98 (Y) · 11 + 14 = 25 (D) · 35 + 26 = 61 (K) · 28 + 32 = 60 (A) · 28 + 38 = 66 (I) · 20 + 23 = 43 (E) · 24 + 18 = 42 (F) · 55 + 31 = 86 (U) · 34 + 30 = 64 (H) · 61 + 29 = 90 (S) · 8 + 13 = 21 (N) · 40 + 43 = 83 (R) · 24 + 31 = 55 (L)
- Clue 3 (Subtraction): "MAGNETIC WAVES BLOCKED THE BAD BANDIT"98 - 30 = 68 (M) · 103 - 26 = 77 (G) · 48 - 12 = 36 (O) · 91 - 26 = 65 (E) · 68 - 23 = 45 (H) · 76 - 24 = 52 (C) · 83 - 12 = 71 (N) · 50 - 26 = 24 (V) · 60 - 2 = 58 (K) · 50 - 38 = 12 (B) · 31 - 9 = 22 (T) · 88 - 3 = 85 (W) · 43 - 23 = 20 (I) · 63 - 6 = 57 (D) · 120 - 39 = 81 (S) · 62 - 34 = 28 (A) · 60 - 20 = 40 (L)
- Clue 4 (Skip counting): "A BRIGHT GREEN GLOW WAS SPOTTED"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (A) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30 = 24 (E) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (H) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (G) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (B) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (P) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (T) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (S) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (O) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (W) · 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 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (N)
- Clue 5 (Missing addends): surviving statement (box 11) → Jim Lovell4 + ___ = 13 = 9 · 7 + ___ = 10 = 3 · 3 + ___ = 10 = 7 · 8 + ___ = 20 = 12 · 8 + ___ = 9 = 1 · 5 + ___ = 10 = 5 · 1 + ___ = 5 = 4 · 1 + ___ = 3 = 2 · 4 + ___ = 10 = 6 · 2 + ___ = 12 = 10 · 3 + ___ = 11 = 8
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 Cosmic Canopy Caper — set in Star City Base
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects